1-((4-Chlorophenyl)sulfonyl)-3,5-dimethyl-4-((phenylsulfonyl)methyl)-1H-pyrazole CAS 321574-42-9

Purity 97%+In StockPharmaceutical Standards
CAS No.321574-42-9
Molecular FormulaC18H17ClN2O4S2
Molecular Weight424.92 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-((4-Chlorophenyl)sulfonyl)-3,5-dimethyl-4-((phenylsulfonyl)methyl)-1H-pyrazole CAS 321574-42-9 chemical structure

Description

CATO supplies 1-((4-Chlorophenyl)sulfonyl)-3,5-dimethyl-4-((phenylsulfonyl)methyl)-1H-pyrazole (CAS 321574-42-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H17ClN2O4S2. Molecular weight: 424.92 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H17ClN2O4S2
Molecular Weight424.92 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

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