Sourcing O-Benzyl-N-tert-butoxycarbonyl-L-threonine?
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Boc-L-aspartic acid 4-tert-butyl ester
pharmaceutical intermediate
Sourcing O-Benzyl-N-tert-butoxycarbonyl-L-threonine?
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O-Benzyl-N-tert-butoxycarbonyl-L-threonine is a protected amino acid derivative used as a building block in peptide synthesis. Its structure features a tert-butoxycarbonyl (Boc) protecting group on the amino group and a benzyl ether protecting group on the hydroxyl side chain, enabling selective incorporation into peptide chains during solid-phase or solution-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.
The international HS code for O-Benzyl-N-tert-butoxycarbonyl-L-threonine (CAS 15260-10-3) is 2924.29.
2924.29
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.
(2S,3R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylmethoxybutanoic acid
CTXPLTPDOISPTE-YPMHNXCESA-N
C[C@H]([C@@H](C(=O)O)NC(=O)OC(C)(C)C)OCC1=CC=CC=C1