C18H17NO4
311.3 g/mol
Pharmaceutical IntermediateWarning
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-alanine
CAS35661-39-3EC252-660-6
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate
This compound is a building block used in peptide synthesis, featuring an Fmoc protecting group and an alanine-like backbone with an aromatic fluorene ring system. Its structure includes a carboxylic acid, an ether linkage, and multiple rings, making it suitable for solid-phase peptide synthesis.
Peptide synthesis reagentFmoc-protected amino acid derivative for solid-phase 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
StrongSame Parent
N-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-L-alanine--water (1/1)
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pharmaceutical intermediate
StrongStructure SimilarSimilarity 0.90
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-alanyl-L-alanine
CAS87512-31-0
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.76
Fmoc-D-Valine
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ApplicationSame Use
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Fmoc-N-Methyl-L-alanine
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pharmaceutical intermediate
ApplicationSame Use
N-Fmoc-S-trityl-L-homocysteine
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ApplicationSame Use
N-(9-Fluorenylmethyloxycarbonyl)-N'-trityl-D-asparagine
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ReferenceSame Category
N-(fluorenyl-9-methoxycarbonyl)leucine
CAS35661-60-0
pharmaceutical intermediate
Related Reading
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-alanine (CAS 35661-39-3) 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)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
InChIKey
QWXZOFZKSQXPDC-NSHDSACASA-N
SMILES
C[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
Synonyms (25)
- (S)-Fmoc-alanine
- (s)-n-fmoc-alanine
- FMOC-ALA-OH,NONHYDRATE
- FMOC-ALANINE
- FMOC-L-ALA
- FMOC-L-ALA-OH
- FMOC-L-alpha-Alanine
- FMOCAlaOH Novabiochem
- Fmoc-Ala
- Fmoc-Ala-OH
- Fmoc-L-alanine
- Fmoc-L-alanine,max.6%H2O
- N-Fmoc-L-alanine
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