4-Acetyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)benzenesulfonamide CAS 494189-46-7

Purity 97%+In StockPharmaceutical Standards
CAS No.494189-46-7
Molecular FormulaC18H17N3O3S
Molecular Weight355.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Acetyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)benzenesulfonamide CAS 494189-46-7 chemical structure

Description

CATO supplies 4-Acetyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)benzenesulfonamide (CAS 494189-46-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H17N3O3S. Molecular weight: 355.41 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H17N3O3S
Molecular Weight355.41 g/mol
Purity97%+
StorageStore at 2-8°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
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

Recommended Standards

Why CATO?