1-(4-Methylphenyl)-1h-pyrazole-4-sulfonyl chloride CAS 1156916-73-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1156916-73-2
Molecular FormulaC10H9ClN2O2S
Molecular Weight256.71 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-Methylphenyl)-1h-pyrazole-4-sulfonyl chloride CAS 1156916-73-2 chemical structure

Description

1-(4-Methylphenyl)-1h-pyrazole-4-sulfonyl chloride (CAS 1156916-73-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H9ClN2O2S. Molecular weight: 256.71 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H9ClN2O2S
Molecular Weight256.71 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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