CAS Registry Number

CAS 83643-84-9 — Methyl 4,4,4-trifluoroacetoacetate

Methyl 4,4,4-trifluoroacetoacetate is a fluorinated β-keto ester widely used as a building block in organic synthesis, particularly for introducing trifluoromethyl groups in pharmaceuticals and agrochemicals. It serves as a key intermediate in the preparation of fluorinated compounds due to its reactive keto and ester functionalities. This chemical has a CAS number of 83643-84-9, a molecular formula of C5H5F3O3, and a molecular weight of 170.0866 g/mol. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies Methyl 4,4,4-trifluoroacetoacetate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.