4-Oxo-4H-pyrano[3,2-b]benzofuran-2-carboxylic acid CAS 42373-13-7

Purity 97%+In StockPharmaceutical Standards
CAS No.42373-13-7
Molecular FormulaC12H6O5
Molecular Weight230.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Oxo-4H-pyrano[3,2-b]benzofuran-2-carboxylic acid CAS 42373-13-7 chemical structure

Description

4-Oxo-4H-pyrano[3,2-b]benzofuran-2-carboxylic acid (CAS 42373-13-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H6O5. Molecular weight: 230.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H6O5
Molecular Weight230.17 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 methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969

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