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Home/Compounds/Pharmaceutical Intermediate/N-Boc-N'-Fmoc-L-ornithine
C25H30N2O6
454.5 g/mol
Pharmaceutical IntermediateWarning

(2S)-2-{[(tert-butoxy)carbonyl]amino}-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoic acid

CAS150828-96-9EC967-905-9
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a protected ornithine derivative used as an intermediate in solid-phase peptide synthesis. It features both Boc and Fmoc protecting groups, enabling selective deprotection during peptide chain assembly.

Building block for peptide synthesisIntermediate in pharmaceutical manufacturing

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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(23S,50S)-50-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-23-(tert-butoxycarbonyl)-2,2-dimethyl-4,21,26,35,44-pentaoxo-3,30,33,39,42-pentaoxa-22,27,36,45-tetraazahenpentacontan-51-oic acid

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N-Boc-N'-Fmoc-D-2,3-diaminopropionic acid

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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.

Read more

Safety Reference

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

(2S)-5-(9H-fluoren-9-ylmethoxycarbonylamino)-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid

InChIKey

YEBWACZYMHWWEK-NRFANRHFSA-N

SMILES

CC(C)(C)OC(=O)N[C@@H](CCCNC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13)C(=O)O

Synonyms (13)
  • Boc-L-Orn(Fmoc)-OH
  • Boc-Orn(Fmoc)-OH
  • N2-Boc-N5-Fmoc-D-ornithine
  • N2-Boc-N5-Fmoc-L-ornithine

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