6,8-Dichloro-4-oxo-4H-chromene-3-carbonitrile CAS 72798-32-4

Purity 97%+In StockPharmaceutical Standards
CAS No.72798-32-4
Molecular FormulaC10H3Cl2NO2
Molecular Weight240.04 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6,8-Dichloro-4-oxo-4H-chromene-3-carbonitrile CAS 72798-32-4 chemical structure

Description

6,8-Dichloro-4-oxo-4H-chromene-3-carbonitrile (CAS 72798-32-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H3Cl2NO2. Molecular weight: 240.04 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H3Cl2NO2
Molecular Weight240.04 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Halogen ContentCl-containing
Nitrogen Atoms1

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