Description

Dl-Methionine-1-13C CAS NO 68799-90-6 is a stable isotope-labeled analog of the essential amino acid methionine, where a carbon-13 atom is incorporated at the 1-position of the molecule. This labeled compound is a critical tool for advanced research and analytical applications, enabling precise metabolic pathway tracing and quantitative analysis. It is primarily required by researchers and manufacturers in the fields of pharmaceutical development, nutritional science, and environmental studies who require high-purity isotopic standards.

Application

• Metabolic Research & Tracer Studies: Used as a stable isotope tracer to investigate methionine metabolism, protein synthesis, and methylation pathways in biological systems.
• Pharmaceutical Development: Employed in the research and quality control of drug compounds, particularly in pharmacokinetic and mass spectrometry-based bioanalytical methods.
• Nutritional Science: Applied in studies of amino acid utilization, bioavailability, and requirements in animal and human nutrition.
• Environmental & Agricultural Research: Utilized to trace nutrient cycles and understand the fate of methionine in complex ecosystems.
• Internal Standard for Analytical Chemistry: Serves as a high-purity internal standard for accurate quantification of methionine via techniques like GC-MS or LC-MS.
• Biochemical & Biomedical Research: A key reagent in proteomics, biomarker discovery, and studies related to homocysteine metabolism and related disorders.

Basic Information

Product Name	Dl-Methionine-1-13C
CAS No.	68799-90-6
Molecular Formula	C413CH11NO2S
Molecular Weight	150.21 g/mol (approx.)
Synonyms	DL-Methionine-1-13C; (RS)-2-Amino-4-(methylthio)butyric acid-1-13C; (±)-Methionine-1-13C; Methionine-1-13C (DL-form); 13C Labeled DL-Methionine; 1-13C-DL-Methionine; Stable Isotope Labeled Methionine; Amino Acid-13C Standard
EINECS	Contact for details

Quality Control

Our Dl-Methionine-1-13C is produced and handled under strict quality management protocols to ensure the highest isotopic and chemical purity for research applications. Each batch is characterized using advanced analytical techniques including NMR, Mass Spectrometry, and HPLC to verify isotopic enrichment, chemical identity, and purity. A comprehensive Certificate of Analysis (COA) detailing isotopic purity (atom % 13C), chemical purity, and analytical data is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to minimize exposure to atmospheric moisture. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (atom % 13C)	≥ 99%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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