Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing (4S)-4-AMINO-5-(TERT-BUTOXY)-5-OXOPENTANOIC ACID?
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Boc-N-methyl-L-valine
pharmaceutical intermediate
Sourcing (4S)-4-AMINO-5-(TERT-BUTOXY)-5-OXOPENTANOIC ACID?
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This compound is L-glutamic acid tert-butyl ester, a protected derivative of glutamic acid primarily used in peptide synthesis. It serves as a key building block for the preparation of glutamic acid-containing peptides and other amino acid derivatives in pharmaceutical manufacturing.
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 (4S)-4-AMINO-5-(TERT-BUTOXY)-5-OXOPENTANOIC ACID (CAS 45120-30-7) is 2922.49.
2922.49
2922 49 85
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(4S)-4-amino-5-[(2-methylpropan-2-yl)oxy]-5-oxopentanoic acid
QVAQMUAKTNUNLN-LURJTMIESA-N
CC(C)(C)OC(=O)[C@H](CCC(=O)O)N