Description

S-n-Hexyl-D-Cysteine is a chiral, sulfur-containing amino acid derivative featuring an n-hexyl thioether side chain. This specialized compound is valued for its role as a key building block and chiral auxiliary in advanced organic synthesis and pharmaceutical research. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral synthon in the research and development of new drug candidates, particularly those targeting enzyme inhibition or requiring specific stereochemistry.
• Peptide Chemistry: Used in the synthesis of modified peptides and peptidomimetics, where the hexyl side chain can influence lipophilicity and membrane permeability.
• Catalyst Ligand Precursor: Acts as a precursor for chiral ligands in asymmetric catalysis, enabling the production of enantiomerically pure compounds.
• Biochemical Research: Employed in studies of enzyme mechanisms, protein structure-function relationships, and as a substrate analog in metabolic pathway investigations.
• Agrochemical Synthesis: Utilized in the development of novel, chiral active ingredients for crop protection products.
• Flavor & Fragrance Industry: Potential use as an intermediate for creating sulfur-containing flavor compounds.

Basic Information

Product Name	S-n-Hexyl-D-Cysteine
CAS No.	121961-52-2
Molecular Formula	C9H19NO2S
Molecular Weight	205.32 g/mol
Synonyms	D-Cysteine, S-hexyl-; (R)-2-Amino-3-(hexylthio)propanoic acid; (R)-2-Amino-3-(hexylsulfanyl)propanoic acid; S-Hexyl-D-cysteine; D-3-(Hexylthio)alanine; (2R)-2-Amino-3-(hexylsulfanyl)propanoic acid; S-n-Hexyl-D-cysteine; S-Hexyl-(R)-cysteine
EINECS	Contact for details

Quality Control

Our S-n-Hexyl-D-Cysteine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and specific impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccant or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee (D-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.