Description

S-Propylcysteine CAS NO 1115-93-1 is a sulfur-containing amino acid derivative, specifically the S-propyl thioether of cysteine. This compound serves as a valuable chiral building block and biochemical research tool, offering a unique structural motif for modifying peptides and studying enzyme mechanisms. It is primarily utilized by research institutions and pharmaceutical companies engaged in drug discovery, proteomics, and the development of novel biochemical probes.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly those targeting cysteine proteases or requiring specific thioether functionalities.
• Biochemical Research: Used as a substrate or inhibitor in enzymatic studies to investigate the activity and specificity of enzymes like cysteine desulfurases or transferases.
• Peptide Modification: Incorporated into synthetic peptides to introduce stable thioether linkages, altering their stability, conformation, and biological activity.
• Nutritional Science Studies: Employed in metabolic pathway research to understand the biological processing of sulfur-containing amino acid derivatives.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in chromatographic analyses within pharmaceutical and research laboratories.

Basic Information

Product Name	S-Propylcysteine
CAS No.	1115-93-1
Molecular Formula	C6H13NO2S
Molecular Weight	163.24 g/mol
Synonyms	S-Propyl-L-cysteine; (R)-2-Amino-3-(propylthio)propanoic acid; L-Cysteine, S-propyl-; Propylcysteine; 3-(Propylthio)-L-alanine; NSC 113928; 1115-93-1; S-Propyl cysteine
EINECS	214-232-3

Quality Control

Our S-Propylcysteine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and other critical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (L-Isomer)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.