Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
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N-Cbz-cis-4-Hydroxy-L-proline methyl ester
pharmaceutical intermediate
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This compound is a protected amino acid intermediate used in peptide synthesis. It features a benzyloxycarbonyl (Cbz) protecting group on the nitrogen of 4-hydroxy-L-proline, making it a key building block for the production of modified peptides and pharmaceutical intermediates.
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 1-(Phenylmethyl) (2S,4R)-4-hydroxy-1,2-pyrrolidinedicarboxylate (CAS 13504-85-3) is 2933.99.
2933.99
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(2S,4R)-4-hydroxy-1-phenylmethoxycarbonylpyrrolidine-2-carboxylic acid
WWVCWLBEARZMAH-MNOVXSKESA-N
C1[C@H](CN([C@@H]1C(=O)O)C(=O)OCC2=CC=CC=C2)O