N'-[(1E)-(2-Chlorophenyl)methylidene]-3-(3,4-dimethylphenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide CAS 478045-75-9

Purity 97%+In StockPharmaceutical Standards
CAS No.478045-75-9
Molecular FormulaC24H19ClN4O2
Molecular Weight430.89 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N'-[(1E)-(2-Chlorophenyl)methylidene]-3-(3,4-dimethylphenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide CAS 478045-75-9 chemical structure

Description

High-purity N'-[(1E)-(2-Chlorophenyl)methylidene]-3-(3,4-dimethylphenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 478045-75-9) pharmaceutical standards reference standard. Molecular formula: C24H19ClN4O2. Molecular weight: 430.89 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC24H19ClN4O2
Molecular Weight430.89 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4

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