3-Methyl-1-oxo-3,4-dihydro-1H-isochromene-3-carboxylic acid CAS 633282-39-0

Purity 97%+In StockPharmaceutical Standards
CAS No.633282-39-0
Molecular FormulaC11H10O4
Molecular Weight206.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-1-oxo-3,4-dihydro-1H-isochromene-3-carboxylic acid CAS 633282-39-0 chemical structure

Description

3-Methyl-1-oxo-3,4-dihydro-1H-isochromene-3-carboxylic acid (CAS 633282-39-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10O4. Molecular weight: 206.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H10O4
Molecular Weight206.19 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985

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