CAS Registry Number

CAS 103213-32-7 — N-(alpha)-Fmoc-S-trityl-L-cysteine

N-(alpha)-Fmoc-S-trityl-L-cysteine is a protected cysteine derivative used in peptide synthesis to prevent unwanted side reactions during chain elongation. It is a key building block for introducing cysteine residues with selective protection. CAS: 103213-32-7, Molecular Formula: C37H31NO4S, Molecular Weight: 585.71 g/mol, Storage: 2 to 8 °C. Molekula supplies N-(alpha)-Fmoc-S-trityl-L-cysteine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.