6-methyl-2H-chromene-3-carboxylic acid CAS 28339-81-3

Purity 97%+In StockPharmaceutical Standards
CAS No.28339-81-3
Molecular FormulaC11H10O3
Molecular Weight190.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-methyl-2H-chromene-3-carboxylic acid CAS 28339-81-3 chemical structure

Description

CATO supplies 6-methyl-2H-chromene-3-carboxylic acid (CAS 28339-81-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H10O3. Molecular weight: 190.20 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC11H10O3
Molecular Weight190.20 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.)1965

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