C9H16N2O5
232.23 g/mol
Pharmaceutical IntermediateWarning
L-Asparagine, N2-[(1,1-dimethylethoxy)carbonyl]-
CAS7536-55-2EC231-405-2
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate
N(alpha)-t-butoxycarbonyl-L-asparagine (Boc-Asn-OH) is a protected derivative of L-asparagine used as a building block in peptide synthesis. The tert-butoxycarbonyl (Boc) group protects the alpha-amino group during peptide chain assembly.
peptide synthesis intermediatebuilding block for 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 Reading
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for L-Asparagine, N2-[(1,1-dimethylethoxy)carbonyl]- (CAS 7536-55-2) is 2924.19.
HS code (international, 6-digit)
2924.19
EU CN code (8-digit)
2924 19 00
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-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxobutanoic acid
InChIKey
FYYSQDHBALBGHX-YFKPBYRVSA-N
SMILES
CC(C)(C)OC(=O)N[C@@H](CC(=O)N)C(=O)O
Synonyms (26)
- BOC-ASPARAGINE
- Boc- Asn-OH
- Boc-Asn-OH, >=98.5% (T)
- Boc-L-Asn-OH
- Boc-L-asparagine
- N-BOC-L-ASPARAGINE
- N-a-t-Boc-asparagine
- N-alpha-Boc-L-asparagine
- tert-Butoxycarbonylasparagine
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