Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing L-Tyrosine, N-[(1,1-dimethylethoxy)carbonyl]-?
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N-(tert-Butoxycarbonyl)-L-phenylalanine
pharmaceutical intermediate
Sourcing L-Tyrosine, N-[(1,1-dimethylethoxy)carbonyl]-?
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This compound is a protected derivative of L-tyrosine in which the amino group is blocked by a tert-butoxycarbonyl (Boc) group. It is primarily used as a building block in 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.
The international HS code for L-Tyrosine, N-[(1,1-dimethylethoxy)carbonyl]- (CAS 3978-80-1) 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)-3-(4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid
CNBUSIJNWNXLQQ-NSHDSACASA-N
CC(C)(C)OC(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)O