3-Methyl-4-(4-methylbenzylidene)-1-phenyl-1H-pyrazol-5(4H)-one CAS 53316-56-6

Purity 97%+In StockPharmaceutical Standards
CAS No.53316-56-6
Molecular FormulaC18H16N2O
Molecular Weight276.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-4-(4-methylbenzylidene)-1-phenyl-1H-pyrazol-5(4H)-one CAS 53316-56-6 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

3-Methyl-4-(4-methylbenzylidene)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 53316-56-6) is a high-purity analytical reference standard with the molecular formula C18H16N2O and a molecular weight of 276.33 g/mol.

Structurally, 3-Methyl-4-(4-methylbenzylidene)-1-phenyl-1H-pyrazol-5(4H)-one (C18H16N2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 276.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures 3-Methyl-4-(4-methylbenzylidene)-1-phenyl-1H-pyrazol-5(4H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H16N2O
Molecular Weight276.33 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972
Nitrogen Atoms2

Related Methyl Standards

Recommended Standards

Why CATO?