Description

L-Methionine Sulfoxide is a key oxidized derivative of the essential amino acid L-methionine. This compound is significant in biochemical research and industrial applications due to its role in oxidative stress pathways and protein modification studies. It is primarily utilized by research institutions, pharmaceutical developers, and manufacturers in the nutraceutical and cosmetic industries for its specific biochemical properties.

Application

• Biochemical Research: Used as a standard or reagent in studies of protein oxidation, redox biology, and methionine metabolism.
• Pharmaceutical Development: Investigated as a potential intermediate or active component in drug discovery, particularly for conditions related to oxidative stress.
• Cosmetic Science: Incorporated into advanced skincare formulations for research into anti-aging and antioxidant mechanisms.
• Nutraceutical Research: Studied for its potential bioactivity and role in dietary supplements focused on cellular health.
• Diagnostic Reagent Manufacturing: Serves as a raw material in producing kits and assays for clinical and research laboratories.
• Enzymology Studies: Employed as a substrate or inhibitor in enzymatic assays, particularly for methionine sulfoxide reductase.

Basic Information

Product Name	L-Methionine Sulfoxide
CAS No.	3226-65-1
Molecular Formula	C5H11NO3S
Molecular Weight	165.21 g/mol
Synonyms	(S)-2-Amino-4-(methylsulfinyl)butanoic acid; L-2-Amino-4-(methylsulfinyl)butyric acid; L-Methionine S-oxide; (S)-Methionine sulfoxide; Methionine (S)-S-oxide; H-Met(O)-OH; L-Met-O; L-MSO
EINECS	221-752-8

Quality Control

Our L-Methionine Sulfoxide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and optical rotation, to ensure it meets high-purity standards suitable for research and development. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (Optical Rotation)	[α]²⁰D: +95° to +105° (c=1 in H₂O)
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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