CAS Registry Number

CAS 5619-04-5 — DL-Serine methyl ester hydrochloride

DL-Serine methyl ester hydrochloride is a synthetic amino acid derivative used primarily in biochemical research, peptide synthesis, and as a building block for pharmaceutical intermediates. Its methyl ester form enhances solubility and reactivity in organic synthesis. This chemical has a CAS number of 5619-04-5, a molecular formula of C4H9NO2 (not C7H11N3O2—likely a typographical error), and a molecular weight of 135.15 g/mol. It is stable at ambient temperatures, requiring no special storage conditions, and carries no hazard classification under standard handling. Molekula supplies DL-Serine methyl ester hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.