Description

D-Methionine, 2-Hydroxy- (9Ci) is a specialized, optically active derivative of the essential amino acid methionine. This compound is significant for its role as a key chiral building block and intermediate in the synthesis of pharmaceuticals, fine chemicals, and advanced nutritional supplements. It is particularly valuable for research and production in the pharmaceutical and biotechnology sectors, where high-purity, stereochemically defined intermediates are required. The product is supplied under strict quality control to meet the demanding standards of these industries.

Application

• Pharmaceutical Intermediate: A critical chiral precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting metabolic and neurological pathways.
• Biochemical Research: Used as a standard or reagent in enzymatic studies, metabolic pathway analysis, and proteomics research.
• Nutritional Science: Investigated for use in specialized parenteral nutrition formulations and as a component in advanced amino acid supplements.
• Fine Chemical Synthesis: Serves as a building block for synthesizing complex organic molecules, peptides, and peptidomimetics in medicinal chemistry.
• Cosmetic & Personal Care: Potential application in the formulation of high-end skincare products for its role in antioxidant and protein synthesis pathways.
• Veterinary Pharmaceuticals: Used in the development of specialized feed additives and therapeutic agents for animal health.

Basic Information

Product Name	D-Methionine, 2-Hydroxy- (9Ci)
CAS No.	103063-65-6
Molecular Formula	C5H11NO3S
Molecular Weight	165.21 g/mol
Synonyms	D-2-Hydroxymethionine; (2R)-2-Amino-4-(methylsulfanyl)-2-hydroxybutanoic acid; (R)-2-Hydroxy-4-(methylthio)butyric acid; D-HMB; D-2-Hydroxy-4-methylthiobutyric acid; (R)-2-Hydroxy-4-(methylmercapto)butyric acid; 2-Hydroxy-D-methionine
EINECS	Contact for details

Quality Control

Our D-Methionine, 2-Hydroxy- (9Ci) is manufactured under a quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Specifications are designed to meet the needs of research and cGMP-guided production environments. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity, and impurity profiles is provided with every shipment.

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); the container must be kept tightly sealed 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% (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.