3-Bromo-7-chloro-3,4-dihydro-2H-1-benzopyran-4-one CAS 66125-09-5

Purity 97%+In StockPharmaceutical Standards
CAS No.66125-09-5
Molecular FormulaC9H6BrClO2
Molecular Weight261.50 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Bromo-7-chloro-3,4-dihydro-2H-1-benzopyran-4-one CAS 66125-09-5 chemical structure

Description

3-Bromo-7-chloro-3,4-dihydro-2H-1-benzopyran-4-one (CAS 66125-09-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H6BrClO2. Molecular weight: 261.50 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC9H6BrClO2
Molecular Weight261.50 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Halogen ContentCl/Br-containing

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