4-Methoxy-2-methylene-4-oxobutanoic acid CAS 7338-27-4

Purity 97%+In StockPharmaceutical Standards
CAS No.7338-27-4
Molecular FormulaC6H8O4
Molecular Weight144.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methoxy-2-methylene-4-oxobutanoic acid CAS 7338-27-4 chemical structure

Description

CATO manufactures 4-Methoxy-2-methylene-4-oxobutanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

CATO supplies 4-Methoxy-2-methylene-4-oxobutanoic acid (CAS 7338-27-4), a certified reference material (molecular formula C6H8O4, MW 144.13 g/mol) for analytical method development and quality control.

4-Methoxy-2-methylene-4-oxobutanoic acid (C6H8O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC6H8O4
Molecular Weight144.13 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1959

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