Description

Methyl Octadecanoate-D35 is a deuterium-labeled internal standard of methyl stearate, essential for precise quantitative analysis in mass spectrometry. This high-purity, isotopically enriched compound is critical for ensuring accuracy and reliability in research and quality control laboratories. It is primarily used by analytical chemists and researchers in the pharmaceutical, environmental, and metabolomics fields for applications requiring stable isotope dilution techniques.

Application

• Internal Standard for GC/MS and LC/MS: Used as a quantitative reference standard for the analysis of fatty acid methyl esters (FAMEs) and related lipids.
• Metabolomics and Lipidomics Research: Enables accurate profiling and quantification of stearate and other fatty acids in complex biological samples.
• Pharmaceutical Development: Supports drug metabolism and pharmacokinetic (DMPK) studies for compounds with fatty acid pathways.
• Environmental Analysis: Aids in the trace-level detection and measurement of fatty acids and esters in environmental samples.
• Food and Nutrition Science: Used in the precise analysis of fat content, composition, and metabolic studies.
• Quality Control and Method Validation: Serves as a critical component in validating analytical methods for purity and assay testing.

Basic Information

Product Name	Methyl Octadecanoate-D35
CAS No.	29823-25-4
Molecular Formula	C19D35O2
Molecular Weight	317.68 g/mol (approx.)
Synonyms	Methyl Stearate-d35; Octadecanoic-d35 acid, methyl ester; Methyl n-Octadecanoate-d35; Stearic Acid-d35 Methyl Ester; Deuterated Methyl Stearate; Methyl Ester of Stearic-d35 Acid; [2H35]-Methyl Octadecanoate
EINECS	Contact for details

Quality Control

Our Methyl Octadecanoate-D35 is manufactured under strict quality systems to ensure the highest isotopic and chemical purity required for analytical applications. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing parameters such as isotopic purity (atom % D), chemical purity (by GC or HPLC), and identity confirmation. We adhere to relevant industry standards for reference materials.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term stability, storage at 2-8°C is recommended.

Specification

Item	Specification
Appearance	White to off-white solid or waxy solid
Identification (IR / NMR)	Conforms to structure
Assay (HPLC / GC)	≥ 98.0% (Chemical Purity)
Isotopic Purity	≥ 98.0 atom % D
Chemical Purity (by GC)	≥ 99.0%

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