REFERENCE STANDARDS & IMPURITIES

Impurity Name CAS No Product Name
1,6 - Dibromohexane CAS 629-03-8 1,6 - Dibromohexane
(1S,4R)-4-[2-Amino-6-(Cyclopropylamino)
-9H-Purin-9-Yl]-2-Cyclopentene-1-Methanol		 CAS 136470-78-5 Abacavir
Avermectin B1; MK-936; Agri-Mek; Avid; Zephyr CAS 71751-41-2 Abamectin
(1R,4aR,4bR,10aR)-1, 2, 3, 4, 4a, 4b, 5, 6, 10, 10a-Decahydro-1,
4a-Dimethyl-7-(1-Methylethyl)-1-Phenanthrenecarboxylic Acid		 CAS 514-10-3 Abietic Acid
(3β)-17-(3-Pyridinyl)Androsta-5, 16-Dien-3-Ol
Acetate (Ester); CB 7630		 CAS 154229-18-2 Abiraterone Acetate
2-(4-Methoxyphenyl)-5,
7-Dihydroxy-4H-1-Benzopyran-4-One
4’-O-Methylapigenin;		 CAS 480-44-4 Acacetin
5-Aminoimidazole-4-Carboxamide-1-Β-D-Ribofuranoside CAS 2627-69-2 Acadesine
O-4,6-Dideoxy-4-[[(1S,4R,5S,6S)-4,5,6
-Trihydroxy-3-(Hydroxymethyl)-2-Cyclohexen-1-Yl]
Amino]-Α-D-Glucopyranosyl-(1→4)-O-Α-D
-Glucopyranosyl-(1→4)-D-Glucose		 CAS 56180-94-0 Acarbose
Ambroxol Theophylline-7-Acetic Acid CAS 179118-73-1 Acebrophylline
N-[3-Acetyl-4-[2-Hydroxy-3-[(1-Methylethyl)Amino]
Propoxy]Phenyl]Butanamide Hydrochloride		 CAS 34381-68-5 Acebutolol Hydrochloride
Aceclofenac Impurity F (EP) CAS 100499-89-6 Aceclofenac
Aceclofenac (WS); 2-[(2,6-Dichlorophenyl)-Amino]
Benzeneacetic Acid Carboxymethyl Ester		 CAS 89796-99-6
4-(Acetylamino)Benzoic Acid; 4-Acetamidobenzoic Acid CAS 556-08-1 Acedoben
Theophylline-7-Acetic Acid;
1, 2, 3, 6-Tetrahydro-1, 3-Dimethyl
-2, 6-Dioxo-7H-Purine-7-Acetic Acid		 CAS 652-37-9 Acephylline
Ethanimidamide Hydrochloride CAS 124-42-5 Acetamidine Hydrochloride
N-(4-Hydroxyphenyl)Acetamide CAS 103-90-2 Acetaminophen
N-[5-Aminosulfonyl)-1, 3, 4-Thiadiazol-2-Yl]Acetamide CAS 59-66-5 Acetazolamide
N-Hydroxyacetamide; Ethanehydroxamic Acid; AHA
Acetic Acid Oxime; Acetohydroximic Acid
Acetylhydroxamic Acid		 CAS 546-88-3 Acetohydroxamic Acid
N-Acetyl-L-Cysteine; ACC; Acetadote CAS 616-91-1 Acetylcysteine
2-Acetoxybenzoic Acid; 2-(Acetyloxy)Benzoic Acid
Acylpyrin; Angettes; Aspro; Aspirin; ASA		 CAS 50-78-2 Acetylsalicylic acid
10-Azaanthracene; 2,3-Benzoquinoline CAS 260-94-6 Acridine
2-Amino-1,
9-Dihydro-9-[(2-Hydroxyethoxy)Methyl]-6H-Purin-6-One		 CAS 59277-89-3 Acyclovir
Tricyclo[3.3.1.1(3,7)]Decan-1-Amine;
1-Adamantanamine; Adamantamine; Adamantanamine;
Adamantylamine		 CAS 768-94-5 Adamantamine
6-(4-Methoxy-3-Tricyclo[3.3.1.13,7]Dec-1-Ylphenyl)-
2-Naphthalenecarboxylic Acid		 CAS 106685-40-9 Adapalene
P’-[[2-(6-Amino-9H-Purin-9-Yl)Ethoxy]Methyl]
Isohypophosphoric Acid Triethylamine Salt		 - Adefovir Phosphate Triethylamine
9-Β-D-Ribofuranosyl-9H-Purin-6-Amine CAS 58-61-7 Adenosine
(6S,7S)-7-[(Hydroxyamino)Carbonyl]-6-
[(4-Phenyl-1-Piperazinyl)Carbonyl]-5-Azaspiro[2.5]
Octane-5-Carboxylic Acid Methyl Ester; INCB 007839		 CAS 791828-58-5 Aderbasib
Α-Phenylbenzeneacetic Acid 2-(Diethylamino)Ethyl Ester
Hydrochloride		 CAS 50-42-0 Adiphenine Hydrochloride
(−)-Epinephrine (+)-Bitartrate Salt;
L-3,4-Dihydroxy-Α-(Methylaminomethyl)Benzyl
Alcohol D-Hydrogen Bitartrate Salt		 CAS 51-42-3 Adrenaline Tartrate
Escin; Aescin; Chestnuts Extract CAS 11072-93-8 Aescin
Aflatoxin B1; (6aR,9aS)-2,3,6a,9a-Tetrahydro-
4-Methoxy-1H,11H-Cyclopenta[C]Furo[3’,2’:4,5]
Furo[2,3-H][1]Benzopyran-1,11-Dione		 CAS 1162-65-8 Aflatoxin
6-Amino-2-(Fluoromethyl)-3-(2-Methylphenyl)-
Quinazolin-4-One		 CAS 56287-74-2 Afloqualone
N-[2-(7-Methoxy-1-Naphthalenyl)Ethyl]Acetamide;
N-[2-(7-Methoxy-1-Naphthyl) Ethyl]Acetamide;
S 20098; Valdoxan		 CAS 138112-76-2 Agomelatine
DL-Alanine; (R,S)-Alanine; CAS 302-72-7 Alanine
N-[6-(Propylthio)-1H-Benzimidazol-2-Yl]Carbamic
Acid Methyl Ester; [5-(Propylthio)-1H-Benzimidazol-2-Yl]
Carbamic Acid Methyl Ester; Albenza; Andazol		 CAS 54965-21-8 Albendazole
Salbutamol Sulphate; Α1-[[(1,1-Dimethylethyl)
Amino]Methyl] -4-Hydroxy-1,3-Benzenedimethanol
Sulfate; Aerolin;		 CAS 51022-70-9 Albuterol Sulfate
6,11-Dihydro-11-(1-Methyl-4-Piperidinylidene)-
5H-Imidazo[2,1-B][3]Benzazepine-3-Carboxaldehyde;
R 89674		 CAS 147084-10-4 Alcaftadine
(11β)-11,21-Dihydroxy-3,20-Dioxopregn-4-En-18-Al CAS 52-39-1 Aldosterone
N-[3-[(4-Amino-6,7-Dimethoxy-2-Quinazolynyl)
Methylamino]Propyl]Tetrahydro-2-Furancarboxamide		 CAS 81403-68-1 Alfuzosin Hydrochloride
5,5-Diallybarbituric Acid; 5,5-Di-2-Propenyl-2,4,6
(1H,3H,5H)Pyrimidinetrione; Allobarbitone		 CAS 52-43-7 Allobarbital
1,5-Dihydro-4H-Pyrazolo[3,4-D]Pyrimidin-4-One;
1H-Pyrazolo(3,4-D)Pyrimidin-4-Ol;
4-Hydroxypyrazolo(3,4-D)Pyrimidine;
4-Hydroxypyrazolo[3,4-D]Pyrimidine; HPP		 CAS 315-30-0 Allopurinol
8-Chloro-1-Methyl-6-Phenyl-4H-[1,2,4]
Triazolo[4,3-A][1,4]Benzodiazepine;
8-Chloro-1-Methyl-6-Phenyl-4H-S-Triazolo[4,3-A][1,4]
Benzodiazepine; Tensivan; Trankimazin; Tranquinal;
Tricalma; U 31889; Valeans; Xanagis; Xanax; Xanax
TS; Xanolam; Xanor; Zolam; Zo		 CAS 28981-97-7 Alprazolam
N-Ethyl-N-(3-Phenylpropyl)Benzenepropanamine
2-Hydroxy-1,2,3-Propanetricarboxylate		 CAS 5560-59-8 Alverine Citrate
Tricyclo[3.3.1.13,7]Decan-1-Amine Hydrochloride CAS 665-66-7 Amantadine Hydrochloride
4-[[(2-Amino-3,5-Dibromophenyl)Methyl]Amino]
Cycophexanol Hydrochloride		 CAS 23828-92-4 Ambroxol Hydrochloride
N-Amidino-3,5-Diamino-6-Chloropyrazinecarboxamide
Hydrochloride Dihydrate		 CAS 17440-83-4 Amiloride Hydrochloride
Dihydrate
(2-Butyl-3-Benzofuranyl)[4-[2-(Diethylamino)Ethoxy]
-3,5-Diiodophenyl]Methanone Hydrochloride		 CAS 19774-82-4 Amiodarone Hydrochloride
4-Amino-N-[(1-Ethyl-2-Pyrrolidinyl)Methyl]-5-
(Ethylsulfonyl)-2-Methoxybenzamide; Aminosultopride;
DAN-2163; Socian; Solian; Sulamid		 CAS 71675-85-9 Amisulpride
N’-(2,4-Dimethylphenyl)-N-[[(2,4-Dimethylphenyl)Imino]
Methyl]-N-Methyl-Methanimidamide		 CAS 33089-61-1 Amitraz
3-(10,11-Dihydro-5H-Dibenzo[A,D]Cyclohepten-5-Ylidene)
-N,N-Dimethyl-1-Propanamine Hydrochloride		 CAS 549-18-8 Amitriptyline Hydrochloride
Amlodipine EP Impurity I,
Amlodipine Besilate
-2-[(2-Aminoethoxy)Methyl]-4-(2-Chlorophenyl)-1,4
-Dihydro-6-Methyl-3,5-Pyridinedicarboxylic Acid
3-Ethyl 5-Methyl Ester Benzenesulfonate		 CAS 111470-99-6 Amlodipine
Amlodipine Impurity D (EP) CAS 113994-41-5
2-[(2-Aminoethoxy)Methyl]-4-(2-Chlorophenyl)-3-
Ethoxycarbonyl-5-Methoxycarbonyl)-6-Methyl-1,4
-Dihydropyridine		 CAS 88150-42-9
Amlodipine EP Impurity G CAS 43067-01-2
Amlodipine Maleate
- Diethyl 2-((2-Aminoethoxy)Methyl)-4-
(2-Chlorophenyl) -6-Methyl-1,4-Dihydropyridine-3,
5-Dicarboxylate Maleate		 CAS 1357024-06-6
Amlodipine Mesilate CAS 246852-12-0
4-[(7-Chloro-4-Quinolinyl)Amino]-2-[(Diethylamino)Methyl]
Phenol Dihydrochloride		 CAS 6398-98-7 Amodiaquine Dihydrochloride
Dihydrate
5-Amino-2-[2-(Dimethylamino)Ethyl]-1H-Benz[De]
Isoquinoline-1,3(2H)-Dione		 CAS 69408-81-7 Amonafide
Amoxicillin
(2S,5R,6R)-6-[[(2R)-2-Amino-2-(4-Hydroxyphenyl)Acetyl]
Amino]-3,3-Dimethyl-7-Oxo-4-Thia-1-Azabicyclo[3.2.0]
Heptane-2-Carboxylic Acid;		 CAS 61336-70-7 Amoxicillin Trihydrate
Ampicillin Sodium
- D-(-)-6-(2-Amino-2-Phenylacetamido)-3,3-Dimethyl
-7-Oxo-4-Thia-1-Azabicyclo[3.2.0]Heptane-2-Carboxylic
Acid Monosodium Salt; Binotal Sodium; Britapen Injection;
Cilleral; D-Α-Aminobenzylpenicillin Sodium Salt;
Ampicillin Sodium Salt; Ampicillin-Na; Ampicin		 CAS 69-52-3 Ampicillin
Ampicillin Trihydrate - D-(−)-Α-Aminobenzylpenicillin CAS 7177-48-2
Anastrozole Impurity E CAS 1027160-12-8 Anastrozole
Anastrozole Impurity CAS 120511-73-1
Anastrozole Impurity D CAS 120511-84-4
Anastrozole Impurity B CAS 1215780-15-6
Anastrozole Impurity C CAS 1216898-82-6
(5α,17β)-17-Hydroxyandrostan-3-One;
Dihydrotestosterone; 5α-Dihydrotestosterone; Stanolone		 CAS 521-18-6 Androstanolone
3α-Hydroxy-5α-Androstan-17-One,
5α-Androstan-3α-Ol-17-One		 CAS 53-41-8 Androsterone
1-[(4R,5R)-4,5-Dihydroxy-N2-[[4"-(Pentyloxy)
[1,1':4',1"-Terphenyl]-4-Yl]Carbonyl]-L-Ornithine]
Echinocandin B; Ecalta; Eraxis; LY 303366		 CAS 166663-25-8 Anidulafungin
Antazoline Hydrochloride - 4,5-Dihydro-N-Phenyl-N-
(Phenylmethyl)-1H-Imidazole-2-Methanamine
Hydrochloride 4,5-Dihydro-N-Phenyl-N-(Phenylmethyl)
-1H-Imidazole-2-Methanamine Monohydrochloride		 CAS 2508-72-7 Antazoline
Antazoline Phosphate - Antistine Phosphate;
2-[(N-Benzylanilino)Methyl]-2-Imidazoline Phosphate;		 CAS 154-68-7
5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4H-1-
Benzopyran-4-One; 4’,5,7-Trihydroxyflavone;
Pelargidenon 1449		 CAS 520-36-5 Apigenin
(6aR)-5,6,6a,7-Tetrahydro-6-Methyl-4H-Dibenzo[De,G]
Quinoline-10,11-Diol Hydrochloride Hemihydrate		 CAS 41372-20-7 Apomorphine Hydrochloride Hemihydrate
N1-(2,3-Dihydro-1H-Inden-2-Yl)-N3,N3-Diethyl-N1-
Phenyl-1,3-Propanediamine Hydrochloride		 CAS 33237-74-0 Aprindine Hydrochloride
(5Z,8Z,11Z,14Z)-5,8,11,14-Eicosatetraenoic Acid CAS 506-32-1 Arachidonic Acid
1,2,5,6-Tetrahydro-1-Methyl-3-Pyridinecarboxylic
Acid Methyl Ester Hydrobromide		 CAS 300-08-3 Arecoline Hydrobromide
(2R,4R)1-[(2S)2-Amino-5-[[Imino(Nitroamino)Methyl]
Amino]-1-Oxopentyl]-4-Methyl-2-Piperidinecarboxylic
Acid Ethyl Ester Hydrochloride; Argatroban Intermediate		 CAS 74874-08-1 Argatroban
Arginine - L-Arginine; Arginine; Argivene; Detoxargin
L-(+)-Arginine		 CAS 74-79-3 Arginine
Arginine Hydrochloride - L-Arginine Hydrochloride;
L-Arginine Monohydrochloride		 CAS 1119-34-2
Argirelin Acetate(Acetyl Hexapeptide-3) CAS 616204-22-9 Argireline Acetate
Aripiprazole Impurity D CAS 882880-12-8 Aripiprazole
Aripiprazole Impurity E CAS 120004-79-7
Aripiprazole - 7-[4-[4-(2,3-Dichlorophenyl)-1-Piperazinyl]
Butoxy]-3,4-Dihydro-2(1H)-Quinolinone		 CAS 129722-12-9
8-Methoxybenzo[F]-1,3-Benzodioxolo[6,5,4-Cd]Indol-
5(6H)-One; Aristolactam		 CAS 13395-02-3 Aristolactam
Butanedioic Acid
Mono(3R,5aS,6R,8aS,9R,10R,12R,12aR)-Decahydro-3,6
,9-Trimethyl-3,12-Epoxy-12H-Pyrano[4,3-J]-1,2-
Benzodioxepin-10-Yl] Ester; Artesunic Acid		 CAS 88495-63-0 Artesunate
Carticaine Hydrochloride; 4-Methyl-3-[2-(Propylamino)
Propionamido]-2-Thiophenecarboxylic Acid Methyl
Ester Hydrochloride		 CAS 23964-57-0 Articaine Hydrochloride
Changchuanmycin; Immunomycin; FK 520; FR 520;
FR 900520; L 683590		 CAS 104987-12-4 Ascomycin
L-Ascorbic Acid; (+)-Ascorbic Acid; 100M;
L-Threo-Ascorbic Acid		 CAS 50-81-7 Ascorbic Acid
Asenapine N-oxide Impurity CAS 128949-51-9 Asenapine
(3aR,12bR)-Rel-5-Chloro-2,3,3a,12b-Tetrahydro-2-
Methyl-1H-Dibenz[2,3:6,7]Oxepino[4,5-C]Pyrrole		 CAS 65576-45-6
L-Α-Aspartyl-L-Phenylalanine 2-Methyl Ester; Canderel CAS 22839-47-0 Aspartame
(S)-(+)-Aminosuccinic Acid; (S)-Aminobutanedioic Acid;
L-Aspartic Acid		 CAS 56-84-8 Aspartic acid
Aspirin Impurity - A,D,F,C CAS99-96-7 Aspirin
Aspirin Impurity A (EP) CAS 99-96-7
1-[(4-Fluorophenyl)Methyl]-N-[1-[2-(4-Methoxyphenyl)
Ethyl]-4-Piperidinyl]-1H-Benzimidazol-2-Amine		 CAS68844-77-9 Astemizole
Atenolol Impurity C CAS 29122-69-8 Atenolol
Atenolol Impurity - H,F CAS 87619-83-8
4-[2-Hydroxy-3-[(1-Methylethyl)Amino]Propoxyl]
Benzeneacetamide;		 CAS 29122-68-7
Atorvastatin methyl ester CAS 345891-62-5 Atorvastatin
Atorvastatin ethyl ester CAS 1146977-93-6
Atorvastatin Impurity H (EP) CAS 125995-03-1
Atorvastatin Lactone CAS 125995-03-1
Atorvastatin Acid -
(3R,5R)-2-(4-Fluorophenyl)-3,5-Dihydroxy-5-
(1-Methylethyl)-3-Phenyl-4-[(Phenylamino)Carbonyl]
-1H-Pyrrole-1-Heptanoic Acid		 CAS 134523-00-5
Atovaquone methyl ether CAS 129700-41-0 Atovaquone methyl ether
2,2’-[1,5-Pentanediylbis[Oxy(3-Oxo-3,1-Propanediyl)]]
Bis[1-[(3,4-Dimethoxyphenyl)Methyl]-1,2,3,4-Tetrahydro-
6,7-Dimethoxy-2-Methyl-Isoquinolinium Benzenesulfonate		 CAS 64228-81-5 Atracurium Besylate
(RS)-(8-Methyl-8-Azabicyclo[3.2.1]Oct-3-Yl)
3-Hydroxy-2-Phenylpropanoate		 CAS 51-55-8 Atropine
1-[4-(1,1-Dimethylethyl)Phenyl]-3-(4-Methoxyphenyl)-
1,3-Propanedione		 CAS 70356-09-1 Avobenzone
Nonanedioic Acid; Azelate; Nonanedioate CAS 123-99-9 Azelaic Acid
Azelastine Impurity-B CAS 110406-94-5 Azelastine
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,
4,10-Trihydroxy-3,5,6,8,10,12,14-Heptamethyl-15-Oxo-11-
{[3,4,6-Trideoxy-3-(Dimethylamino)-Β-D-Xylo-
Hexopyranosyl]Oxy}-1-Oxa-6-Azacyclopentadec-13-Yl
2,6-Dideoxy-3-C-Methyl-3-O-Methyl-Α-L-Ribo
-Hexopyranoside		 CAS 83905-01-5 Azithromycin
[2S-[2α,3β(Z)]]-2-[[(Z)-[1-(2-Amino-4-Thiazolyl)-2-
[[(2S,3S)-2-Methyl-4-Oxo-1-Sulfo-3-Azetidinyl]Amino]-
2-Oxoethylidene]Amino]Oxy]-2-Methylpropanoic Acid		 CAS 78110-38-0 Aztreonam
(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis
(Acetyloxy)-12-(Benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12
,12a,12b-Dodecahydro-4,9,11-Trihydroxy-4a,8,13,13
-Tetramethyl-7,11-Methano-5H-Cyclodeca[3,4]Benz
[1,2-B]Oxet-5-One		 CAS 27548-93-2 Baccatin III
5-[(1E)-2-[4-[[(2-Carboxyethyl)Amino]Carbonyl]Phenyl]
Diazenyl]-2-Hydroxybenzoic Acid		 CAS 80573-04-2 Balsalazide
Balsalazide Disodium - 5-[(1E)-[4-[[(2-Carboxyethyl)
Amino]Carbonyl]Phenyl]Azo]-2-HydroxyBenzoic Acid,
-, Disodium Salt, Dihydrate (9CI)		 CAS 150399-21-6
1,2-Bis(2-Aminophenoxy)Ethane-N,N,N’,N’-Tetraacetic Acid;
N,N'-[1,2-Ethanediylbis(Oxy-2,1-Phenylene)]
Bis[N-(Carboxymethyl)Glycine; BAPTA;		 CAS 85233-19-8 BAPTA
9α-Chloro-16β-Methylprednisolone 17,21-Dipropionate;
Aerobec; Aldecin; Beclometasone Dipropionate		 CAS 5534-09-8 Beclomethasone Dipropionate
(3S)-3-[[(1S)-1-(Ethoxycarbonyl)-3-Phenylpropyl]Amino]-
2,3,4,5-Tetrahydro-2-Oxo-1H-1-Benzazepine-1-Acetic
Acid Hydrochloride; Lotensin		 CAS 86541-74-4 Benazepril Hydrochloride
5-[Bis(2-Chloroethyl)-Amino]-1-Methyl-1H-Benzimidazole-2
-Butanoic Acid Hydrochloride; Cytostasan; Ribomustin;
Treanda		 CAS 3543-75-7 Bendamustine Hydrochloride
1-[1-[4-(4-Fluorophenyl)-4-Oxobutyl]-4-Piperidinyl]-1,3-
Dihydro-2H-Benzimidazol-2-One; 1-[1-[3-(P-Fluorobenzoyl)
Propyl]-4-Piperidyl]-2-Benzimidazolinone		 CAS 2062-84-2 Benperidol
6-Hydroxy bentazone CAS 60374-42-7 Bentazone
Alkyldimethylbenzylammonium Chloride; Arquad CB 30;
BTC; BTC 2565; BTC 471; Benzalkon A;
Benzalkonium Chloride; Biowash; Cedium; Culversan LC 80;
Dimanin A; Erional EL; Genamin KDS; Kemamine BAC;
Konrapo; Leda Benzalkonium Chloride; Magna M 407		 CAS 8001-54-5 Benzalkonium Chloride
Rac Xanthoanthrafil; N-[(3,4-Dimethoxyphenyl)Methyl]-2-
[(2-Hydroxy-1-Methylethyl)Amino]-5-Nitro-Benzamide		 CAS 1020251-53-9 Benzamidenafil
(3,5-Dibromo-4-Hydroxyphenyl)(2-Ethyl-3-Benzofuranyl)Methanone;
3,5-Dibromo-4-Hydroxyphenyl 2-Ethyl-3-Benzofuranyl Ketone		 CAS 3562-84-3 Benzbromarone
Benzene Sulphonic Acid; Benzenesulphonic Acid;
Phenylsulfonic Acid; Phenylsuphonic Acid		 CAS 98-11-3 Benzenesulfonic Acid
Α-Phenyl-Benzenemethanamine;
1-Amino-1-(Phenylmethyl)Benzene		 CAS 91-00-9 Benzhydrylamine
1,3-Benzodiazole; BZI; 1H-Benzoimidazole CAS 51-17-2 Benzimidazole
4-Aminobenzoic Acid Ethyl Ester; P-Aminobenzoic Acid
Ethyl Ester; Ethyl 4-Aminobenzoate; Anaesthan-Syngala		 CAS 94-09-7 Benzocaine
Benzotropine Mesylate; Cogentin; Cogentinol; Benztropine
Methanesulfonate		 CAS 132-17-2 Benztropine Mesylate
N,N-Dimethyl-3-[[1-(Phenylmethyl)-1H-Indazol-3-Yl]Oxy]
-1-Propanamine Hydrochloride		 CAS 132-69-4 Benzydamine Hydrochloride
Benzyl Alcohol -Α-Toluenol; (Hydroxymethyl)Benzene;
Benzenecarbinol		 CAS 100-51-6 Benzyl
Benzyl Benzoate - Benzyl Ester Benzoic Acid; Ascabin;
Ascabiol; Benylate; Benzyl Benzenecarboxylate; Scobenol;
Vanzoate; Venzonate		 CAS 120-51-4
Benzyl Chloride - 6-(Chloromethyl)Benzene;
Α-Chlorotoluene		 CAS 100-44-7
Benzyl Nicotinate - Nicotinic Acid Benzyl Ester CAS 94-44-0
Benzathine Benzylpenicillin; CAS 1538-09-6
Benzyl Penicillinate Potassium Salt;
(2S,5R,6R)-3,3-Dimethyl-7-Oxo-6-[(2-Phenylacetyl)
Amino]-4-Thia-1-Azabicyclo[3.2.0]Heptane-2-Carboxylic
Acid Potassium Salt; Potassium Benzylpenicillin;
Potassium Benzylpenicillinate		 CAS 113-98-4
Procaine Benzylpenicillin;
(2S,5R,6R)-3,3-Dimethyl-7-Oxo-6-[(Phenylacetyl)Amino]
-4-Thia-1-Azabicyclo[3.2.0]Heptane-2-Carboxylic
Acid Compd. With 2-(Diethylamino)Ethyl
4-Aminobenzoate Hydrate		 CAS 6130-64-9
4-[(S)-(4-Chlorophenyl)-2-Pyridinylmethoxy]-1-
Piperidinebutanoic Acid Benzenesulfonate; Bepreve;
TAU 284; Talion;		 CAS 190786-44-8 Bepotastine Besylate
Dl-4-[(1R,2R,3aS,8bS)-2,3,3a,8b-Tetrahydro-2-Hydroxy-
[(3S,4RS)-3-Hydroxy-4-Methyl-Oct-6-Yne-(E)-1-Enyl]-
5-Cyclopenta[B]Benzofuranyl]Butanoic Acid Sodium		 CAS 88475-69-8 Beraprost Sodium
4-[[(2E)-3,7-Dimethyl-2,6-Octadien-1-Yl]Oxy]-7H-Furo
[3,2-G][1]Benzopyran-7-One		 CAS 7380-40-7 Bergamottin
N-Methyl-2-Pyridineethanamine Dihydrochloride;
Sinmenier; Vasomotal		 CAS 5579-84-0 Betahistine Dihydrochloride
N-(Methyl-D3)-2-Pyridineethanamine Hydrochloride CAS 15430-48-5 Betahistine Hydrochloride
1-Carboxy-N,N,N-Trimethyl-Methanaminium Inner Salt;
(Carboxymethyl)Trimethylammonium Hydroxide Inner Salt;
(Trimethylammonio)Acetate; Abromine; Aminocoat;
Aquadew AN 100; Betafin; Betafin BCR; Betafin BP;
Betafin BP 20; Cystadane		 CAS 107-43-7 Betaine
Betamethasone - (11β,16β)-9-Fluoro-11,17,
21-Trihydroxy-16-Methylpregna-1, 4-Diene-3,20-Dione		 CAS 378-44-9 Betamethasone
Betamethasone Acetate - Betamethasone 21-Acetate;
(11β,16β)-21-(Acetyloxy)-9-Fluoro-11,17-Dihydroxy-16-
Methylpregna-1,4-Diene-3,20-Dione		 CAS 987-24-6
Betamethasone Dipropionate - (11β,16β)-9-Fluoro-11-
Hydroxy-16-Methyl-17,21-Bis(1-Oxopropoxy)-Pregna-1,
4-Diene-3,20-Dione;		 CAS 5593-20-4
Betamethasone Sodium Phosphate - Betamethasone
21-Phosphate Disodium Salt; (11β,16β)-9-Fluoro-11,
17-Dihydroxy-16-Methyl-21-(Phosphonooxy)Pregna-1,4-
Diene-3,20-Dione Sodium Salt		 CAS 151-73-5
1-[4-[2-(Cyclopropylmethoxy)Ethyl]Phenoxy]-3-
[(1-Methylethyl)Amino]-2-Propanol Hydrochloride		 CAS 63659-19-8 Betaxolol Hydrochloride
2-[4-[2-[(4-Chlorobenzoyl)Amino]Ethyl]Phenoxyl]-2-
Methylpropanoic Acid; BM-15075		 CAS 41859-67-0 Bezafibrate
Biapenem Impurity CAS 120410-24-4 Biapenem
N-[4-Cyano-3-Trifluoromethyl)Phenyl]-3-
[(4-Fluorophenyl)Sulfonyl]-2-Hydroxy-2-Methylpropanamide		 CAS 90357-06-5 Bicalutamide
4-Amino-5-Bromo-N-[2-(Diethylamino)Ethyl]-2-
Methoxybenzamide		 CAS 4093-35-0 Bromopride
Γ-(4-Bromophenyl)-N,N-Dimethyl-2-
Pyridinepropanamine Maleate;
2-[P-Βromo-Α-[2-(Dimethylamino)Ethyl]Benzyl]Pyridine
Maleate; (+/-)-Brompheniramine Maleate; Bromphen
Maleate		 CAS 980-71-2 Bromphen-iramine Maleate
(RS)-1-[(4-Chlorophenyl)- Phenyl-Methyl]-4-
[(4-Tert-Butylphenyl) Methyl] Piperazine		 CAS 82-92-1 Buclizine
(11β,16α)-16,17-[Butylidenebis(Oxy)]-11,
21-Dihydroxypregna-1,4-Diene-3,20-Dione		 CAS 51333-22-3 Budesonide
4-Butoxy-N-Hydroxybenzeneacetamide; Parfenal;
Trolab; P-Butoxyphenylacethydroxamic Acid;
P-Butoxyphenylacetohydroxamic Acid		 CAS 2438-72-4 Bufexamac
4-(1-Pyrrolidinyl)-1-(2,4,6-Trimethoxyphenyl)-1-Butanone
Hydrochloride		 CAS 35543-24-9 Buflomedil Hydrochloride
5-[3-[(1,1-Dimethylethyl)Amino]-2-Hydroxypropoxy]-3,
4-Dihydro-1(2H)-Naphthalenone Hydrochloride		 CAS 31969-05-8 Bunolol Hydrochloride
4-Hydroxy-Α-[1-[(1-Methyl-3-Phenylpropyl)Amino]Ethyl]
Benzenemethanol; P-Hydroxy-N-(1-Methyl-3-Phenylpropyl)Norephedrine;
P-Hydroxy-N-(1-Methyl-3-Phenylpropyl)
Norphedrine		 CAS 447-41-6 Buphenine Hydrochloride
1-Butyl-N-(2,6-Dimethylphenyl)-2-Piperidinecarboxamide CAS 73360-54-0 Bupivacaine Hydrochloride
Monohydrate
Bupropion USP Related Compound B CAS 1049718-43-5 Bupropion
Bupropion USP Related Compound A CAS 1049718-72-0
Bupropion USP Related Compound E CAS 10557-17-2
Bupropion 3,4-Dichloro Impurity CAS 1193779-34-8
Bupropion 3,5-Dichloro Impurity CAS 1193779-48-4
Bupropion amino -Bupropion Amino Impurity CAS 119802-69-6
Bupropion Hydrochloride -1-(3-Chlorophenyl)-2-
[(1,1-Dimethylethyl)Amino]-1-Propanone Hydrochloride		 CAS 31677-93-7
8-[4-[4-(2-Pyrimidinyl)-1-Piperazinyl]Butyl]-8-Azaspiro
[4.5]Decane-7,9-Dione; Ansial		 CAS 33386-08-2 Buspirone Hydrochloride
Butetamate Citrate CAS 13900-12-4 Butetamate Citrate
4-Hydroxybenzoic Acid Butyl Ester;
4-(Butoxycarbonyl)Phenol		 CAS 94-26-8 Butyl
Parahydroxybenzoate
(1,1-Dimethylethyl)-4-Methoxyphenol;
2(3)-Tert-Butyl-4-Hydroxyanisole		 CAS 25013-16-5 Butylhydroxyanisole
2,6-Bis(1,1-Dimethylethyl)-4-Methylphenol CAS 128-37-0 Butylhydroxytoluene
(ΑR,ΒS)-Β-[[ (1,1-Dimethylethoxy) Carbonyl]Amino]
-Α-Hydroxybenzenepropanoic Acid
(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)
-12b-(Acetyloxy)-12-(Benzoyloxy)
-2a,3,4,4a,5,6,9,10,11,12,12a,12b-
Dodecahydro-11-Hydroxy-4,
6-Dimethoxy-4a,8,13,13-
Tetramethyl-5-Oxo-7,11-Met		 CAS 183133-96-2 Cabazitaxel
CI-103N-[4-(3-Chloro-4-Fluorophenylamino)-7-
(3-Morpholin-4-Ylpropoxy)Quinazolin-6-Yl]Acrylamide
Dihydrochloride		 CAS 289499-45-2 Canertinib Dihydrochloride
Capecitabine impurity D CAS 161599-46-8 Capecitabine
10,11-dihydro-10,11-dioxo carbamazepine CAS 537693-29-1 Carbamazepine
Carglumic acid Impurity CAS 1188-38-1 Carglumic Acid
Cetirizine N-Oxide CAS 1076199-41-1 Cetirizine
Cetirizine EP Impurity B CAS 83881-51-0
4-Chlorobenzotrifluoride CAS 98-56-6 Chlorobenzotrifluoride
Ciprofloxacin EP Impurity B CAS 93107-11-0 Ciprofloxacin
Citalopram Impurity B CAS 411221-53-9 Citalopram
Citalopram Impurity A CAS 64372-56-1
Clonazepam Impurity - A,B CAS 55198-89-5 Clonazepam
Clonazepam Impurity A CAS 55198-89-5
Clopidogrel Impurity CAS 113665-84-2 Clopidogrel
Clopidogrel Related compound C CAS 120202-71-3
Clotrimazole EP Impurity D CAS 288-32-4 Clotrimazole
Clotrimazole EP Impurity C CAS 42074-68-0
Darifenacin Bromo Impurity CAS 127264-14-6 Darifenacin
Darifenacin Carboxylic Acid Impurity CAS 69999-16-2
Debenzyl Donepezil CAS 120013-39-0 Debenzyl
Dehydro Aripiprazole Impurity CAS 1008531-60-9 Dehydro Aripiprazole
Desloratadine impurity A CAS 38092-95-4 Desloratadine
Dehydro Desloratidine CAS 117811-20-8
Desloratadine Impurity CAS 100643-71-8
Desloratadine N-acyl CAS 117796-52-8
Desloratadine N-Acetyl Impurity CAS 117796-52-8
N-Formyl Desloratadine CAS 117810-61-4
Desloratadine N-hydroxy CAS 1193725-73-3
Desloratadine N-Hydroxy Impurity CAS 1193725-73-3
Desloratadine 3-hydroxy CAS 119410-08-1
Dexpramipexole Dihydrochloride Impurity CAS 104632-27-1 Dexpramipexole
Dihydrochloride
Dipyramidole Impurity D CAS 1176886-12-6 Dipyramidole
Domperidone N-Oxide CAS 118435-03-3 Domperidone
Donepezil Impurity VI CAS 120012-04-6 Donepezil
Donepezil Deoxy Impurity CAS 1034439-57-0
Donepezil N-oxide CAS 120013-84-5
Donepezil Dihydro Impurity CAS 120012-04-6
Donepezil Dehydro Deoxy Impurity CAS 120013-45-8
DORZOLAMIDE Related Compound B CAS 120279-37-0 Dorzolamide
Duloxetine Impurity EP F CAS 116817-28-8 Duloxetine
Duloxetine Impurity F CAS 116817-28-8
Etofenamate Impurity C CAS 101-23-5 Etofenamate
Famciclovir Impurity CAS 104227-87-4 Famciclovir
4-(2,3-Dichlorophenyl)-1,4-Dihydro-2,6-Dimethyl-3,
5-Pyridinedicarboxylic Acid Ethyl Methyl Ester;
Feloday; Flodil		 CAS 72509-76-3 Felodipine
Glibenclamide Impurity CAS 10238-21-8 Glibenclamide
Ibuprofen Impurity B CAS 3585-49-7 Ibuprofen
4-[(4-Methylpiperazin-1-Yl)Methyl]-N-(4-Methyl-3-
{[4-(Pyridin-3-Yl)Pyrimidin-2-Yl]Amino}Phenyl)
Benzamide		 CAS 152459-95-5 Imatinib
Dabigatran Isopropyll Ester Impurity CAS 211915-06-9 Isopropyl Ester
Isorizatriptan CAS 208941-96-2 Isorizatriptan
Lacidipine Impurity CAS 103890-78-4 Lacidipine
Lansoprazole Impurity CAS 103577-45-3 Lansoprazole
Lercanidipine Impurity B CAS 1119226-97-9 Lercanidipine
Letrozole Impurity CAS 113402-31-6 Letrozole
Levetiracetam Impurity CAS 102767-28-2 Levetiracetam
Lidocaine Impurity K CAS 50295-20-0 Lidocaine
Lidocaine Impurity - A,C,H,D,F,G,I,J,K CAS 50295-20-0
Lisinopril cyclohexyl analogue CAS 1132650-67-9 Lisinopril
Lisinopril Dihydrate EP Impurity CAS 1012-05-1
Lopinavir EP Impurity T CAS 192725-17-0 Lopinavir
3-Hydroxy loratadine CAS 183483-15-0 Loratadine
4-Hydroxymethyl loratadine CAS 609806-40-8
Loratadine USP RC A CAS 100643-71-8
Loratadine EP Impurity F CAS 125743-80-8
Losartan Impurity J CAS 1006062-27-6 Losartan
Losartan Carboxylic Acid CAS 124750-92-1
Losartan Impurity H CAS 124751-00-4
Maleic acid CAS 110-16-7 Maleic acid
Masalazine Impurity L CAS 118-91-2 Masalazine
Metoprolol Impurity O (EP) CAS 154784-36-8 Metoprolol
Metoprolol Impurity A CAS 109632-08-8
Metronidazol Impurity G CAS 1010-93-1 Metronidazol
Modafinil Related Compound - A,B,C,D,E CAS 63547-24-0 Modafinil
Modafinil Related Compound A CAS 63547-24-0
Modafinil Related Compound B CAS 118779-53-6
Moxifloxacin Impurity B CAS 1029364-73-5 Moxifloxacin
MoxifloxacinImpurity CAS 1029364-77-9
Nateglinide Impurity CAS 105816-04-4 Nateglinide
Nevirapine Impurity CAS 129618-40-2 Nevirapine
Nortriptyline Impurity C CAS 1156-99-6 Nortriptyline
Ofloxacin Impurity B CAS 123155-82-8 Ofloxacin
Olanzapine EP Impurity B CAS 221176-49-4 Olanzapine
Olanzapine EP Impurity C CAS 719300-59-1
Olanzapine Lactam CAS 1017241-34-7
Olanzapine Thiolactam Impurity CAS 1017241-36-9
Omeprazole Hydrolysis Impurity CAS 1227380-90-6 Omeprazole
Ondansetron EP Impurity H CAS 9614-14-9 Ondansetron
Ondansetron Hydrochloride Dihydrate CAS 103639-04-9
Ondansetron EP Impurity A CAS 119812-29-2
Oseltamivir EP Impurity H CAS 814-29-9 Oseltamivir
Oxeladine Impurity A (EP) - Oxeladine
Oximinostilbene - Oximinostilbene
Oxybutynin Impurity A CAS 1199574-71-4 Oxybutynin
Pantoprazole Impurity B CAS 102625-64-9 Pantoprazole
Pantoprazole Impurity A CAS 127780-16-9
Pantoprazole Sulfone CAS 127780-16-9
Paroxetine Impurity C CAS 105813-13-6 Paroxetine
Piroxicam Impurity L CAS 118854-48-1 Piroxicam
Pramipexole EP Impurity E CAS 105816-05-5 Pramipexole
Pramipexole EP Impurity A CAS 106092-09-5
Pramipexole EP Impurity B CAS 1246815-83-7
Rac 4,5-Dehydro Pregabalin CAS 216576-74-8 Pregabalin
Propafenone Impurity E CAS 165279-79-8 Propafenone
Propranolol Impurity C (EP) - Propranolol
Prulifloxacin Impurity CAS 123447-62-1 Prulifloxacin
Quetipine Hemifumarate Impurity CAS 111974-72-2 Quetipine Hemifumarate
Rivastigmine tartarate working standard CAS 123441-03-2 Rivastigmine
3 Oxo Ropinirole Impurity CAS 102842-51-3 Ropinirole
Ropinirole N-Oxide CAS 1070377-34-2
Ropinirole Hcl -N-Despropyl Ropinirole HCl CAS 106308-44-5
Rosuvastatin calcium diastereomer / Rosuvastatin CAS 1093959-75-1 Rosuvastatin Calcium
Rufinamide Impurity CAS 106092-09-5 Rufinamide
Simvastatin anhydro Impurity C CAS 210980-68-0 Simvastatin
Simvastatin Impurity A -
Zoledronic Acid Impurity CAS 118072-93-8 Soledronic
Telmisartan Impurity B CAS 1026438-56-1 Telmisartan
Tranexamic acid Impurity A - Tranexamic acid
Tropicamide Impurity A CAS 33403-97-3 Tropicamide
[3-[[2-Methoxy-4-[[[(2-Methylphenyl)Sulfonyl]Amino]
Carbonyl]Phenyl]Methyl]-1-Methyl-1H-Indol-5-Yl]
Carbamic Acid Cyclopentyl Ester		 CAS 107753-78-6 Zafirlukast
N-[3-(3-Cyanopyrazolo[1,5-A]Pyrimidin-7-Yl)Phenyl]
-N-Ethylacetamide; CL-284846; Sonata		 CAS 151319-34-5 Zaleplon

PATENTED IMPURITY PRODUCTS

Impurity Name CAS No. Product Name
1,3-Dihydroxyadamantane CAS 5001-18-3 Adamantane
1-adamantyl bromide CAS 768-90-1
1-Methyl-tricyclo[3.3.1.13,7]decane CAS 768-91-2
Impurity-A - (R)-N-Methyl-3-phenoxy-3-phenylpropan-
1-amine		 CAS 82248-59-7 Atomoxetine
2 –Ethoxy-1-[[2’-(-ethyltetrazol-5-yl)biphenyl-4-yl]
methyl]-1 H-benzimidazol-7-carbonsaure 1 –
([(cyclohexyloxy)carbonyl]oxy)ethylester		 CAS 914613-35-7 Candesartan
Caspofungin Pneumocandin B0 Impurity CAS 135575-42-7 Caspofungin
Caspofungin Pneumocandin C0 Impurity CAS 144074-96-4
Impurity A - 4-[5-(3-Methylphenyl)-3-Trifluoromethyl-1H-
Pyrazol-1-Yl]Benzenesulfonamide		 CAS 170570-01-1 Celecoxib
Impurity B - N-De(4-Sulfonamidophenyl)-N’-
(4-Sulfonamidophenyl) Celecoxib		 CAS 331943-04-5
Impurity C - 4-(5-M-Tolyl-3-Trifluoromethyl-Pyrazol-1-Yl)-
Benzenesulfonamide		 CAS 170569-99-0
Impurity E - (2-Chlorophenyl)(Phenyl)Methanone CAS 1191489
Impurity G - 4,4,4-Trifluoro-1-(4-Methylphenyl)-1,3-
Butanedione; 4,4,4-Trifluoro-1-P-Tolyl -1,3-Butanedione		 CAS 720-94-5
4-[5-(2,5-Dimethylphenyl)-3-(Trifluoromethyl)-1H-
Pyrazol-1-Yl]Benzenesulfonamide; DMC		 CAS 457639-26-8
1-(4-Methylphenyl)-1-Ethanone; 1-(4-Methylphenyl)
Ethanone		 CAS 122-00-9
Impurity 2- 5-(4-methylphenyl)-3-(trifluoromethyl)-1H-
pyrazole		 CAS 948293-46-7
(R)-(+)-1-(1-Naphthyl)ethylamine CAS 3886-70-2 Cinacalcet
3-(3-(trifluoromethyl) phenyl)propan-1-amine CAS 104774-87-0
(Cinacalcet-N-Oxide) (αR)-α-Methyl-N-
[3-[3-(trifluoromethyl)phenyl)propyl]-1
napthalenemethanamine-N-oxide		 CAS 1229224-94-5
Cyclosporine Impurity-A CAS 59865-13-3 Cyclosporine
Impurity B -
Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-
leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-
amino-6-octenoyl-L-alanyl-N-methylglycyl-N-methyl-L-
leucyl-L-valyl-N-methyl-L-leucyl		 CAS 63775-95-1
Impurity C-
Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-
leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-
amino-6-octenoyl-L-alanyl-N-methylglycyl-N-methyl-L-
leucyl-L-valyl-N-methyl-L-leucyl]		 CAS 59787-61-0
Impurity D -
Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-
leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-
amino-6-octenoyl-L-valyl-N-methylglycyl-N-methyl-L-
leucyl-L-valyl-N-methyl-L-leucyl]		 CAS 63775-96-2
Impurity H -
Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-
leucyl-N-methyl-D-valyl-3-hydroxy-N,4-dimethyl-L-2-
amino-6-octenoyl-L-2-aminobutanoyl-N-methylglycyl-
N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl]		 CAS 83602-39-5
(3aS,4S,6aR)-4-Methoxytetrahydrofuro[3,4-B]
Furan-2(3H)-One		 CAS 866594-60-7 Darunavir
(3S,3aR,6aS)-Hexahydro-Furo[2,3-B]Furan-3-Ol Acetate;
3S-(3α,3aβ,6aβ)]-Hexahydrofuro[2,3-B]Furan-3-Ol
Acetate;		 CAS 162020-29-3
Carbonic Acid 2,5-Dioxo-1-Pyrrolidinyl [(3R,3aS,6aR)-
Hexahydrofuro[2,3-B] Furan-3-Yl] Ester		 CAS 253265-97-3
1-Deoxy-1-[[4-[[[(2R,3S)-3-[[[[(3R,3aS,6aR)-Hexahydrofuro
[2,3-B]Furan-3-Yl]Oxy]Carbonyl]Amino]-2-Hydroxy-4-
Phenylbutyl](2Methylpropyl)Amino]Sulfonyl]Phenyl]
Amino]-Β-D-Glucopyranuronic Acid		 CAS 1159613-25-8
1-Deoxy-1-[[4-[[[(2R,3S)-3-[[[[(3R,3aS,6aR)-Hexahydrofuro
[2,3-B]Furan-3-Yl]Oxy]Carbonyl]Amino]-2-Hydroxy-4-
Phenylbutyl](2Methylpropyl)Amino]Sulfonyl]
Phenyl]Amino]-Β-D-Glucopyranuronic Acid		 CAS 1159613-25-8
[(1S,2R)-3-[[(4-Aminophenyl)Sulfonyl](2-Methylpropyl)
Amino]-2-Hydroxy-1-(Phenylmethyl)Propyl]Carbamic
Acid 1,1-Dimethylethyl Ester		 CAS 183004-94-6
(Acid Impurity) 3-Oxo-4-aza-5α-αndrost-1-ene-17β-
carboxylic Acid		 CAS 104239-97-6 Dutasteride
(Dihydro Impurity ) 17β-N-[2,5-bis (Trifluoromethyl)phenyl]
Carbamoyl-4-aza-5α-androstene-3-one		 CAS 164656-22-8
(Ester Impurity) 3-Oxo-4-aza-5α-αndrost-1-ene-17β-
carboxylic Acid Methyl Ester		 CAS 103335-41-7
1-[3-(Dimethylamino) propyl]-1-(4-fluorophenyl)-1,
3-dihydro-5-isobenzofuran-carbonitrile oxalate		 CAS 219861-08-2 Escitalopram
R-(-)-1-[3-(diMethylaMino) propyl]-1-(p-fluorophenyl)-5-
phthalancarbonitrile oxalate		 CAS 219861-53-7
Esomeprazole Magnesium Trihydrate CAS 217087-09-7 Esomeprazole
Impurity A -1,3-Dihydro-5-Methoxy-2H-Benzimidazole-2-
Thione; 2-Mercapto-5-Methoxy-1H-Benzimidazole,
5-methoxy-2-mercaptobenzimidazole		 CAS 37052-78-1
Impurity C - 6-Methoxy-2-[[(4-Methoxy-3,5-Dimethyl-2-
Pyridinyl)Methyl]Thio]-1H-Benzimidazole		 CAS 73590-85-9
Impurity D - 5-Methoxy-2-[[(4-Methoxy-3,5-Dimethyl-2-
Pyridinyl)Methyl]Sulfonyl]-1H-Benzimidazole		 CAS 88546-55-8
Impurity F - Omeprazole Potassium R-Isomer, CAS 161796-77-6
Impurity B - 2-[[(3,5-Dimethyl-2-Pyridinyl)Methyl]Sulfinyl]
-6-Methoxy-1H-Benzimidazole; H 180/29,
4-Desmethoxy Omeprazole		 CAS 110374-16-8
Impurity E -6-Methoxy-2-[[(4-Methoxy-3,5-Dimethyl-1-
Oxido-2-Pyridinyl)Methyl]Sulfinyl]-1H-Benzimidazole,
omeprazole n-oxide		 CAS 176219-04-8
Esomeprazole Potassium CAS 161796-84-5
(S)-Omeprazole Sodium Salt; S-Omeprazole Sodium CAS 161796-78-7
(5S)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-
pyrrolo [3,4-b]pyrazin-5-yl 4-methylpiperazine-1-
carboxylate		 CAS 138729-47-2 Eszopiclone
Impurity C - 6-(5-chloropyridin-2-yl)-6,
7-dihydropyrrolo[3,4-b]pyrazin-5-one		 CAS 148891-53-6
Impurity A - (4-chlorophenyl)(4-hydroxyphenyl)
methanone		 CAS 42019-78-3 Fenofibrate
Impurity E - Ethyl 2-[4-(4-chlorobenzoyl)phenoxy]-
2-methylpropanoate		 CAS 42019-08-9
Impurity B - 2-[4-(4-chlorobenzoyl)phenoxy]-2-
methylpropanoic acid		 CAS 42017-89-0
Impurity C - 3-[4-(4-chlorobenzoyl)phenoxy]butan-2-one CAS 217636-47-0
Impurity D - Methyl 2-[4-(4-chlorobenzoyl)phenoxy]-2-
methylpropanoate		 CAS 42019-07-8
Impurity F - (4-Chlorophenyl)[4-(1-methylethoxy)phenyl]
methanone		 CAS 154356-96-4
Impurity G -1-methylethyl 2-[[2-[4-(4-chlorobenzoyl)
phenoxy]-2-methylpropanoyl]oxy]-2-methylpropanoate		 CAS 217636-48-1
N-[4-Methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]
phenyl]-4-(1-piperazinylmethyl)-benzamide		 CAS 404844-02-6 Imatinib
Imatinib Mesylate CAS 220127-57-1
Imatinib pyridine n-oxide CAS 571186-92-0
N-Desmethyl Imatinib CAS 404844-02-6
Imatinib piperazine n-oxide CAS 571186-91-9
(Related compound A deacetamide linezolid azide) -
(5R)-5-(Azidomethyl)-3-[3-Fluoro-4-(4-Morpholinyl)
Phenyl]-2-Oxazolidinone; (R)-5-(Azidomethyl)-3-
[3-Fluoro-4-(4-Morpholinyl)Phenyl]-2-Oxazolidinone		 CAS 168828-84-0 Linezolid
(Related compound B thiolinezolid)-
(S)-N-{[3-(3-Fluoro-4-Morpholinophenyl)-2-
Oxooxazolidin-5-Yl]Methyl} Thioacetamide;
Deacetyl Linezolid Thioacetamide		 CAS 216868-57-4
(Related Compound C Deacetyl Linezolid) -
(5S)-5-(Aminomethyl)-3-[3-Fluoro-4-(4-Morpholinyl)
Phenyl]-2-Oxazolidinone; (-)-(S)-5-(Aminomethyl)-3-
(3-Fluoro-4-Morpholinophenyl)Oxazolidin-2-One;		 CAS 168828-90-8
Impurity D - N,N-Bis[[(5S)-3-[3-Fluoro-4-(4-Morpholinyl)
Phenyl]-2-Oxo-5-Oxazolidinyl]Methyl]Acetamide;
Bis(Linezolid); Bis-Linezolid		 CAS 908143-04-4
Memantine Related Compound E CAS 351329-88-9 Memantine
Memantine Related Compound D CAS941-37-7
1-Chloro-3,5-dimethyladamantane CAS 707-36-8
1-Hydroxy-3,5-dimethyladamantane CAS 707-37-9
1,3,5-Tribromoadamentane CAS 707-34-6
1,3,5-Trimethyladamantane CAS 707-35-7
(Demethyl Memantine Hydrochloride)
3-Methyltricyclo[3.3.1.13,7]decan-1-amine Hydrochloride;
3-Methyl-1-adamantanamine Hydrochloride;		 CAS 33103-93-4
(Memantine Hydrochloride )
3-Amino-5,7-Dimethyltricyclo[3.3.1.13,7]Decan-1-Ol
Hydrochloride; 1-Amino-3,5-Dimethyl-7-
Hydroxyadamantane Hydrochloride		 CAS 356572-08-2
3-Methyltricyclo[3.3.1.13,7]Decan-1-Amine Hydrochloride;
3-Methyl-1-Adamantanamine Hydrochloride		 CAS 33103-93-4
1-Bromo-3,5-dimethyladamantane CAS 941-37-7
memantine lactose hydrochloride salt,
Lactose Adduct (HCL Salt)		 CAS 1159637-28-1
1-Acetamido-3,5-dimethyl adamantine,
N-Acetyl Memantine		 CAS 19982-07-1
N-(3,5-Dimethyladamantan-1-yl)formamide CAS 351329-88-9
1-amino-3,5-di methyl-7-hydroxy adamantine
Hydrochloride Salt		 CAS 356572-08-2
N-methyl-2-pyridone-5-carboxamide CAS 701-44-0 Niacin Metabolite
Impurity A - 4-(2-hydroxypropan-2-yl)-2-propyl-1-
({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)
-1H-imidazole-5-carboxylic acid		 CAS 144689-24-7 Olmesartan Medoxomil
Triphenylmethanol, Olmesartan Trityl Alcohol CAS 76-84-6
Ethyl 1-((2’-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl)-4-
(2-hydroxypropan-2-yl)-2-propyl-1H-imidazol-5-
carboxylate, Olmesartan Ethyl ester		 CAS 144689-23-6
(N-alkylated Olmesartan) (5-methyl-2-oxo-1,3-dioxol-4-yl)
methyl4-(2-hydroxy propan-2-yl)-1-((2’-(1-((5-methyl-2-
oxo-1,3-dioxol-4-yl)methyl)-1H-tetrazol-5-yl)biphenyl-4-yl)
methyl)-2-propyl-1H-imidazol-5-carboxylate		 CAS 144690-92-6
Impurity C -
(5-methyl-2-oxo-2H-1,3-dioxol-4-yl)methyl4-(2-propen-
2-yl)-2-propyl-1-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)
phenyl]phenyl}methyl)-1H-imidazole-5-carboxylate		 CAS 879562-26-2
(Trityl olmesartan), ((5-methyl-2-oxo-1,3-dioxol-4-yl)
methyl4-(2-hydroxypropan-2-yl)-2propyl-1
((2’-(1-trityl-1H-tetrazol-5-yl)biphenyl-4-yl)methyl-1H-imidazole-5-
carboxylate		 CAS 144690-92-6
Impurity A - N-[4-[2-(2-Amino-4,7-Dihydro-1-Methyl-4-Oxo-1H-Pyrrolo
[2,3-D]Pyrimidin-5-Yl)Ethyl]Benzoyl]-L-
Glutamic Acid; N-Methyl Pemetrexed;		 CAS 869691-42-4 Pemetrexed Acid
Impurity D - Pemetrexed Triacid;
(2S)-2-[[(4S-4-[[[4-[2-(2-Amino-4-Oxo-4,7-Dihydro-1H-
Pyrrolo[2,3-D]Pyrimidin-5-Yl) Ethyl]Phenyl]Carbonyl]
Amino]-4-Carboxybutanoyl)Amino] Pentanedioic Acid		 CAS 144051-68-3
Impurity E -
(2R)-2-[[[4-[2-(2-Amino-4-Oxo-4,7-Dihydro-1H-Pyrrolo
[2,3-D]Pyrimidin-5-Yl)Ethyl]Phenyl]Carbonyl]Amino]
Pentanedioic Acid Disodium Salt		 CAS 937370-10-0
(Pitavastatin 5-Oxo Impurity) ,
(3R,6E)-7-[2-Cyclopropyl-4-(4-Fluorophenyl)-3-Quinolinyl]
-3-Hydroxy-5-Oxo-6-Heptenoic Acid		 CAS 222306-15-2 Pitavastatin Acid
(Pitavastatin 3-Oxo Ethyl Esterethyl)
,(E)-7-[2-Cyclopropyl-4-(4-Fluorophenyl)-3-Quinolinyl]-5-Hydroxy-3-Oxo-6-
Heptenoic Acid Ethyl Ester		 CAS 148901-69-3
Itavastatin Ethyl Ester;
(3R,5S,6E)-7-[2-Cyclopropyl-4-(4-Fluorophenyl)
Quinolin-3-Yl]-3,5-Dihydroxyhept-6-Enoic Acid Ethyl Ester;		 CAS 172336-32-2
Itavastatin Lactone;
(4R,6S,E)-6-[2-[2-Cyclopropyl-4-(4-Fluorophenyl)Quinolin-3-Yl]Vinyl]
Tetrahydro-4-Hydroxypyran-2-One		 CAS 141750-63-2
(3R,5S,6E)-7-[2-Cyclopropyl-4-(4-Fluorophenyl)Quinolin-3-Yl]
-3,5-Dihydroxyhept-6-Enoic Acid T-Butyl Ester		 CAS 586966-54-3
(Z)-Pitavastatin Calcium Salt;
7-[2-Cyclopropyl-4-(4-Fluorophenyl)-3-Quinolinyl]-3,5-Dihydroxy-6-Heptenoic
Acid Calcium Salt;		 CAS 1159588-21-2
(3R)-3-(2-Amino-2-Oxoethyl)-5-s Methylhexanoic Acid;
(R)-3-(2-Amino-2-Oxoethyl)-5-Methylhexanoic Acid		 CAS 181289-33-8 Pregabalin
4-(2-Methylpropyl)-2-Pyrrolidinone; Pregabalin Lactam CAS 61312-87-6
3-(2-Methylpropyl)pentanedioic Acid CAS 75143-89-4
3-(2-amino-2-oxoethyl)-5-methylhexanoic acid CAS 181289-15-6
(R)-1-phenylethanamine CAS 3886-69-9
Impurity II - R)-(+)-α-Methylbenzylamine CAS 3886-69-9
Impurity III- (R)-3-(carbamoylmethyl)
-5-methyl hexanoic acid		 CAS 181289-33-8
Impurity IV - 4-Isobutyl-2-pyrrolidinone CAS 61312-87-6
Impurity V - (3R)-3-(Aminomethyl)
-5-methyl hexanoic acid		 CAS 148553-51-9
(Pregabalin Lactum)4-isobutylpyrrolidin-2-one CAS 61312-87-6
(Racemic Impurity), 3-(aminomethyl)-5-methylhexanoic
acid		 CAS 128013-69-4
Quetiapine sulfoxide CAS 329216-63-9 Quetiapine
7-hydroxylated quetiapine CAS 139079-39-3
Impurity B - 11-(1-piperazinyl)
dibenzo-(1,4)-thiazepine		 CAS 5747-48-8
(N-Ethyl Analogue)11-(4-Ethylpiperazin-1-yl)dibenzo[b,f]
[1,4]thiazepine.		 CAS 1011758-03-4
Related Compound 01 - Dibenzo-(1,4)-thiazepine-11(10H)-
One		 CAS 3159-07-7
Related Compound 02- 11-(1-piperazinyl)dibenzo-(1,4)
-thiazepine		 CAS 5747-48-8
Rabeprazole Impurity-N-Oxide CAS 924663-38-7 Rabeprazole
Rabeprazole Impurity-sulphone CAS 117976-47-3
Rabeprazole Impurity-sulphone N-Oxide CAS 924663-37-6
Impurity A - 2-[[[4-(3-Methoxypropoxy)-3-Methyl-1-Oxido-2-Pyridinyl]
Methyl]Sulfinyl]-1H-Benzimidazole		 CAS 924663-38-7
Impurity B - 2-[[[4-(3-Methoxypropoxy)-3-Methyl-1-Oxido-2-Pyridinyl]
Methyl]Sulfonyl]-1H-Benzimidazole		 CAS 924663-37-6
Impurity C - 2-[[(4-Chloro-3-Methyl-2-Pyridinyl)
Methyl]Sulfonyl-1H-Benzimidazole		 CAS 1159977-27-1
Impurity D - 4-Desmethoxypropoxyl-4-Chloro Rabeprazole Sulfide CAS 103312-62-5
Impurity E - 2-[[[4-(3-Methoxypropoxy)-3-Methyl-2-
Pyridinyl]Methyl]Sulfonyl]-1H-Benzimidazole		 CAS 117976-47-3
Impurity F - 2-[[[3-Methyl-4-(3-Methoxypropoxy)-2-
Pyridyl]Methyl]Thio]-1H-Benzimidazole		 CAS 117977-21-6
Impurity G - N-[[4-(3-Methoxypropoxy)-3-Methyl-2-
Pyridinyl]Methyl] Rabeprazole;		 CAS 935260-92-7
Impurity F - 2-[[[3-Methyl-4-(3-Methoxypropoxy)-2-
Pyridyl]Methyl]Thio]-1H-Benzimidazole		 CAS 117977-21-6
Impurity G - N-[[4-(3-Methoxypropoxy)-3-Methyl-2-
Pyridinyl]Methyl] Rabeprazole;		 CAS 935260-92-7
Impurity A - Raloxifene Diketone CAS 1159977-58-8 Raloxifene
Impurity B - Raloxifene Isomer;3-Des[4-(2-Piperidinyl)
Ethoxy]Benzoyl-7-[4-(2-Piperidinyl)Ethoxy]
Benzoyl Raloxifene		 CAS 1391054-73-1
Impurity C - [6-Hydroxy-2-(4-Hydroxyphenyl)Benzo[B]
Thien-3-Yl][4-[2-(1-Oxido-1-Piperidinyl)Ethoxy]Phenyl]
Methanone; Raloxifene N-Oxide		 CAS 195454-31-0
Impurity D - [6-Hydroxy-2-(4-Hydroxyphenyl)Benzo[B]
Thien-3-Yl](4-Hydroxyphenyl)Methanone; LY 88074		 CAS 177744-96-6
[6-Hydroxy-2-(4-Hydroxyphenyl)-Benzo[B]Thien-7-Yl]
[4-[2-(1-Piperidinyl)Ethoxy]Phenyl]Methanone		 CAS 1391054-73-1
[2-[4-[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]Phenyl]-6-
Hydroxybenzo[B]Thien-3-Yl][4-[2-(1-Piperidinyl)Ethoxy]
Phenyl]Methanone		 CAS 174264-46-1
[4-Hydroxy-2-(4-Hydroxyphenyl)Benzo[B]Thien-3-Yl]
[4-[2-(1-Piperidinyl)Ethoxy]Phenyl]-Methanone		 CAS 185416-01-7
[6-[[(1,1-Dimethylethyl)Dimethylsilyl]Oxy]-2-
(4-Hydroxyphenyl)Benzo[B]Thien-3-Yl]
[4-[2-(1-Piperidinyl)Ethoxy]Phenyl]Methanone		 CAS 174264-47-2
[6-Hydroxy-2-(4-Hydroxyphenyl)-7-[4-(2-Piperidin-1-Yl-
Ethoxy)Benzoyl]-Benzo[B]Thien-3-Yl]-[4-[2-(1-Piperidinyl)
Ethoxy]Phenyl]Methanone		 CAS 1159977-58-8
4-[6-Hydroxy-3-[4-[2-(1-Piperidinyl)Ethoxy]Benzoyl]
Benzo[B]Thien-2-Yl]PhenyllO-Acetyl
Β-D-Glucopyranosiduronic Acid Methyl Ester
2,3,4-Triacteate		 CAS 174264-51-8
4-[6-Hydroxy-3-[4-[2-(1-Piperidinyl)Ethoxy]Benzoyl]Benzo[B]Thien-2-Yl]
Phenyl-Β-D-Glucopyranosiduronic Acid		 CAS 182507-22-8
2-[4-(Β-D-Glucopyranuronosyloxy)Phenyl]-3-[4-[2-
(1-Piperidinyl)Ethoxy]Benzoyl]Benzo[B]Thien-6-Yl
Β-D-Glucopyranosiduronic Acid		 CAS 182507-20-6
2-(4-Hydroxyphenyl)-3-[4-[2-(1-Piperidinyl)
Ethoxybenzoyl]Benzo[B]Thien-6-Yl]
-Β-D-Glucopyranosiduronic Acid		 CAS 174264-50-7
6-Methoxy-2-(4-Methoxyphenyl)Benzo[B]
Thien-3-Yl][4-[2-(1-Piperidinyl)Ethoxy]Phenyl]-Methanone		 CAS 84541-38-8
Rosuvastatin calcium diastereomer / Rosuvastatin CAS 1094100-06-7 Rosuvastatin
(Rosuvastatin 3R,5R isomer), (3R,5R,6E)-7-
[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-
(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic
acid Calcium salt		 CAS 1094100-06-7
(Rosuvastatin Diasteromer), (3R,5RS,)-7-
[4-(4-flurophenyl)-2-(N-methylmethanesulfonamido)-6-
(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic
acid calcium salt 		CAS 147098-20-2
(Rosuvastatin Lactone )- N-(4-(4-fluorophenyl)-5-((E)-
2-((2S,4R)-4-hydroxy-6-oxo- tetrahydro-2H-pyran-2-yl)
vinyl)-6-isoprppylpyrimidin-2-yl)-N-methyl
metanesulfonamide		 CAS 503610-43-3
Tert-butyl-rosuvastatin CAS 355806-00-7
1-[4-ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-
pyrazolo[4,3-d]pyrimidin-5-yl)phenylsulfonyl]-4-
methylpiperazine		 CAS 139755-83-2 Sildenafil
1H – Imidazole CAS 5587-42-8
Impurity A - Isobutyl Sildenafil;
5-[2-Ethoxy-5-[(4-Methyl-1-Piperazinyl)Sulfonyl]Phenyl]-1,
6-Dihydro-1-Methyl-3-(2-Methylpropyl)-7H-Pyrazolo
[4,3-D]Pyrimidin-7-One;		 CAS 1391053-95-4
Impurity B -Sildenafil N-Oxide;
5-[2-Ethoxy-5-[(4-Methyl-4-Oxido-1-Piperazinyl)Sulfonyl]
Phenyl]-1,6-Dihydro-1-Methyl-3-Propyl-7H-Pyrazolo[4,3-D]Pyrimidin-7-One;		 CAS 1094598-75-0
Impurity C - Desethyl Sildenafil;
5-[2-Hydroxy-5-(4-Methylpiperazinylsulphonyl)Phenyl]
1-Methyl-3-N-Propyl-1,6-Dihydro-7H-Pyrazolo[4,3-D]
Pyramidin-7-One;		 CAS 139755-91-2
4-Amino-2-Methyl-5-Propyl-2H-Pyrazole-3-Carboxamide;Sildenafil
Amino Amide Impurity		 CAS 139756-02-8
4-Amino-2-Methyl-5-Propyl-2H-Pyrazole-3-Carboxamide Hydrochloride; CAS 247584-10-7
4-[(2-Ethoxybenzoyl)Amino]-1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxamide CAS 139756-03-9
Sildenafil Chloride Impurity; 2-Ethoxybenzoyl Chloride CAS 42926-52-3
3-(4,7-Dihydro-1-Methyl-7-Oxo-3-Propyl-1H-Pyrazolo
[4,3-D]Pyrimidin-5-Yl)-4-Ethoxy-Benzenesulfonyl Chloride;		 CAS 139756-22-2
(Sildenafil lactam impurity) 5-(2-Ethoxy-Phenyl)-1-Methyl-
3-Propyl-1,6-Dihydro-Pyrazolo[4,3-D]Pyrimidin-7-One;
UK 088800; “Imidazosagatriazinone”		 CAS 139756-21-1
4-Amino-1-methyl-3-propylpyrazole-5-carboxamide CAS 139756-02-8
4-Amino-1-methyl-3-propylpyrazole-5-carboxamide
Hydrochloride		 CAS 247584-10-7
4-(2-Ethoxybenzamido)-1-methyl-3-n-propylpyrazole-
5-carboxamide 		CAS 139756-03-9
2-Ethoxybenzoyl chloride CAS 42926-52-3
5-(5-chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-
1,6-dihydro-7H-pyrazole[4,3-d]pyrimidine-7-one		 CAS 139756-22-2
1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo
[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-
methylpiperazine, Citrate		 CAS 171599-83-0
(N-Desmethyl impurity), piperazinylsulfonyl)phenyl]-1,6-
dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one		 CAS 139755-82-1
(RelatedCompound 01),
4-(2-ethoxybenzamido)-1-methyl-3-n-propyl-pyrazole-5-carboxamide		 CAS 139756-03-9
1-(3-Hydroxypropyl)-5-[(2R)-2-
[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]aMino]propyl]
-1H-indole-7-carboxaMide		 CAS 175870-21-0 Silodosin Dehydro Impurities
Impurity D - 2-[4-[(Z)-1,2-
Diphenylprop-1-Enyl]Phenoxy]-N,N-Dimethylethanamine;		 CAS 15917-50-7 Tamoxifen
Impurity G - 1-[4-[2-Dimethylamino)Ethoxy]Phenyl]-2-
Phenyl-1-Butanone		 CAS 68047-07-4
1,2-Diphenylbutan-1-One CAS PA 20 04510
(Z)-2-[4-(1,2-Diphenyl-1-Butenyl)Phenoxy]-N,
N-Dimethylethanamine N-Oxide		 CAS PA 20 04520
2-Dimethylaminoethyl Chloride Hydrochloride;
(2-Chloroethyl)Dimethylamine Hydrochloride;
(Β-Chloroethyl)Dimethylamine Hydrochloride;
1-(Dimethylamino)-2-Chloroethane-D6 Hydrochloride;
1-Chloro-2-(Dimethylamino)Ethane Hydrochloride;
1-Chloro-2-N,N-Dimethyla		 CAS 4584-46-7
Impurity D - Tamoxifen citrate CAS 54965-24-1
Telmisartan Methyl Ester CAS 144701-48-4 Telmisartan
Impurity A - 1,7-Dimethyl-2-Propyl-2,5-
Bi-1H-Benzimidazole; 4-Methyl-6-(1-Methylbenzimidazol
-2-Yl)-2-Propylbenzimidazole;		 CAS 152628-02-9
Impurity B- T-Butyl Ester Isomer;
4-[(1,7-Dimethyl-2-Propyl[2,5-Bi-1H-Benzimidazol]-1-Yl)
Methyl][1,1-Biphenyl]-2-Carboxylic Acid		 CAS 1026353-20-7
Impurity C - 4-[(1,4-Dimethyl-2-Propyl[2,6-Bi-1H-
Benzimidazol]-1-Yl)Methyl]-[1,1-Biphenyl]-2-
Carboxylic Acid 1,1-Dimethylethyl Ester		 CAS 144702-26-1
Impurity E - 3-(2'-Carboxy-Biphenyl-4-Ylmethyl)-7-
Methyl-2-Propyl-3H-Benzoimidazole-5-Carboxylic Acid;
1-[(2-Carboxy[1,1-Biphenyl]-4-Yl)Methyl]-4-Methyl-2-
Propyl-1H-Benzimidazole-6-Carboxylic Acid;
Telmisartan Diacid Impurity;		 CAS 884330-12-5
Impurity F - Telmisartan Amide;
4-[(1,4-Dimethyl-2-Propyl[2,6-Bi-1H-Benzimidazol]-1-Yl)
Methyl][1,1-Biphenyl]-2-Carboxamide		 CAS 915124-86-6
Impurity G - 2-Descarboxy-2-Cyano Telmisartan;
4-[(1,4-Dimethyl-2-Propyl[2,6-Bi-1H-Benzimidazol]-1-Yl)
Methyl]-[1,1-Biphenyl]-2-Carbonitrile		 CAS 144702-27-2
Impurity H - Tert-Butyl 4-(Bromomethyl)Biphenyl-2-
Carboxylate; 1,1-Dimethylethyl 4-(Bromomethyl)
Biphenyl-2-Carboxylate		 CAS 114772-40-6
Valsartan Bromo Impurity CAS 124750-51-2 Valsartan
Impurity A-N-(1-Oxopentyl)-N-[[2-(2H-Tetrazol-5-Yl)
[1,1-Biphenyl]-4-Yl]Methyl]-D-Valine;Valsartan Related Compound A;		 CAS 137862-87-4
Impurity B - N-(1-Oxopentyl)-N-[[2-(2H-Tetrazol-5-Yl)
[1,1-Biphenyl]-4-Yl]Methyl]-L-Valine Phenylmethyl Ester		 CAS 137863-20-8
Impurity C - N-(1-Oxobutyl)-N-[[2-(2H-Tetrazol-5-Yl)
[1,1-Biphenyl]-4-Yl]Methyl]-L-Valine		 CAS 952652-79-8
5-[4’-Bromomethyl-(1,1’-Biphenyl)-2-Yl]-2-
Triphenylmethyltetrazole; 4-Bromomethyl-2-
[N2-Triphenylmethyl-2H-Tetrazol-5-Yl]Biphenyl		 CAS 124750-51-2
N -(1-Oxopentyl)-N-[[2-(1H-tetrazol-5-yl)
[1,1-biphenyl]-4-yl]methyl]-L-alanine		 CAS 137862-57-8
N-(1-Oxopentyl)-N-[[2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-
4-yl]methyl]-L-valine methyl ester		 CAS 137863-17-3
(S)-N-Valeryl-N-([2-(1H-tetrazole-5-yl)biphen-5-yl]
methyl)-valine methyl ester 		CAS 137863-17-3
Related Compound A - (R)-N-valeryl-N-[[2'-
[1H-tetrazole-5-yl]biphernyl-4-yl]-methyl]-valine		 CAS 137862-87-4
Related Compound C - (S)-N-valeryl-N-{( 2-((1H-tetrazole-
5-yl)-biphenyl-4-yl]methyl }-valine benzyl ester]		 CAS 137863-20-8
4-ethyl-5-fluoropyrimidine CAS 137234-88-9 Voriconazole
(2S,3R)-2-(2,4difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-
1-(1H-1,2,4triazol-1-yl)butan-2-ol		 CAS 188416-29-7
(1R)-(-)-10-camphorsulfonic acid CAS 35963-20-3

Chempro has been serving the pharmaceuticals sector for the last 3 decades. We started production of APIs from advanced intermediates since 2001 with our registered office at Mumbai, India. We are an ISO compliant company in pharmaceutical sector. We operate manufacturing at USFDA, WHO-GMP and EU-GMP approved sites. We are currently operating globally in 26 countries within Asia, Europe, North America, Latin America and Africa continents. We have latest technologies and experienced professionals across Pharmaceuticals Manufacturing and all Regulatory Services and Compliances domains including Raw Materials, API Manufacturing with purification technologies, Finished Formulations/ BA/ BE Studies. API Impurities manufacturers, suppliers and exporters in Mumbai, India to respectable global companies with promise of competitive costs, high quality and reliable services.