Benzo[d]oxazole-7-sulfonyl chloride CAS 1781899-50-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1781899-50-0 |
| Molecular Formula | C7H4ClNO3S |
| Molecular Weight | 217.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Benzo[d]oxazole-7-sulfonyl chloride (CAS 1781899-50-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H4ClNO3S. Molecular weight: 217.63 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNO3S |
| Molecular Weight | 217.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Benzo Standards
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Recommended Standards
- Pyrazolo[1,5-a]pyrimidine-3-sulfonyl chloride (CAS 1642583-15-0)
- 1,2,3-Benzoxathiazine, 6-chloro-, 2,2-dioxide (CAS 78224-92-7)
- 1H-Benzotriazole-6-sulfonyl Chloride (CAS 70938-45-3)
- (1-Bromocyclopentyl)-2-thienyl-methanone (CAS 94139-04-5)
- 4-Bromo-2,5-dimethoxy-N-(3-morpholinopropyl)benzenesulfonamide (CAS 898647-75-1)
- 4-Dimethylphosphorylindan-5-amine (CAS 2267330-89-0)
- 4-Amino-N-methyl-1H-imidazole-5-sulfonamide (CAS 749164-79-2)
- Ethyl 5-chloro-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate (CAS 288252-75-5)
- 1-(4-(Azetidin-3-yl)piperazin-1-yl)-3-methylbutan-1-one (CAS 1483414-14-7)
- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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