CAS Registry Number

CAS 24915-95-5 — Ethyl (R)-(-)-3-hydroxybutyrate

Ethyl (R)-(-)-3-hydroxybutyrate is a chiral organic ester derived from 3-hydroxybutyric acid, widely used in flavor and fragrance synthesis, chiral building blocks for pharmaceutical intermediates, and as a metabolic intermediate in polyhydroxyalkanoate (PHA) research. This compound is a clear, colorless liquid with a mild ester-like odor, soluble in most organic solvents but insoluble in water. Catalogue details: CAS 24915-95-5, optical rotation [α]D²⁰ –10° to –12° (neat), purity ≥98% (GC), and no signal word under CLP/GHS classification. Molekula supplies Ethyl (R)-(-)-3-hydroxybutyrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.