4-fluoro-2-oxo-3H-1,3-benzoxazole-6-sulfonyl chloride CAS 1500833-43-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1500833-43-1 |
| Molecular Formula | C7H9ClFNO4S |
| Molecular Weight | 257.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-fluoro-2-oxo-3H-1,3-benzoxazole-6-sulfonyl chloride (CAS 1500833-43-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H9ClFNO4S. Molecular weight: 257.67 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H9ClFNO4S |
| Molecular Weight | 257.67 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related fluoro Standards
- 5-fluoro-2-oxo-3H-1,3-benzoxazole-6-sulfonyl chloride (CAS 1368799-14-7)
- 5-fluoro-2-oxo-3H-1,3-benzoxazole-7-sulfonyl chloride (CAS 1782343-61-6)
- 4-fluoro-2-oxo-3H-1,3-benzoxazole-5-sulfonyl chloride (CAS 2387598-65-2)
- 4-fluoro-2-oxo-3H-1,3-benzoxazole-7-sulfonyl chloride (CAS 2387597-04-6)
- 5-fluoro-2-oxo-3H-1,3-benzoxazole-4-sulfonyl chloride (CAS 2387597-38-6)
- 6-fluoro-2-oxo-3H-1,3-benzoxazole-4-sulfonyl chloride (CAS 2387599-05-3)
- 6-fluoro-2-oxo-3H-1,3-benzoxazole-5-sulfonyl chloride (CAS 2387595-09-5)
- 6-fluoro-2-oxo-3H-1,3-benzoxazole-7-sulfonyl chloride (CAS 2387595-63-1)
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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