Benzo[d]isoxazole-5-sulfonyl chloride CAS 16331-62-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16331-62-7 |
| Molecular Formula | C7H4ClNO3S |
| Molecular Weight | 217.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzo[d]isoxazole-5-sulfonyl chloride (CAS 16331-62-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H4ClNO3S. Molecular weight: 217.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Azido-benzenesulfonyl chloride (CAS 15001-44-2)
- Pyrazolo[1,5-a]pyrimidine-3-sulfonyl chloride (CAS 1642583-15-0)
- [1,2,4]Triazolo[1,5-a]pyridine-7-sulfonyl chloride (CAS 1431877-58-5)
- H-Leu-βNA (CAS 732-85-4)
- 4-(Methylsulfanyl)benzyl methyl sulfide (CAS 16155-11-6)
- tert-Butyl 2,4-dioxo-7-oxa-1,3,10-triazaspiro[4.6]undecane-10-carboxylate (CAS 2791275-43-7)
- 1,3-Dimethyl 5-(2-chloroacetamido)benzene-1,3-dicarboxylate (CAS 198488-19-6)
- Methyl 2,2-dimethyl-3-(4-nitrophenyl)propanoate (CAS 1384980-40-8)
- 3-[4-(4-Morpholinyl)benzylidene]-2,4-pentanedione (CAS 1353499-84-9)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com