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Home/Compounds/Pharmaceutical Intermediate/Fmoc-Trp(Boc)-OH
C31H30N2O6
526.6 g/mol
Pharmaceutical IntermediateWarning

Fmoc-L-Trp(Boc)-OH

CAS143824-78-6EC604-383-0
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

Fmoc-L-Trp(Boc)-OH is a protected amino acid derivative used as a building block in peptide synthesis. It features fluorenylmethoxycarbonyl (Fmoc) protection on the amino group and tert-butoxycarbonyl (Boc) protection on the indole nitrogen of tryptophan.

peptide synthesis intermediateresearch compound for pharmaceutical developmentbuilding block for solid-phase peptide synthesis

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 0.76

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ReferenceSame Category

Nortropine hydrochloride

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Related Reading

Therapeutic Peptides in 2026: This Year's Breakthroughs

2026 has been a concentrated year for peptide therapeutics. Efficacy reached a new high in late-stage trials, the obesity field moved beyond the incretins to amylin, the oral route reached weight management, and peptide-guided radioligand therapy kept advancing — each point tied to a specific 2025–2026 result.

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Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H317May cause an allergic skin reaction
H411Toxic to aquatic life with long lasting effects

Customs Tariff Classification

The international HS code for Fmoc-L-Trp(Boc)-OH (CAS 143824-78-6) is 2933.99.

HS code (international, 6-digit)

2933.99

EU CN code (8-digit)

2933 99 80

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[1-[(2-methylpropan-2-yl)oxycarbonyl]indol-3-yl]propanoic acid

InChIKey

ADOHASQZJSJZBT-SANMLTNESA-N

SMILES

CC(C)(C)OC(=O)N1C=C(C2=CC=CC=C21)C[C@@H](C(=O)O)NC(=O)OCC3C4=CC=CC=C4C5=CC=CC=C35

Synonyms (21)
  • 1-Boc-N-Fmoc-L-tryptophan
  • Fmoc-L-Trp(Boc)-OH
  • Fmoc-Trp(Boc)-OH

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