Ethyl 2-ethoxymethylene-4,4-difluoro-4-chloroacetoacetate CAS 182551-59-3

Description

Compared with other compounds in its class, the molecular weight of 256.63 g/mol gives Ethyl 2-ethoxymethylene-4,4-difluoro-4-chloroacetoacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Ethyl 2-ethoxymethylene-4,4-difluoro-4-chloroacetoacetate (CAS 182551-59-3), a certified reference material (molecular formula C9H11ClF2O4, MW 256.63 g/mol) for analytical method development and quality control.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, Ethyl 2-ethoxymethylene-4,4-difluoro-4-chloroacetoacetate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 256.63 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).

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

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