5-methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride CAS 342405-38-3

Purity 97%+In StockPharmaceutical Standards
CAS No.342405-38-3
Molecular FormulaC10H19ClN2O2S
Molecular Weight266.79 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride CAS 342405-38-3 chemical structure

Description

5-methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride (CAS 342405-38-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H19ClN2O2S. Molecular weight: 266.79 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H19ClN2O2S
Molecular Weight266.79 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
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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