
| Intermediates | CAS | Mol. Wt. | Purity |
| 4-Aceto-Amido 5-Hydroxy 2,7 Naphthalene Disulfonic Acid | 16698-16-1 | -- | -- |
| 1,3 Cyclohexanedione | 504-02-9 | -- | -- |
| 1,3-Butyleneglycol | 107-88-0 | 90.1 | 99% Min |
| 1, 4Bis (4-Amino 2-Sulfo-Styryl) Benzene | 084963-07-5 | 472 | 98% Min HPLC |
| 1,4-Dibromobenzene | 106-37-6 | ||
| 1,4-Sulphophenyl 4-Carboxy 5-Pyrazolone (1,4 SPCP) | 118-47-8 | 284 | 90% Min |
| 1-hydroxy-7-amino-naphthalene-3-(n-methyl-n-phenyl) sulfonamide | 91452-43-6 | 328 | 60% Min |
| 1-Naphthol 3:6 Di Sulfonic Acid | 578-85-8 | 304 | 90% Min HPLC |
| 1-Naphthylamine 3,6,8 Trisulphonic Acid (Koch Acid) | 5398-34-5 | 384 | 65% Min |
| 2,2-Dithio Salicylic Acid | 119-80-2 | -- | -- |
| 2,4 Xylidine 6 Sulfonic Acid | 82-22-2 | -- | -- |
| 2,4-Dichloro 6-Amino Phenol | 527-62-8 | 178 | 65% Min |
| 2,5-Diamino Toluene Sulphate | 615-50-9 | 220.25 | 98% Min |
| 2,5-Diaminobenzene Sulfonic acid | 88-45-9 | 188 | 99% Min |
| 2, 5-Dichloro Phenol | 583-78-8 | 99.5% Min | |
| 2,5-Dimethoxy Aniline (2,5-DMA) | 102-56-7 | 153 | 97% Min |
| 2-Amino 2’ Methyl Diphenyl Ether / 2-(2-Tolyloxy) Aniline | 3840-18-4 | 199 | 98% Min |
| 2-Amino 2’,4’ Dichloro Diphenyl Ether | 26306-64-9 | 254 | 99% Min |
| 2-Amino 4-Chloro Diphenyl Ether / 2-Phenoxy 5-Chloro Aniline | 93-67-4 | 219 | 98% Min |
| 2-Amino 6 Chloro 4 Nitro Phenol | 6358-09-4 | 119 | 95% Min |
| 2-Amino Phenol 4 Sulfonamide (OAPSAMIDE) | 98-32-8 | 188 | 99% Min |
| 2-Amino Sulfo N-Methyl Cyclohexylamide | 98-32-8 | 188 | 99% Min |
| 2-Amino Sulfo N-Methyl Cyclohexylamide | 70693-59-3 | 268 | 99% Min HPLC |
| 2-Amino 2’,4’ Dichloro Diphenyl Ether | 26306-64-9 | 289.5 | 80% Min |
| 2-Amino 6 Chloro 4 Nitro Phenol | 6358-09-4 | ||
| 2-Amino-4,6-Dichloro Pyrimidine | 56-09-3 | 164 | 98% Min |
| 2-Aminonaphthalene 1,6 DSA (Sulpho Broenner's Acid) | 6838-02-4 | 303 | 60% Min |
| 2-Aminophenol-4,6 -sulphonic acid (OAP, DSA)(O-Aminophenol,--Disulfonic Acid) | 83763-34-2 | ||
| 2-Bromo-6-Naphthol | 15231-91-1 | -- | -- |
| 3,4-Dihydroxy-5-Nitro Benzaldehyde | 116313-85-0 | -- | -- |
| 2-Ethyl-1,3-Cyclopentanedione | 823-36-9 | 126 | -- |
| 2-Mercaptobenzimidazole | 583-39-1 | 150 | 99% Min |
| 2-Methyl 5-Nitro Benzene Sulfonethanol Amide | 68003-40-7 | 260 | 75% Min |
| 2-Methyl-1,3-Cyclopentanedione | 765-69-5 | -- | -- |
| 2-Naphthalamine-6-Sulfonmethylamine | 104295-55-8 | 236 | 99% Min HPLC |
| 2-Naphthol-6-Sulphonic Acid (Schaeffer's Acid) | 93-01-6 | 224 | 80% Min |
| 2-Naphthylamine 6-Sulphonic Acid (Broenners Acid) | 93-00-5 | 223 | 90% Min |
| 3 & 5-Amino Salicilyic Acid (Mix Salicylic Acid) | 89-57-6 | -- | -- |
| 3,3'-Dimethyl Benzidine (Ortho Tolidine Base) | 119-93-7 | 212 | 74 & 90% Min |
| 3,4-Dihydroxy-5-Nitro Benzaldehyde | 116313-85-0 | -- | -- |
| 3,4-Dihydroxybenzaldehyde (Protocatechualdehyde) | 139-85-5 | 138.12 | 99% Min |
| 3,5-Diamino Benzoic Acid (3,5-DABA) | 535-87-5 | 152 | 99% Min |
| 3,5-Dinitro Benzoic Acid | 99-34-3 | 212.12 | 93% Min |
| 3-Amino 4-Chloro Benzamide | 19694-10-1 | 170 | 99% Min HPLC |
| 3-Amino Acetophenon | 99-03-6 | -- | -- |
| 3-Amino 6-Chloro Benzene Sulfonic Acid (6-Chloro Metanilic Acid) | 98-36-2 | 207.5 | 98% Min |
| 3-Methoxy Benzonitrile | 1527-89-5 | -- | -- |
| 4 Amino Diphenyl Sulfonic Acid (4-ADAPSA) | 91-30-5 | 264 | 90% Min |
| 4 Amino Toluene 2 Sulfonanilide | 79-72-1 | 262 | 90% Min |
| 4 Chloro 2-Amino Phenol (4-CAP) (Pharma Grade) | 95-82-2 | 143 | 99.2% Min HPLC |
| 4 Chloro Phenacyl Bromide | 536-38-9 | -- | -- |
| 4 Chloro Phenacyl Chloride | -- | -- | -- |
| 4 Chloro-3,5-Dinitro Benzene Sulfonate | 38185-06-7 | -- | -- |
| 4 Chloro-3-Aamino Acetanilide | 051867-83-5 | ||
| 4 Fluoro-2-Nitrobenzylbromide | 76437-44-0 | 234 | 95% Min HPLC |
| 4 Methoxy 3-Nitro Benzaldehyde | -- | -- | -- |
| 4 Nitro 2-Amino Phenol 6-Sulfonic Acid (4-NAPSA) | 96-67-3 | 234 | 85% Min |
| 4 Phenyl Butyric Acid | 1821-12-1 | -- | -- |
| 4 Phenyl-1-Butanol | 3360-41-6 | -- | -- |
| 5 Acetyl Methyl Salicylate | 16475-90-4 | -- | -- |
| 4 Sulfo Anthranilic Acid / 2-Amino-4-Sulfobenzoic Acid | 98-43-1 | 217 | 70% Min |
| 4(2-Chloroacetyl) Methane Sulfoanildie (4CAMS) | 64488-52-4 | -- | -- |
| 4(2-Isopropylamino Acetyl) Methane Sulfoanilide (4IAMS) | 60735-85-5 | -- | -- |
| 4-(3 Chloropropyl) Morpholine HCL | -- | -- | -- |
| 4(Acetylamino)-2-Amino Benzene Sulfonic Acid (Acetyl MPDSA) | 88-64-2 | 230 | 75% Min |
| 4(Benzlyloxy)-2-Phenyl Ethanol | 61439-59-6 | -- | -- |
| 4,4' Diamino Diphenyl Sulponamide (DASA) | 16803-97-7 | 263 | 95% Min |
| 4,4' Diamino Diphenylamine 2-Sulfonic Acid (FC Acid) | 119-70-0 | 279 | 92% Min |
| 4,4' Diaminodiphenyl 2, 2' Disulfonic Acid (BDSA) | 117-61-3 | 344 | 75% Min |
| 4,4-Bis(2-Amino-Benzenesulfonyl) Bisphenol Ester | 68015-60-1 | 538 | 90% Min |
| 4,4-Diamino Diphenyl Sulphone | 80-08-0 | 248.3 | 99% Min |
| 4-Aceto-Amido 5-Hydroxy 2,7 Naphthalene Disulfonic Acid | 16698-16-1 | 361 | 65% Min |
| 4-Amino Toluene 2 Sulfonanilide | 79-72-1 | ||
| 4-Amino-5-Chloro 2,1,3-Benzothiadiazole | 115398-34-0 | 185.63 | 98% Min |
| 4-Aminoacetanilide | 122-80-5 | 150 | 97.5% Min |
| 4-Aminoacetanilide | 122-80-5 | 150 | 97.5% Min |
| 4-Benzoylamino 5-Naphthol 2:7 Disulfonic Acid (N-Benzoyl H-Acid) | 117-46-4 | 423 | 60% Min |
| 4-Bromo Butyronitrile | 5332-06-9 | 148 | 98% Min |
| 5 Acetyl Methyl Salicylate | 16475-90-4 | -- | -- |
| 5 Acetyl Salisalamide | 40187-51-7 | -- | -- |
| 5 Methoxy Tryptamine | 608-07-1 | -- | -- |
| 5 Nitro 2-Amino Phenol (5-NAP) | 121-88-0 | 154 | 90% Min |
| 5 Sulfo Anthranilic Acid | 3577-63-7 | 217 | 85% Min |
| 5-Amino-4-Hydroxybenzene-1,3-Disulfonic Acid (OAP 4,6 DSA) | 83763-34-2 | 269 | 65% Min |
| 5-Nitro 2-Amino Phenol | 121-88-0 | 154 | 98.5% Min |
| 6-Acetylamine 2-Aminophenol 4-Sulphonic Acid (6-Acetyl OAPSA) | 40306-75-0 | 246 | 90% Min |
| 6-Nitro-2-Amino Phenol 4-Sulfonic Acid (6 NAPSA) | 96-93-5 | 234 | 70% Min |
| 7 Amino 1 Naphthol-3,6 Disulfonic Acid (2R Acid) | 90-40-4 | 319 | 80% Min |
| Acetyl H-Acid | 16698-16-1 | 361 | 60% Min |
| Alpha Tetralone | 529-34-0 | 146 | 98% Min |
| Aniline 2, 5 Disulfonic Acid | 98-44-2 | 253 | 80% Min |
| Benzaldehyde Ortho Sulfonic Sodium Salt (for Optical Whiteners) | 1008-72-6 | -- | -- |
| Benzene, (4-Bromo Butyl) or Phenyl Butyl Bromide | 13633-25-5 | -- | -- |
| Benzoyl H-Acid | 117-46-4 | 423 | 59% Min |
| Benzoyl J-Acid | 132-87-6 | 343 | 40% Min |
| Bithionol Sulfoxide | 844-26-8 | ### | -- |
| Broenner's V.S. (V.S. of Broenner's Acid) | 52218-35-6 | 251 | 92% Min |
| Chloranil | 118-75-2 | -- | -- |
| Choline Bicarbonate | 78-73-9 | -- | 45%~ 55% |
| Chromotropic Acid | 129-96-4 | 364 | 70% Min |
| Cobalt Sulphate | 10124-43-3 | -- | 20.5% Min |
| Copper Formazone of 4 Sulfo Anthranilic (4-Sulfo Formazone Base) | 77840-01-8 | 594 | 60% Min |
| Diethyl Safranine | 4569-86-2 | -- | -- |
| Diketone (Atorvastatin Intermediate) | 125971-96-2 | -- | -- |
| Dimethylamine Hydrochloride | 506-59-2 | 81.55 | 99% Min |
| Dimethylglyoxime | 95-45-5 | 116 | 94% Min |
| Diphenyl Methyl Thio Acetamide | 68524-30-1 | ||
| European K Acid | 130-23-4 | 319.3 | 75% Min |
| Fast Red 3GL Base | 89-63-4 | ||
| Formamidine Acetate | 3473-63-0 | 104 | 98% Min |
| Gamma Acid (Special Grade for light colors) | 90-51-7 | 239 | 92% Min |
| Glycolic Acid (Technical Grade) | 79-14-1 | 76.1 | 70% Min |
| Indole-2-Carboxylic Acid | 1477-50-5 | -- | -- |
| ISO Amino J-Acid | -- | 303 | 65% Min |
| Isobutyl Benzene | 538-93-2 | 134 | 99.5% Min |
| Meta Sulphophenyl Gamma Acid (MSPG) | 25251-42-7 | 395 | 65% Min |
| Metanilic Acid | 121-47-1 | 173 | 98% Min |
| N-(6-(4-Phenyl Butoxy) Hexyl) Benzenemethanamine | 97664-55-6 | -- | -- |
| N,N-Dimethyl Amino Benzophenone | 530-44-9 | -- | -- |
| N-Acetyl J-Acid | 6334-97-0 | 281 | 80% Min |
| Naphthalene-1,5-Disulphonic Acid (Armstrong Acid) | 81-04-9 | 288 | 90% Min |
| Naphthalene-2-Sulfanide-3-Amino-6,8-Disulfonic Acid | -- | -- | 99% Min HPLC |
| N-Bromo Succinimide | 128-08-5 | -- | -- |
| N-Ethoxycarbonyl 4-Piperidone | 29976-53-2 | 171 | 97% Min |
| N-Methyl Gamma Acid | 6259-53-6 | 253 | 90% Min |
| N-Methyl J-Acid | 22346-43-6 | 253 | 80% Min |
| N-Phenyl J-Acid | 119-40-4 | 315 | 70%Min |
| Ortho Amino Phenol 4 Sulphonic Acid (OAPSA) | 98-37-3 | 189 | 90%Min |
| Ortho Dianisidine Base (Fast Blue B Base) (OD Base) | 119-90-4 | 244 | 95%Min |
| O-Tolidine Base | 119-93-7 | 212 | 70% Min |
| Oxalacetic Acid Diethyl Ester Sodium Salt | 40876-98-0 | 210.16 | 98%Min |
| P-Amino Acetanilide | 122-80-5 | -- | -- |
| Pamoic Acid | 130-85-8 | 388.36 | 98.5% Min |
| Para Amino Azo Benzene 3,4-Disulfonic Acid | 101-50-8 | 357 | 85%Min |
| Para Amino Azo Benzene 4-Sulphonic Acid (PAABSA) | 104-23-4 | 277 | 90% Min |
| Para Amino Benzoyl H-Acid | 6505-37-7 | -- | -- |
| Para Nitro Aniline Ortho Sulphonic Acid (PNAOSA) | 96-75-3 | 218 | 80%Min |
| Para Phenylenediamine 2-Sulphonic Acid (PPDOSA) | 88-45-9 | 188 | 98% Min |
| Para Nitro Chloro Benzene(PNCB) | 100-00-5 | 157.56 | 99.5% Min |
| Para Phenylene Diamine (PPD) | 106-50-3 | -- | 99.5% Min |
| P-Carboxy Phenyl Gamma Acid | 741486-49-2 | 359 | 96%Min |
| PCS (3-Amino 6-Chloro Benzene Sulfonic Acid) (4-Chloro Metanilic Acid) | 88-43-7 | ||
| Phenylo Boronic Acid | 98-80-6 | 98%Min | |
| Phloro Glucinol Dihydrate | 6099-90-7 | -- | -- |
| Phosphorous Penta Sulphide | 1314-80-3 | 222 | 99%Min |
| P-Toluene Sulphonic Acid | 6192-52-5 | 99%Min | |
| Pyridine 3-Sulfonic Acid | 636-73-7 | 159.166 | 99% Min |
| Pyridine Sulfur Trioxide Complex | 26412-87-3 | -- | 97% Min |
| R.W. Acid / Di J-Acid / Rhoduline Acid | 87-03-6 | 461 | 50%Min |
| Racemic Sertraline HCL | 79617-89-13 | -- | -- |
| Resist Salt (Granules and Powder) | 127-68-4 | 225 | 96% Min |
| Safranine O | 477-73-6 | -- | -- |
| Sodium Methanesulphinate | 20277-69-4 | 102.09 | 88%Min |
| Toluene 2,5-Diamino Sulfate | 615-50-9 | 220 | 94%Min |
| Veratronitrile | 2024-83-1 | -- | -- |
| Vinyl Sulphone Ester (Benzanilide Base) | 20241-68-3 | 320 | 95% Min |
| Vinyl Sulphone Ester 2,5 Dimethoxy Aniline Base (2,5 DMAVS) | 26672-24-2 | 341 | 92%Min |
| Vinyl Sulphone Ester Ortho Anisidine Base (OAVS) | 10079-20-6 | 311 | 95% Min |
| Vinyl Sulphone Ester Para Cresidine Base (PCVS) | 21635-619-8 | 325 | 95%Min |