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Home/Compounds/Pharmaceutical Intermediate/N-Acetyl-L-thioproline
C6H9NO3S
175.21 g/mol
Pharmaceutical IntermediateWarning

(R)-3-Acetylthiazolidine-4-carboxylic acid

CAS54323-50-1EC259-102-0
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

(R)-3-Acetylthiazolidine-4-carboxylic acid is a pharmaceutical intermediate featuring a thiazolidine ring and an acetyl protecting group. Its primary significance lies in its use as a building block for peptide synthesis and pharmaceutical manufacturing.

pharmaceutical intermediatebuilding block for 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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Related Compounds

ReferenceSame Category

4-Aminophthalic acid

CAS5434-21-9

pharmaceutical intermediate

ReferenceSame Category

4-Hydroxy-3-nitropyridine

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pharmaceutical intermediate

ReferenceSame Category

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pharmaceutical intermediate

ReferenceSame Category

2-nitro-4-(propylthio)aniline

CAS54393-89-4

pharmaceutical intermediate

Referencesame scaffold

Telmesteine

CAS122946-43-4

pharmaceutical raw material

Referencesame scaffold

Thiazolidine hydrochloride

CAS14446-47-0

research compound

Referencesame scaffold

Methylthioproline

CAS190062-99-8

pharmaceutical intermediate

Referencesame scaffold

(R)-timonacic

CAS34592-47-7

research compound

Safety Reference

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

Customs Tariff Classification

The international HS code for (R)-3-Acetylthiazolidine-4-carboxylic acid (CAS 54323-50-1) is 2934.10.

HS code (international, 6-digit)

2934.10

EU CN code (8-digit)

2934 10 00

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

(4R)-3-acetyl-1,3-thiazolidine-4-carboxylic acid

InChIKey

WXTBYSIPOKXCPM-YFKPBYRVSA-N

SMILES

CC(=O)N1CSC[C@H]1C(=O)O

Synonyms (14)
  • (R)-Aminofol
  • (R)-Folcisteine
  • (S)-Folcisteine
  • AC-L-Thz-OH
  • Ac-D-Thz-OH
  • N-acetyl-thioproline

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