Description

Lanthionine is a non-proteinogenic amino acid, a thioether analog of cystine, with the CAS registry number 3183-08-2. This sulfur-containing compound is a key structural component in certain natural peptides and serves as a valuable biochemical research tool. It is primarily utilized by researchers and manufacturers in the life sciences, pharmaceutical development, and advanced material sectors. Its unique structure makes it a critical building block for studying protein cross-linking and developing novel biomaterials.

Application

• Biochemical Research: Used as a standard and reagent in studies of sulfur amino acid metabolism, protein structure, and lanthipeptide biosynthesis.
• Pharmaceutical Intermediates: Serves as a key chiral building block in the synthesis of novel therapeutic peptides and protease inhibitors.
• Nutritional Science: Investigated for its potential role and effects in specialized nutritional formulations and metabolic studies.
• Cosmetic Ingredients: Explored for use in high-end skincare products for its potential skin-conditioning and antioxidant properties.
• Material Science: Acts as a monomer or cross-linking agent in the development of bio-based polymers and hydrogels.
• Analytical Standards: Employed as a certified reference material (CRM) in HPLC, LC-MS, and amino acid analysis for accurate quantification.

Basic Information

Product Name	Lanthionine
CAS No.	3183-08-2
Molecular Formula	C6H12N2O4S
Molecular Weight	208.23 g/mol
Synonyms	(2R,2'R)-2,2'-(Disulfanediyl)bis(2-aminopropanoic acid); L-Lanthionine; 3,3'-Thiodialanine; (R,R)-Lanthionine; 2-Amino-2-carboxyethylthioalanine; NSC 33418; Alanine, 3,3'-thiodi-; beta,beta'-Diamino-beta,beta'-dicarboxydiethyl sulfide
EINECS	221-695-0

Quality Control

Our Lanthionine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis for stereochemical integrity, and residual solvent screening. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We can supply material compliant with various pharmacopeial standards (e.g., USP, EP) for specific project requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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