CAS Registry Number

CAS 609-08-5 — Diethyl methylmalonate

Diethyl methylmalonate is an organic compound widely used as an intermediate in pharmaceutical synthesis, agrochemical production, and the manufacture of fine chemicals, including vitamins and fragrances. It serves as a versatile building block in organic synthesis due to its malonate functionality, enabling the formation of complex molecules through Knoevenagel condensations and alkylations. This chemical has the CAS number 609-08-5 and carries no signal word under EU CLP classification, indicating it poses no acute hazards under normal handling conditions. It is a colorless to pale yellow liquid with a mild ester-like odor, typically supplied at ≥98% purity. Molekula supplies Diethyl methylmalonate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.