2-Thiophenesulfonamide, 4-amino-5-chloro- CAS 905839-34-1

Purity 97%+In StockPharmaceutical Standards
CAS No.905839-34-1
Molecular FormulaC4H5ClN2O2S2
Molecular Weight212.68 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Thiophenesulfonamide, 4-amino-5-chloro- CAS 905839-34-1 chemical structure

Description

2-Thiophenesulfonamide, 4-amino-5-chloro- (CAS 905839-34-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5ClN2O2S2. Molecular weight: 212.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC4H5ClN2O2S2
Molecular Weight212.68 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 DMSO, DMF, methanol
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.)1987
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

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