CAS Registry Number

CAS 5680-86-4 — Z-Glutamic acid 5-benzyl ester

Z-Glutamic acid 5-benzyl ester is a protected amino acid derivative commonly used in peptide synthesis to introduce side-chain protection during solid-phase peptide assembly. It ensures selective functionalization while preserving the main peptide chain’s reactivity. This compound has a CAS number of 5680-86-4, with the molecular formula C12H15NO4 and a molecular weight of 237.2518. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Z-Glutamic acid 5-benzyl ester from research to bulk quantities with full documentation and ISO 9001:2015 traceability.