[(3-Benzyl-4-methyl-2-oxo-2H-chromen-7-yl)oxy]-acetic acid CAS 327043-38-9

Purity 97%+In StockPharmaceutical Standards
CAS No.327043-38-9
Molecular FormulaC19H16O5
Molecular Weight324.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

[(3-Benzyl-4-methyl-2-oxo-2H-chromen-7-yl)oxy]-acetic acid CAS 327043-38-9 chemical structure

Description

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.

[(3-Benzyl-4-methyl-2-oxo-2H-chromen-7-yl)oxy]-acetic acid (CAS 327043-38-9) is a high-purity analytical reference standard with the molecular formula C19H16O5 and a molecular weight of 324.33 g/mol.

[(3-Benzyl-4-methyl-2-oxo-2H-chromen-7-yl)oxy]-acetic acid (C19H16O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures [(3-Benzyl-4-methyl-2-oxo-2H-chromen-7-yl)oxy]-acetic 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.

Physical & Chemical Properties

Molecular FormulaC19H16O5
Molecular Weight324.33 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
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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