Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Benzenesulfonic Acid, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Benzenesulfonic Acid impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Benzenesulfonic Acid-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Our Benzenesulfonic Acid-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Benzenesulfonic Acid Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-((ethyl(nitroso)amino)methyl)benzenesulfonic acid (D4-Ring... | Stable Isotopes | CS-O-44282 | Not Available | Enquire |
| 3-((ethyl-D5(nitroso)amino)methyl)benzenesulfonic acid | Stable Isotopes | CS-O-44281 | Not Available | Enquire |
| 4-Methyl-benzenesulfonic Acid (2E)-[(5R)-2-Methyl-5-... | Stable Isotopes | CS-T-102644 | 510753-48-7(Unlabelled) | Enquire |
| 4-Chlorobenzenesulfonic Acid-d4 Sodium Salt | Stable Isotopes | CS-T-102403 | 2514953-11-6 | Enquire |
| 4-Hydroxybenzenesulfonic Acid-13C6 | Stable Isotopes | CS-T-103123 | 98-67-9(Unlabelled) | Enquire |
| 4-Acetamidobenzenesulfonic Acid-d4 | Stable Isotopes | CS-T-46924 | 1388717-85-8 | Enquire |
| 4-Acetamidobenzenesulfonic Acid-d4 Pyridine (Major) | Stable Isotopes | CS-T-64189 | 1794782-52-7 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Benzenesulfonic Acid Isopropyl Ester | Metabolite | CS-O-07355 | 6214-18-2 | In Stock |
| Benzenesulfonic Acid Butyl Ester | Metabolite | CS-O-07353 | 80-44-4 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2,6-Difluorobenzenesulfonic acid | Impurity | CS-O-45558 | 686258-75-3 | In Stock |
| 4-(trifluoromethyl)benzenesulfonic acid | Impurity | CS-O-54958 | 109787-11-3 | Enquire |
| 4-acetamido-3-methylbenzenesulfonic acid, sodium salt | Impurity | CS-O-45635 | 102568-34-3 | Enquire |
| Benzenesulfonic Acid Ethyl Ester | Impurity | CS-O-07354 | 515-46-8 | In Stock |
| Epinephrine 5- benzenesulfonic acid | Impurity | CS-O-51550 | 2469755-95-9 | Enquire |
| Epinephrine 6-benzenesulfonic acid | Impurity | CS-O-51551 | 2731964-60-4 | Enquire |
| 2-amino-4-chloro-5-sulfamoylbenzenesulfonic acid | Impurity | CS-O-41337 | Not Available | Enquire |
| 3-Aminobenzenesulfonic acid | Impurity | CS-M-42936 | 121-47-1 | Enquire |
| 3-Amino-Benzenesulfonic Acid Ethyl Ester | Impurity | CS-P-08657 | 1071394-78-9 | Enquire |
| 3-Chlorobenzenesulfonic Acid | Impurity | CS-ZH-12583 | 20677-52-5 | Enquire |
| 3-nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesu... | Impurity | CS-O-36797 | Not Available | Enquire |
| 4-(Acetylamino)-2-aminobenzenesulfonic Acid | Impurity | CS-T-00338 | 88-64-2 | Enquire |
| 4-(Diazonium)benzenesulfonic Acid, Fluoroborate Salt | Impurity | CS-T-16977 | 2145-24-6 | Enquire |
| 4-Acetamidobenzenesulfonic Acid | Impurity | CS-T-00142 | 121-62-0 | Enquire |
| 4-acetylamino-3-chloro-5-methyl-benzenesulfonic acid | Impurity | CS-O-38191 | Not Available | Enquire |
| 4-amino-2-chloro-5-sulfamoylbenzenesulfonic acid | Impurity | CS-O-40337 | 17277-91-7 | Enquire |
| 4-Amino-3-chloro-5-methyl-benzenesulfonic acid | Impurity | CS-O-38192 | 6387-14-0 | Enquire |
| 4-Hydroxybenzenesulfonic acid | Impurity | CS-DV-02821 | 98-67-9 | Enquire |
| 4-Methylbenzenesulfonic Acid 2-[(4-Hydroxyphenyl)phenylmethy... | Impurity | CS-T-57538 | 147169-63-9 | Enquire |
| 5-(2-amino-1-hydroxyethyl)-2,3-dihydroxybenzenesulfonic acid | Impurity | CS-O-36355 | Not Available | Enquire |
| Dodecylbenzenesulfonic acid (soft type) (LAS 12) | Impurity | CS-AZ-00151 | 27176-87-0 | Enquire |
| N-Acetyl-Sulfanilic Acid Methyl Ester | Impurity | CS-P-08933 | 64704-11-6 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Hydroxy-3-mercapto-5-(tert-pentyl)benzenesulfonic acid | Intermediate | CS-O-57522 | ---- | Enquire |
| 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid | Intermediate | CS-T-02878 | 6471-78-9 | In Stock |
| 4-Methylbenzenesulfonhydrazide | Intermediate | CS-M-57930 | 1576-35-8 | In Stock |
| Propargyl Bezensulfonate | Intermediate | CS-O-31855 | 6165-75-9 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2,4,6-Trinitrobenzenesulfonic acid | Fine Chemicals | CS-DV-01267 | 2508-19-2 | In Stock |
| 3-[(Ethylamino)methyl]benzenesulfonic acid | Fine Chemicals | CS-O-58654 | 25938-58-3 | Enquire |
| 4-[(2-hydroxy-1-naphthalenyl) azo]-5-methoxy-2-methylbenzene... | Fine Chemicals | CS-RS-00127 | 61660-27-3 | In Stock |
| 4-methylbenzenesulfonic acid | Fine Chemicals | CS-BX-01316 | 104-15-4 | Enquire |
| Benzene Sulphonic Acid | Fine Chemicals | CS-O-00954 | 98-11-3 | In Stock |
| 2,3-dihydroxy-6-[(1r)-1-hydroxy-2-(methylamino)ethyl]benzene... | Fine Chemicals | CS-O-38206 | Not Available | Enquire |
| 2-Hydroxy-4-methylbenzenesulfonic acid | Fine Chemicals | CS-ZG-30096 | 22356-80-5 | Enquire |
| 3,4-dichlorobenzenesulfonic acid | Fine Chemicals | CS-ED-01136 | 939-95-7 | Enquire |
| 3,5-Dichloro-4-methylbenzenesulfonic acid | Fine Chemicals | CS-O-37842 | 2225-18-5 | Enquire |
| 4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesu... | Fine Chemicals | CS-O-40867 | 921617-76-7 | Enquire |
| 4-(Acetylamino)-3-methylbenzenesulfonic acid | Fine Chemicals | CS-O-36599 | 76382-58-6 | Enquire |
| 4,4'-(Diazoamino)dibenzenesulfonic acid | Fine Chemicals | CS-ED-01351 | 17596-06-4 | Enquire |
| 4,4'-(Hydrazine-1,2-diyl)dibenzenesulfonic acid | Fine Chemicals | CS-O-38687 | 732921-44-7 | Enquire |
| 4-[(2-hydroxy-1-naphthalenyl) azo]-5-methoxy-2-methylbenzene... | Fine Chemicals | CS-O-35822 | 779270-03-0 | Enquire |
| 4-acetamido-3-chloro-5-methylbenzenesulfonic acid | Fine Chemicals | CS-O-36600 | 408508-13-4 | Enquire |
| 4-Chloro-3-nitrobenzenesulfonic Acid | Fine Chemicals | CS-T-93330 | 121-18-6 | Enquire |
| 4-Diazobenzenesulfonic acid | Fine Chemicals | CS-MM-49711 | 305-80-6 | Enquire |
| 4-Tert-butylbenzenesulfonic acid | Fine Chemicals | CS-BX-00793 | 1133-17-1 | Enquire |
| Benzenesulfonate | Fine Chemicals | CS-ED-02303 | 3198-32-1 | Enquire |
| Benzenesulfonic acid, 4-(acetylamino)-, ethyl ester | Fine Chemicals | CS-ED-02080 | 6034-55-5 | Enquire |
| Benzenesulfonic acid, mono-C10-13-alkyl derivs., compds. ... | Fine Chemicals | CS-O-37917 | 85480-55-3 | Enquire |
| Linear alkylbenzenesulfonic acid | Fine Chemicals | CS-O-40147 | 68584-22-5 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-((ethyl(nitroso)amino)methyl)benzenesulfonic acid | Nitrosamine | CS-O-44280 | ---- | Enquire |
Stable Isotope Reagent
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Benzenesulfonic acid,4-methyl-, hydrazide-1,2,2-d3 | Stable Isotope Reagent | CS-ZH-41697 | 109333-73-5 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2,4-dinitrobenzenesulfonic acid | Building Blocks | CS-T-102299 | 89-02-1 | Enquire |
| 4-((2-chloro-4-hydroxyphenyl)diazenyl)benzenesulfonic acid | Building Blocks | CS-T-94537 | 253801-34-2 | Enquire |
| 5-(1,1-Dimethylpropyl)-2-hydroxybenzenesulfonic acid | Building Blocks | CS-O-57521 | 752958-44-4 | Enquire |
| Diazobenzenesulfonic acid | Building Blocks | CS-ED-41468 | 2154-66-7 | Enquire |
| 4-(bromomethyl)benzenesulfonic acid | Building Blocks | CS-ED-01233 | 82835-61-8 | Enquire |
| 4-Hydroxy-2-methylbenzenesulfonic Acid | Building Blocks | CS-TB-71327 | 7134-05-6 | Enquire |
| 4-Hydroxybenzenesulfonic Acid Ammonium Salt | Building Blocks | CS-T-78779 | 856777-15-6 | Enquire |