3-Methyl-4-((3-methyl-5-oxo-1-phenyl-1H-pyrazol-4(5H)-ylidene)amino)-1-phenyl-1H-pyrazol-5(4H)-one CAS 909-59-1

Purity 97%+In StockPharmaceutical Standards
CAS No.909-59-1
Molecular FormulaC20H17N5O2
Molecular Weight359.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-4-((3-methyl-5-oxo-1-phenyl-1H-pyrazol-4(5H)-ylidene)amino)-1-phenyl-1H-pyrazol-5(4H)-one CAS 909-59-1 chemical structure

Description

CATO supplies 3-Methyl-4-((3-methyl-5-oxo-1-phenyl-1H-pyrazol-4(5H)-ylidene)amino)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 909-59-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H17N5O2. Molecular weight: 359.38 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H17N5O2
Molecular Weight359.38 g/mol
AppearancePale yellow to yellow crystalline powder
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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms5

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