CAS Registry Number

CAS 623-49-4 — Ethyl cyanoformate

Ethyl cyanoformate (CAS 623-49-4) is a reactive intermediate primarily used in organic synthesis, including the preparation of peptides, amino acid derivatives, and heterocycles via acylation or cyclization reactions. It is a colorless liquid with a pungent odor, commonly employed in research and industrial applications requiring high reactivity. This chemical has the molecular formula C4H5NO2 and a molecular weight of 99.088 g/mol. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Ethyl cyanoformate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.