Description

H-Met-D-Met-Oh CAS NO 89680-18-2 is a high-purity, synthetic dipeptide derivative composed of two methionine residues in a specific stereochemical configuration. This compound serves as a critical chiral building block and intermediate in advanced pharmaceutical synthesis and peptide research. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for developing novel therapeutic agents and conducting structure-activity relationship studies.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of complex peptide-based drugs and active pharmaceutical ingredients (APIs).
• Peptide Research & Development: Essential building block for constructing custom peptides to study biological activity, receptor binding, and metabolic stability.
• Bioconjugation & Probe Development: Used in the creation of labeled peptides for diagnostic imaging, targeted drug delivery, and biochemical assays.
• Enzyme Substrate & Inhibitor Design: Serves as a core structure for developing specific enzyme substrates or inhibitors due to its methionine content.
• Nutritional & Cosmetic Peptide Synthesis: Potential intermediate for specialized peptides used in nutraceutical and high-end cosmetic formulations.

Basic Information

Product Name	H-Met-D-Met-Oh
CAS No.	89680-18-2
Molecular Formula	C10H20N2O3S2
Molecular Weight	280.41 g/mol
Synonyms	H-Met-D-Met-OH; H-Met-D-Met; Methionyl-D-methionine; D-Methionyl-L-methionine; (2R)-2-[[(2S)-2-amino-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoic acid; Met-D-Met; MDM; L-Met-D-Met; N-(L-Methionyl)-D-methionine
EINECS	Contact for details

Quality Control

Our H-Met-D-Met-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation (IR, NMR) to ensure it meets rigorous pharmaceutical and research-grade standards. Certificates of Analysis (COA) detailing all specifications 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 desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥98.0%
Chiral Purity (HPLC)	≥99.0%
Water Content (KF)	≤1.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤20 ppm

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