2881-63-2 3-(4-Chlorophenyl)-3-oxopropanoic acid ethyl ester Ethyl (4-chlorobenzoyl)acetate Ethyl 3-(4-chlorophenyl)-3-oxopropanoate NSC 406743 CAS 2881-63-2

Purity 97%+In StockPharmaceutical Standards
CAS No.2881-63-2
Molecular FormulaC11H17ClO3
Molecular Weight232.70 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2881-63-2 3-(4-Chlorophenyl)-3-oxopropanoic acid ethyl ester Ethyl (4-chlorobenzoyl)acetate Ethyl 3-(4-chlorophenyl)-3-oxopropanoate NSC 406743 CAS 2881-63-2 chemical structure

Description

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 2881-63-2 3-(4-Chlorophenyl)-3-oxopropanoic acid ethyl ester Ethyl (4-chlorobenzoyl)acetate Ethyl 3-(4-chlorophenyl)-3-oxopropanoate NSC 406743 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 232.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

CATO supplies 2881-63-2 3-(4-Chlorophenyl)-3-oxopropanoic acid ethyl ester Ethyl (4-chlorobenzoyl)acetate Ethyl 3-(4-chlorophenyl)-3-oxopropanoate NSC 406743 (CAS 2881-63-2), a certified reference material (molecular formula C11H17ClO3, MW 232.70 g/mol) for analytical method development and quality control.

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 FormulaC11H17ClO3
Molecular Weight232.70 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Halogen ContentCl-containing

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