Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing Fmoc-cys (acm)?
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N'-Fmoc-N-Cbz-L-Lysine
pharmaceutical intermediate
Sourcing Fmoc-cys (acm)?
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Fmoc-cys (acm) is a side-chain protected amino acid derivative used in solid-phase peptide synthesis. The Fmoc group protects the alpha-amino group while the acetamidomethyl (acm) group protects the thiol side chain of cysteine, enabling selective deprotection during peptide assembly.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for Fmoc-cys (acm) (CAS 86060-81-3) is 2930.90.
2930.90
2930 90 16
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(2R)-3-(acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
CSMYOORPUGPKAP-IBGZPJMESA-N
CC(=O)NCSC[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13