1,3-Benzothiazole-2-sulfonic acid CAS 941-57-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 941-57-1 |
| Molecular Formula | C7H5NO3S2 |
| Molecular Weight | 215.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1,3-Benzothiazole-2-sulfonic acid (CAS 941-57-1) pharmaceutical standards reference standard. Molecular formula: C7H5NO3S2. Molecular weight: 215.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H5NO3S2 |
| Molecular Weight | 215.25 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Benzothiazole Standards
- ethyl 1,3-benzothiazole-6-carboxylate (CAS 19989-64-1)
- Ethyl Benzothiazole-5-carboxylate (CAS 103261-70-7)
- 2-Ethyl-1,3-benzothiazole-6-carboxylic acid (CAS 17142-85-7)
- Ethyl Benzothiazole-2-carboxylate (CAS 32137-76-1)
- 1,2-benzothiazole-3-carbonyl chloride (CAS 145759-64-4)
- 1,3-Benzothiazole-2-carbonyl chloride 67748-61-2 benzo[d]thiazole-2-carbonyl chloride (CAS 67748-61-2)
- 2-Benzyl-1,3-benzothiazole (CAS 6265-94-7)
- 2757-92-8 Benzothiazole, 2-(ethylthio)- 2-(Ethylthio)benzothiazole EINECS 220-418-9 Ethyl mercaptobenzthiazole Ethylcaptax 2-Ethylmercaptobenzothiazole NSC 45348 (CAS 2757-92-8)
Recommended Standards
- 2-Anilino-5,6-dimethylpyrimidin-4(3H)-one (CAS 97041-35-5)
- 2-Benzylidene-5-ethoxy-2H-pyrrol-3(4H)-one (CAS 87643-25-2)
- 2-Amino-6-phenethylpyrimidin-4(3H)-one (CAS 6951-49-1)
- Benzyl (3R,4R)-3-amino-4-(fluoromethyl)pyrrolidine-1-carboxylate (CAS 1207853-68-6)
- 4-(2-Methyl-thiazol-4-yl)-benzoic acidhydrobromide (CAS 159887-01-1)
- 1,1-Diphenylpropane (CAS 1530-03-6)
- 5-Bromo-2-(4-bromo-2-fluorophenyl)pyrimidine (CAS 1260808-05-6)
- Cefradine Impurity 12 (CAS 26774-89-0)
- 3-Bromo-5,7-difluoroquinolin-4-amine (CAS 1065088-51-8)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com