Description

L-Methionine-13C5 is a stable isotope-labeled analog of the essential amino acid methionine, where five carbon atoms are replaced with the 13C isotope. This high-purity labeled compound is critical for advanced research requiring precise metabolic tracing and quantification. It is primarily utilized by scientists and manufacturers in pharmaceutical development, clinical research, and nutritional studies to investigate protein metabolism, amino acid uptake, and biomarker discovery.

Application

• Isotope-Labeled Internal Standards for accurate quantification in LC-MS and GC-MS analysis.
• Metabolic Pathway Tracing in biomedical and pharmacological research studies.
• Proteomics and Biomarker Research, serving as a tracer in cell culture and animal models.
• Pharmaceutical Drug Development, particularly in ADME (Absorption, Distribution, Metabolism, Excretion) studies.
• Nutritional Science Research to study methionine metabolism and requirements.
• Manufacturing of High-Value Diagnostics and reference materials for clinical testing.

Basic Information

Product Name	L-Methionine-13C5
CAS No.	202326-57-6
Molecular Formula	13C5H11NO2S
Molecular Weight	156.16 g/mol (approx.)
Synonyms	(2S)-2-Amino-4-(methylsulfanyl)butanoic acid-13C5; L-2-Amino-4-(methylthio)butyric acid-13C5; (S)-2-Amino-4-(methylthio)butanoic acid-13C5; L-Methionine (13C5); Methionine-13C5; [13C5]-L-Methionine; Labeled L-Methionine; Stable Isotope-Labeled Methionine
EINECS	Contact for details

Quality Control

Our L-Methionine-13C5 is manufactured under strict quality systems to ensure the highest isotopic and chemical purity for research applications. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing isotopic enrichment, chemical purity, and analytical results. We adhere to stringent in-house specifications designed to meet the demands of advanced analytical and biomedical research.

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) and should be handled in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Enrichment (MS)	≥ 99 atom % 13C
Optical Rotation	Specific range provided on COA
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.