N-Allyl-2-((3,4-dichlorophenyl)amino)-6-nitro-4-oxo-3,4-dihydroquinazoline-8-carboxamide CAS 331645-84-2

Purity 97%+In StockPharmaceutical Standards
CAS No.331645-84-2
Molecular FormulaC18H13Cl2N5O4
Molecular Weight434.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-Allyl-2-((3,4-dichlorophenyl)amino)-6-nitro-4-oxo-3,4-dihydroquinazoline-8-carboxamide CAS 331645-84-2 chemical structure

Description

N-Allyl-2-((3,4-dichlorophenyl)amino)-6-nitro-4-oxo-3,4-dihydroquinazoline-8-carboxamide (CAS 331645-84-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H13Cl2N5O4. Molecular weight: 434.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H13Cl2N5O4
Molecular Weight434.23 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms5

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