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Home/Compounds/Other/(2S,3S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methylpentanoic acid
C21H23NO4
353.4 g/mol
Other

N-Fmoc-L-isoleucine

CAS71989-23-6
Category
Other
Compound Class
Peptide
Primary Use
research reagent

N-Fmoc-L-isoleucine is a protected amino acid derivative commonly employed as a research reagent in peptide synthesis. Its structure features a fluorenylmethoxycarbonyl (Fmoc) protecting group attached to the amino terminus of L-isoleucine, making it suitable for solid-phase peptide synthesis.

research reagent for peptide synthesisbuilding block in 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 0.80

Fmoc-D-Valine

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(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methylbutanoic acid

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pharmaceutical intermediate

SimilarStructure SimilarSimilarity 0.76

Fmoc-Ile-Gly-OH

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research compound

ReferenceSame Category

DDE

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research standard for DDT metabolite analysis

ReferenceSame Category

1-Methyl-1H-pyrazole-5-boronic acid

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ReferenceSame Category

N-[Hydroxy(1-{N-[hydroxy(1-{N-[hydroxy(1-tyrosylpyrrolidin-2-yl)methylidene]phenylalanyl}pyrrolidin-2-yl)methylidene]glycyl}pyrrolidin-2-yl)methylidene]isoleucine

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ReferenceSame Category

Aflatoxin B₂

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mycotoxin reference standard for research

Referencestereoisomer of

Fmoc-D-allo-isoleucine

CAS118904-37-3

research compound

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Customs Tariff Classification

The international HS code for N-Fmoc-L-isoleucine (CAS 71989-23-6) is 2924.29.

HS code (international, 6-digit)

2924.29

EU CN code (8-digit)

2924 29 70

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,3S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methylpentanoic acid

InChIKey

QXVFEIPAZSXRGM-DJJJIMSYSA-N

SMILES

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

Synonyms (26)
  • FMOC-ILE
  • FMOC-L-ILE
  • Fmoc-Ile-OH
  • Fmoc-Ile-OH, >=98.0% (T)
  • Fmoc-L-Ile-OH
  • Fmoc-L-isoleucine
  • Fmoc-lle-OH
  • N-.alpha.-Fmoc-L-isoleucine
  • N-Fmoc-L-isoleucine

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