2-(4-Chlorophenyl)-5-methyloxazole-4-carbonyl chloride CAS 51655-78-8

Purity 97%+In StockPharmaceutical Standards
CAS No.51655-78-8
Molecular FormulaC11H7Cl2NO2
Molecular Weight256.08 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Chlorophenyl)-5-methyloxazole-4-carbonyl chloride CAS 51655-78-8 chemical structure

Description

2-(4-Chlorophenyl)-5-methyloxazole-4-carbonyl chloride (CAS 51655-78-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H7Cl2NO2. Molecular weight: 256.08 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC11H7Cl2NO2
Molecular Weight256.08 g/mol
AppearancePale yellow to 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 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971
Halogen ContentCl-containing
Nitrogen Atoms1

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