CAS Registry Number

CAS 71989-23-6 — Fmoc-L-Isoleucine

Fmoc-L-Isoleucine is a protected amino acid derivative widely used in solid-phase peptide synthesis (SPPS) for building peptide chains. It combines fluorenylmethyloxycarbonyl (Fmoc) protection with the essential amino acid L-Isoleucine, enabling precise peptide assembly. CAS 71989-23-6, molecular formula C21H23NO4, molecular weight 353.41 g/mol. Store at 2–8°C. No signal word required. Molekula supplies Fmoc-L-Isoleucine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.