2,4-Diphenylphthalazin-1(2H)-one CAS 36503-83-0

Purity 97%+In StockPharmaceutical Standards
CAS No.36503-83-0
Molecular FormulaC20H14N2O
Molecular Weight298.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,4-Diphenylphthalazin-1(2H)-one CAS 36503-83-0 chemical structure

Description

2,4-Diphenylphthalazin-1(2H)-one (CAS 36503-83-0) is a high-purity analytical reference standard with the molecular formula C20H14N2O and a molecular weight of 298.34 g/mol.

Based on its molecular formula C20H14N2O, 2,4-Diphenylphthalazin-1(2H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 298.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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

CATO manufactures 2,4-Diphenylphthalazin-1(2H)-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 FormulaC20H14N2O
Molecular Weight298.34 g/mol
AppearancePale yellow to yellow crystalline powder
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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1967
Nitrogen Atoms2

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