6-Ethyl-2H-chromen-2-one CAS 28045-77-4

Purity 97%+In StockPharmaceutical Standards
CAS No.28045-77-4
Molecular FormulaC17H18Cl2N4O
Molecular Weight365.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Ethyl-2H-chromen-2-one CAS 28045-77-4 chemical structure

Description

6-Ethyl-2H-chromen-2-one (CAS 28045-77-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H18Cl2N4O. Molecular weight: 365.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC17H18Cl2N4O
Molecular Weight365.26 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Halogen ContentCl-containing
Nitrogen Atoms4

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