CAS Registry Number

CAS 56816-01-4 — Ethyl (S)-(+)-3-hydroxybutyrate

Ethyl (S)-(+)-3-hydroxybutyrate is a chiral building block and key intermediate in organic synthesis, widely used in the production of pharmaceuticals, agrochemicals, and chiral catalysts. It serves as a precursor for polymers and biologically active compounds, including studies in metabolic research. This high-purity ester has a CAS number of 56816-01-4, requires no signal word under standard classifications, and is supplied as a clear liquid with ≥98% purity by HPLC. Molekula supplies Ethyl (S)-(+)-3-hydroxybutyrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.