7-Hydroxy-2-methyl-3-(o-tolyl)-4h-chromen-4-one CAS 315233-69-3

Purity 97%+In StockPharmaceutical Standards
CAS No.315233-69-3
Molecular FormulaC17H14O3
Molecular Weight266.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7-Hydroxy-2-methyl-3-(o-tolyl)-4h-chromen-4-one CAS 315233-69-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 266.29 g/mol gives 7-Hydroxy-2-methyl-3-(o-tolyl)-4h-chromen-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 7-Hydroxy-2-methyl-3-(o-tolyl)-4h-chromen-4-one (CAS 315233-69-3), a certified reference material (molecular formula C17H14O3, MW 266.29 g/mol) for analytical method development and quality control.

Structurally, 7-Hydroxy-2-methyl-3-(o-tolyl)-4h-chromen-4-one (C17H14O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 266.29 g/mol, it falls into the medium-molecular-weight range. 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.

CATO manufactures 7-Hydroxy-2-methyl-3-(o-tolyl)-4h-chromen-4-one 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 FormulaC17H14O3
Molecular Weight266.29 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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