2-[(4-Methylphenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one CAS 478042-19-2

Purity 97%+In StockPharmaceutical Standards
CAS No.478042-19-2
Molecular FormulaC20H18N2O
Molecular Weight302.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-[(4-Methylphenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one CAS 478042-19-2 chemical structure

Description

2-[(4-Methylphenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one (CAS 478042-19-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H18N2O. Molecular weight: 302.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H18N2O
Molecular Weight302.37 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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