Description

2,3-Methanomethionine is a specialized, high-purity synthetic amino acid derivative with the CAS registry number 143169-55-5. This compound is valued for its unique constrained bicyclic structure, which serves as a critical building block in advanced pharmaceutical research and peptide chemistry. It is primarily sought by research institutions and manufacturers in the life sciences sector for applications in drug discovery, proteomics, and the development of novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel peptide-based drugs and bioactive molecules.
• Proteomics Research: Used as a non-natural, constrained amino acid analog to study protein structure, function, and folding dynamics.
• Drug Discovery: Employed in medicinal chemistry for creating compound libraries and optimizing lead candidates with enhanced metabolic stability.
• Bioconjugation: Acts as a specialized linker or handle for site-specific protein and antibody modifications.
• Academic & Industrial R&D: Serves as a valuable reagent in biochemical and chemical biology research programs.

Basic Information

Product Name	2,3-Methanomethionine
CAS No.	143169-55-5
Molecular Formula	C6H11NO2S
Molecular Weight	161.22 g/mol
Synonyms	(2S,3S)-2-Amino-3-(methylsulfanyl)cyclopropanecarboxylic Acid; (1S,2S)-1-Amino-2-(methylthio)cyclopropanecarboxylic Acid; L-2,3-Methanomethionine; Cyclopropane Amino Acid Derivative; Constrained Methionine Analog; Bicyclic Amino Acid; NSC 339587
EINECS	Contact for details

Quality Control

Our 2,3-Methanomethionine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, chiral purity, and identity confirmation. Certificates of Analysis (COA) are available for every batch and provided upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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