2-Oxo-2H-pyran-5-carbonyl chloride CAS 23090-18-8

Purity 97%+In StockPharmaceutical Standards
CAS No.23090-18-8
Molecular FormulaC6H3ClO3
Molecular Weight158.54 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Oxo-2H-pyran-5-carbonyl chloride CAS 23090-18-8 chemical structure

Description

2-Oxo-2H-pyran-5-carbonyl chloride (CAS 23090-18-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H3ClO3. Molecular weight: 158.54 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC6H3ClO3
Molecular Weight158.54 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentCl-containing

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