3-Ethyl-2,4-bis(p-methoxyphenyl)-1-pentanone CAS 74063-46-0

Purity 97%+In StockPharmaceutical Standards
CAS No.74063-46-0
Molecular FormulaC21H26O3
Molecular Weight326.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Ethyl-2,4-bis(p-methoxyphenyl)-1-pentanone CAS 74063-46-0 chemical structure

Description

3-Ethyl-2,4-bis(p-methoxyphenyl)-1-pentanone (CAS 74063-46-0), molecular formula C21H26O3 and molecular weight 326.43 g/mol, is a CATO reference standard with documented purity and traceability.

3-Ethyl-2,4-bis(p-methoxyphenyl)-1-pentanone (C21H26O3) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC21H26O3
Molecular Weight326.43 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978

Recommended Standards

Why CATO?