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Home/Compounds/Pharmaceutical Intermediate/Fmoc-S-acetamidomethyl-L-cysteine
C21H22N2O5S
414.5 g/mol
Pharmaceutical IntermediateWarning

Fmoc-cys (acm)

CAS86060-81-3
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

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.

side-chain protected amino acid for peptide synthesisbuilding block in solid-phase peptide synthesisresearch reagent for peptide chemistry

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.

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Related Compounds

SimilarStructure SimilarSimilarity 0.74

Fmoc-S-Methyl-L-Cysteine

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research compound

ReferenceSame Category

N'-Fmoc-N-Cbz-L-Lysine

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ReferenceSame Category

(S)-(+)-3-Hydroxytetrahydrofuran

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(R)-2-Amino-3-methoxypropanoic acid hydrochloride

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ReferenceSame Category

Boc-O-Methyl-D-serine

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Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

(2R)-3-(acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid

InChIKey

CSMYOORPUGPKAP-IBGZPJMESA-N

SMILES

CC(=O)NCSC[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13

Synonyms (20)
  • Fmoc-Cys(Acm)-OH
  • Fmoc-S-acetamidomethyl-cys
  • Fmoc-cys (acm)
  • fmoc-l-cys(acm)-oh
  • fmoc-l-cysteine(acm)