CAS Registry Number

CAS 56-53-1 — Diethylstilbestrol

Diethylstilbestrol (DES) is a synthetic nonsteroidal estrogen used historically in medical treatments, veterinary applications, and as a growth promoter in livestock. It is now primarily used in research and niche industrial applications due to its regulatory restrictions. This chemical has a CAS number of 56-53-1, with the molecular formula C18H20O2 and a molecular weight of 268.3502 g/mol. It can be stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies Diethylstilbestrol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.