3-Hydroxybenzene-1-sulfonyl chloride CAS 56157-93-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56157-93-8 |
| Molecular Formula | C6H5ClO3S |
| Molecular Weight | 192.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxybenzene-1-sulfonyl chloride (CAS 56157-93-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H5ClO3S. Molecular weight: 192.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H5ClO3S |
| Molecular Weight | 192.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Hydroxybenzene Standards
- 2-Hydroxybenzene-1,3,5-tricarbaldehyde (CAS 81502-74-1)
- 3-Acetyl-4-hydroxybenzene-1-sulfonamide (CAS 136081-47-5)
- 5-Hydroxybenzene-1,2,3-tricarboxylic acid (CAS 6274-40-4)
- 5-Hydroxybenzene-1,2,4-tricarboxylic acid (CAS 4961-03-9)
- 5-Acetyl-2-hydroxybenzene-1-sulfonyl chloride (CAS 66264-54-8)
- 3-Hydroxybenzene-1,2-disulfonamide (CAS 1243286-48-7)
- 2-Hydroxybenzene-1,3-disulfonamide (CAS 1243476-10-9)
- 4-Hydroxybenzene-1,3-disulfonamide (CAS 876487-13-7)
Recommended Standards
- 3-Chloropyridine-2-sulfonamide (CAS 96009-29-9)
- 4-Chloro-2-(methylsulfonyl)pyrimidine (CAS 97229-11-3)
- 3-Chlorobenzenesulfonic acid (CAS 20677-52-5)
- 1-(4-Chlorobenzyl)-1,3,4,5-tetrahydro-2H-benzo[b]azepin-2-one (CAS 303988-04-7)
- 2-[(1,3-Benzothiazol-2-yl)(methyl)amino]acetic acid (CAS 104344-92-5)
- 3-(4-Fluoro-3-methylphenyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 1255781-56-6)
- 2-Chloro-3-(difluoromethyl)-6-methylisonicotinic acid (CAS 1805178-27-1)
- 1-Chloro-3-(2,2,2-trifluoroethyl)benzene (CAS 81577-09-5)
- Racemic-(3R,3aR,7aR)-tert-butyl 3-(((benzyloxy)carbonyl)amino)hexahydropyrano[3,2-b]pyrrole-1(2H)-carboxylate (CAS 1341039-68-6)
- Neuropeptide AF (human) (CAS 192387-38-5)
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