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1,2-DI-TERT-BUTYL (2S,4S)-4-HYDROXYPYRROLIDINE-1,2-DICARBOXYLATE
pharmaceutical intermediate
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This compound is a protected amino acid derivative used in peptide synthesis. It features a pyrrolidine ring with hydroxyl and ester functional groups, with its stereochemistry defined for specific synthetic applications.
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 (2S,4R)-4-HYDROXYPYRROLIDINE-1,2-DICARBOXYLIC ACID 1-TERT-BUTYL ESTER 2-METHYL ESTER (CAS 74844-91-0) 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.
1-O-tert-butyl 2-O-methyl (2S,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate
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