2-(5-Oxo-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid CAS 5855-68-5

Purity 97%+In StockPharmaceutical Standards
CAS No.5855-68-5
Molecular FormulaC15H12N2O4S
Molecular Weight316.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(5-Oxo-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid CAS 5855-68-5 chemical structure

Description

CATO supplies 2-(5-Oxo-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 5855-68-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H12N2O4S. Molecular weight: 316.33 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC15H12N2O4S
Molecular Weight316.33 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.)1958
Nitrogen Atoms2
Sulfur Atoms1

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