N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-4-methylbenzenesulfonamide CAS 78439-89-1

Purity 97%+In StockPharmaceutical Standards
CAS No.78439-89-1
Molecular FormulaC18H19N3O3S
Molecular Weight357.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-4-methylbenzenesulfonamide CAS 78439-89-1 chemical structure

Description

CATO supplies N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-4-methylbenzenesulfonamide (CAS 78439-89-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H19N3O3S. Molecular weight: 357.43 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H19N3O3S
Molecular Weight357.43 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1979
Nitrogen Atoms3
Sulfur Atoms1

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