4-fluoro-2-oxo-3H-1,3-benzoxazole-5-sulfonyl chloride CAS 2387598-65-2

Purity 97%+In StockPharmaceutical Standards
CAS No.2387598-65-2
Molecular FormulaC7H9ClFNO4S
Molecular Weight257.67 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-fluoro-2-oxo-3H-1,3-benzoxazole-5-sulfonyl chloride CAS 2387598-65-2 chemical structure

Description

4-fluoro-2-oxo-3H-1,3-benzoxazole-5-sulfonyl chloride (CAS 2387598-65-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9ClFNO4S. Molecular weight: 257.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H9ClFNO4S
Molecular Weight257.67 g/mol
Purity97%+
StorageStore 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
StabilityMay 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 AbsorptionUV-absorbing
CAS Registry Year (est.)1999
Halogen ContentF/Cl-containing
Nitrogen Atoms1
Sulfur Atoms1

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