C19H18N2O5
354.4 g/mol
Pharmaceutical IntermediateWarning
Fmoc-L-asparagine
CAS71989-16-7
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate
Fmoc-L-asparagine is an Fmoc-protected amino acid derivative used as a building block in solid-phase peptide synthesis. Its structure includes an amide side chain and a fluorenylmethoxycarbonyl protecting group, making it suitable for sequential assembly of peptides.
building block for solid-phase peptide synthesispreparation of cyclic peptides and peptide conjugates
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 0.81
Fmoc-L-aspartic acid
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Fmoc-Glycine
CAS29022-11-5
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ReferenceSame Category
Fmoc-L-glutamic acid 5-tert-butyl ester
CAS71989-18-9
pharmaceutical intermediate
ReferenceSame Category
N-Fmoc-N'-Boc-L-Lysine
CAS71989-26-9
pharmaceutical intermediate
Related Reading
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Fmoc-L-asparagine (CAS 71989-16-7) 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)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoic acid
InChIKey
YUGBZNJSGOBFOV-INIZCTEOSA-N
SMILES
C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)N[C@@H](CC(=O)N)C(=O)O
Synonyms (16)
- FMOC-ASN
- Fmoc-Asn-OH
- Fmoc-L-Asn-OH
- Fmoc-L-asparagine
- N-.alpha.-Fmoc-L-asparagine
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