Description

Methanethiol-D4 CAS NO 65871-23-0 is a deuterium-labeled isotopologue of methanethiol, where four hydrogen atoms are replaced with deuterium. This high-purity stable isotope-labeled compound is essential for advanced analytical and research applications where precise molecular tracking is required. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, agrochemical, and environmental science sectors for use as an internal standard in mass spectrometry and NMR spectroscopy.

Application

• Internal standard for the quantitative analysis of methanethiol and related sulfur compounds via Gas Chromatography-Mass Spectrometry (GC-MS).
• Tracer compound in metabolic pathway studies and biochemical research.
• Critical reagent in the development and validation of analytical methods for environmental monitoring of volatile organic sulfur compounds.
• Used in pharmaceutical research for drug metabolism and pharmacokinetics (DMPK) studies.
• Essential component in flavor and fragrance analysis, aiding in the accurate quantification of trace sulfur-containing aroma molecules.
• Reference material for NMR spectroscopy, providing a deuterated signal for structural elucidation and mechanistic studies.

Basic Information

Product Name	Methanethiol-D4
CAS No.	65871-23-0
Molecular Formula	CD3SD
Molecular Weight	56.13 g/mol
Synonyms	Deuterated Methanethiol; Methyl-d3-d1-thiol; [2H4]Methanethiol; Perdeuteromethanethiol; Thiomethyl-d4 alcohol; Methanethiol-d4; Methyl-d3 mercaptan-d; Deuterated Methyl Mercaptan
EINECS	Contact for details

Quality Control

Every batch of Methanethiol-D4 is produced and analyzed under stringent conditions to ensure exceptional isotopic and chemical purity, critical for sensitive analytical applications. Our quality assurance protocols are designed to meet the rigorous demands of research and industrial laboratories. Certificates of Analysis (COA) detailing isotopic enrichment, chemical purity, and assay results are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and gaseous nature under standard conditions, this product is typically supplied in a sealed gas cylinder or ampule and must be stored in a cool, well-ventilated area, away from heat sources and open flame. Handle and store under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Colorless gas
Identification (IR / NMR)	Conforms to structure
Isotopic Purity (D-enrichment)	≥ 99 atom % D
Chemical Purity (GC)	≥ 98.0%
Assay	≥ 99.0% (by GC)

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