Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing L-Asparagine, N2-[(1,1-dimethylethoxy)carbonyl]-?
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Boc-L-aspartic acid 4-tert-butyl ester
pharmaceutical intermediate
L-Alanine benzyl ester 4-toluenesulfonate
pharmaceutical intermediate
Sourcing L-Asparagine, N2-[(1,1-dimethylethoxy)carbonyl]-?
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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.
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.
The international HS code for L-Asparagine, N2-[(1,1-dimethylethoxy)carbonyl]- (CAS 7536-55-2) is 2924.19.
2924.19
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.
(2S)-4-amino-2-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxobutanoic acid
FYYSQDHBALBGHX-YFKPBYRVSA-N
CC(C)(C)OC(=O)N[C@@H](CC(=O)N)C(=O)O