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Home/Compounds/Pharmaceutical Intermediate/L-Proline benzyl ester hydrochloride
C12H16ClNO2
241.71 g/mol
Pharmaceutical IntermediateWarning

Benzyl L-prolinate HCl

CAS16652-71-4EC240-700-5
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate

Benzyl L-prolinate HCl is a salt form of the benzyl ester of L-proline, commonly used as a pharmaceutical intermediate in the synthesis of proline derivatives. It is a white to off-white crystalline powder with properties typical of an amino acid ester hydrochloride.

Pharmaceutical intermediate for proline derivativesLaboratory reagent in 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.

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4,6-Dichloronicotinonitrile

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Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for Benzyl L-prolinate HCl (CAS 16652-71-4) 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

benzyl pyrrolidine-2-carboxylate;hydrochloride

InChIKey

NEDMOHHWRPHBAL-UHFFFAOYSA-N

SMILES

C1CC(NC1)C(=O)OCC2=CC=CC=C2.Cl

Synonyms (14)
  • Benzyl L-prolinate HCl
  • H-Pro-Obzl HCl
  • Pro-OBzl * Cl

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