Description

D-Methionine Sulfoxide is a specific oxidized derivative of the essential amino acid methionine, characterized by its D-configuration. This compound is a crucial chiral intermediate and research chemical, valued for its role in studying oxidative stress pathways and protein modification. It is primarily utilized by research institutions, pharmaceutical developers, and fine chemical manufacturers focused on advanced biochemical synthesis and metabolic studies.

Application

• Biochemical Research: Used as a standard or reagent in studies of protein oxidation, redox biology, and antioxidant mechanisms.
• Pharmaceutical Intermediates: Serves as a key chiral building block in the synthesis of more complex bioactive molecules and potential therapeutics.
• Metabolic Studies: Employed in research to understand the biological pathways and effects of methionine sulfoxide derivatives in vivo.
• Enzymology: Acts as a specific substrate for methionine sulfoxide reductase (Msr) enzymes in enzymatic activity assays.
• Nutritional Science: Investigated for its potential effects and bioavailability in specialized nutritional or feed applications.
• Analytical Standards: Used as a high-purity reference standard for HPLC, LC-MS, or NMR analysis in quality control laboratories.

Basic Information

Product Name	D-Methionine Sulfoxide
CAS No.	21056-56-4
Molecular Formula	C5H11NO3S
Molecular Weight	165.21 g/mol
Synonyms	(R)-2-Amino-4-(methylsulfinyl)butanoic acid; D-2-Amino-4-(methylsulfinyl)butyric acid; (R)-Methionine Sulfoxide; D-Met-O; D-MSO; (R)-Methionine S-oxide; D-Methionine S-oxide; (R)-2-Amino-4-(methanesulfinyl)butanoic acid
EINECS	Contact for details

Quality Control

Our D-Methionine Sulfoxide CAS NO 21056-56-4 is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure identity, potency, and consistency. Certificates of Analysis (COA) with detailed chromatographic data are provided and can be tailored to meet specific research or project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed in a dry environment to prevent absorption of moisture.

Specification

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