(2E)-3-(2,3-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one CAS 358656-55-0

Purity 97%+In StockPharmaceutical Standards
CAS No.358656-55-0
Molecular FormulaC18H18O4
Molecular Weight298.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2E)-3-(2,3-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one CAS 358656-55-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 298.33 g/mol gives (2E)-3-(2,3-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(2E)-3-(2,3-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one (CAS 358656-55-0) is a high-purity analytical reference standard with the molecular formula C18H18O4 and a molecular weight of 298.33 g/mol.

Based on its molecular formula C18H18O4, (2E)-3-(2,3-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 298.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 (2E)-3-(2,3-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-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 FormulaC18H18O4
Molecular Weight298.33 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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