(E)-3-(4-oxo-4H-chromen-3-yl)acrylic acid CAS 42059-58-5

Purity 97%+In StockPharmaceutical Standards
CAS No.42059-58-5
Molecular FormulaC12H8O4
Molecular Weight216.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-3-(4-oxo-4H-chromen-3-yl)acrylic acid CAS 42059-58-5 chemical structure

Description

High-purity (E)-3-(4-oxo-4H-chromen-3-yl)acrylic acid (CAS 42059-58-5) pharmaceutical standards reference standard. Molecular formula: C12H8O4. Molecular weight: 216.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC12H8O4
Molecular Weight216.19 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969

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