C21H25ClN2O4
404.9 g/mol
Pharmaceutical IntermediateWarning
(2S)-6-amino-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoic acid hydrochloride
CAS139262-23-0EC850-148-2
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate
This compound is a hydrochloride salt of Fmoc-protected L-lysine, commonly used as a building block in solid-phase peptide synthesis. Its significance lies in the Fmoc (9-fluorenylmethoxycarbonyl) group, which temporarily protects the amino group during peptide chain assembly.
Building block for solid-phase peptide synthesisPharmaceutical intermediate for research and 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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Related Compounds
StrongSame Parent
Fmoc-L-lysine
CAS105047-45-8
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.78
Benzyl (2S)-6-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)hexanoate;hydrochloride
CAS159551-46-9
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.77
N-fmoc-L-norleucine
CAS77284-32-3
research compound
ReferenceSame Category
2-Methoxy-2-oxoethyl [2-(2,6-dichloroanilino)phenyl]acetate
CAS139272-66-5
pharmaceutical intermediate
ReferenceSame Category
2-Ethoxy-2-oxoethyl [2-(2,6-dichloroanilino)phenyl]acetate
CAS139272-67-6
pharmaceutical intermediate
ReferenceSame Category
Aceclofenac Tert-Butyl Ester
CAS139272-68-7
pharmaceutical intermediate
ReferenceSame Category
1-Boc-4-[methoxy(methyl)carbamoyl]piperidine
CAS139290-70-3
pharmaceutical intermediate
Referencestereoisomer of
N2-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-lysine hydrochloride
CAS201002-47-3
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 (2S)-6-amino-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoic acid hydrochloride (CAS 139262-23-0) 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)-6-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)hexanoic acid;hydrochloride
InChIKey
MVMZFAIUUXYFGY-FYZYNONXSA-N
SMILES
C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)N[C@@H](CCCCN)C(=O)O.Cl
Synonyms (17)
- Fmoc-L-Lys-OH hydrochloride
- Fmoc-L-lysine HCl
- Fmoc-L-lysine hydrochloride
- Fmoc-Lys-HCL
- Fmoc-Lys-OH hydrochloride
- Fmoc-Lys-OH.HCl
- Fmoc-lysine hydrochloride
- N2-Fmoc-L-lysine HCl
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