C9H18ClNO2
207.7 g/mol
Pharmaceutical IntermediateWarning
Tert-Butyl L-prolinate hydrochloride
CAS5497-76-7EC226-835-2
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
Tert-Butyl L-prolinate hydrochloride is a pharmaceutical intermediate primarily used in peptide synthesis. It is the hydrochloride salt form of the tert-butyl ester of L-proline, commonly employed as a building block in the preparation of peptides and related compounds.
Pharmaceutical intermediate for peptide synthesisBuilding block in peptide 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.
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Related Compounds
StrongSame Parent
Tert-Butyl L-prolinate
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research compound
ReferenceSame Category
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ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Tert-Butyl L-prolinate hydrochloride (CAS 5497-76-7) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
tert-butyl (2S)-pyrrolidine-2-carboxylate;hydrochloride
InChIKey
IUUYANMOEMBTBV-FJXQXJEOSA-N
SMILES
CC(C)(C)OC(=O)[C@@H]1CCCN1.Cl
Synonyms (21)
- H-Pro-OtBu hydrochloride
- H-Pro-OtBu.HCl
- L-Proline t-Butyl Ester HCl
- Pro-OtBu HCl
- tert-Butyl L-prolinate HCl
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