Ethyl 4-(3,5-dimethyl-4-methoxyphenyl)-4-oxobutyrate CAS 898751-42-3

Purity 97%+In StockPharmaceutical Standards
CAS No.898751-42-3
Molecular FormulaC16H21BrO3
Molecular Weight341.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 4-(3,5-dimethyl-4-methoxyphenyl)-4-oxobutyrate CAS 898751-42-3 chemical structure

Description

CATO manufactures Ethyl 4-(3,5-dimethyl-4-methoxyphenyl)-4-oxobutyrate 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.

CATO supplies Ethyl 4-(3,5-dimethyl-4-methoxyphenyl)-4-oxobutyrate (CAS 898751-42-3), a certified reference material (molecular formula C16H21BrO3, MW 341.24 g/mol) for analytical method development and quality control.

Structurally, Ethyl 4-(3,5-dimethyl-4-methoxyphenyl)-4-oxobutyrate (C16H21BrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 341.24 g/mol, it falls into the moderately-high-molecular-weight range. 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.

Physical & Chemical Properties

Molecular FormulaC16H21BrO3
Molecular Weight341.24 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentBr-containing

Related Ethyl Standards

Recommended Standards

Why CATO?