N-Fmoc-L-cysteine

• CAT Number: R061388
• CAS Number: 135248-89-4
• Molecular Formula: C18H17NO4S
• Molecular Weight: 343.397
• Purity: ≥95%
• Synonyms: N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-cysteine; Fmoc-L-Cys-OH; Fmoc-cysteine; N-(9-Fluorenylmethoxycarbonyl)cysteine
• Storage: -20°C
• IUPAC Name: (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-sulfanylpropanoic acid
• InChI: InChI=1S/C18H17NO4S/c20-17(21)16(10-24)19-18(22)23-9-15-13-7-3-1-5-11(13)12-6-2-4-8-14(12)15/h1-8,15-16,24H,9-10H2,(H,19,22)(H,20,21)/t16-/m0/s1
• InChIKey: RMTDKXQYAKLQKF-INIZCTEOSA-N
• SMILES: C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NC(CS)C(=O)O

N-Fmoc-L-cysteine is a derivative of L-cysteine, an amino acid with a thiol (-SH) group. N-Fmoc-L-cysteine features a fluorenylmethyloxycarbonyl (Fmoc) protecting group on the amino group, enhancing stability during peptide synthesis. This compound is utilized in solid-phase peptide synthesis to introduce L-cysteine residues into peptide chains. N-Fmoc-L-cysteine allows for controlled assembly of peptides with specific sequences and functionalities. It is commonly used in biochemical research and pharmaceutical development to produce customized peptides and peptide-based therapeutics.