3-(3,4-Diethoxybenzylidene)-5-methyldihydrofuran-2(3H)-one CAS 93159-61-6

Purity 97%+In StockPharmaceutical Standards
CAS No.93159-61-6
Molecular FormulaC16H20O4
Molecular Weight276.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(3,4-Diethoxybenzylidene)-5-methyldihydrofuran-2(3H)-one CAS 93159-61-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 276.33 g/mol gives 3-(3,4-Diethoxybenzylidene)-5-methyldihydrofuran-2(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(3,4-Diethoxybenzylidene)-5-methyldihydrofuran-2(3H)-one (CAS 93159-61-6) is a high-purity analytical reference standard with the molecular formula C16H20O4 and a molecular weight of 276.33 g/mol.

Based on its molecular formula C16H20O4, 3-(3,4-Diethoxybenzylidene)-5-methyldihydrofuran-2(3H)-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 276.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC16H20O4
Molecular Weight276.33 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983

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