CAS Registry Number

CAS 2491-20-5 — L-Alanine methyl ester hydrochloride

L-Alanine methyl ester hydrochloride is a synthetic amino acid derivative used primarily in peptide synthesis, pharmaceutical intermediates, and flavor enhancements due to its reactivity and stability. It appears as a white crystalline solid with minimal hazard classification. CAS 2491-20-5, molecular formula CH3CH(NH2)COOCH3·HCl, molecular weight 139.58 g/mol. Store between 2–8°C in a dry, sealed container. No signal word or hazard symbols required. Molekula supplies L-Alanine methyl ester hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.