CAS Registry Number

CAS 27784-76-5 — tert-Butyl diethylphosphonoacetate

tert-Butyl diethylphosphonoacetate is an organophosphorus compound widely used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and other fine chemicals, particularly in Horner-Wadsworth-Emmons olefination reactions. It is a clear, colorless liquid with a mild odor, offering high reactivity and selectivity in organic synthesis. This chemical has a CAS number of 27784-76-5, with the molecular formula C10H21O5P and a molecular weight of 252.244501 g/mol. It can be stored safely at ambient conditions and poses no acute hazards, requiring no signal word classification. Molekula supplies tert-Butyl diethylphosphonoacetate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.