Description

Methyl-D3 p-Toluenesulfonate is a deuterium-labeled isotopologue of methyl p-toluenesulfonate, a versatile alkylating agent. This compound is critical for applications requiring internal standards in mass spectrometry and for mechanistic studies in organic and medicinal chemistry. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and analytical chemistry sectors for precise quantitative analysis and advanced synthetic methodologies.

Application

• Internal standard for the quantitative analysis of methyl p-toluenesulfonate and related compounds via LC-MS (Liquid Chromatography-Mass Spectrometry) and GC-MS.
• Deuterium-labeled reagent for mechanistic studies and reaction pathway elucidation in organic synthesis.
• Precursor for the synthesis of other deuterium-labeled compounds in pharmaceutical research and development.
• Use in metabolic studies and pharmacokinetic research within drug discovery programs.
• Tool compound in analytical method development and validation for regulatory compliance.
• Labeled starting material for the preparation of standards used in environmental and food safety testing.

Basic Information

Item	Details
Product Name	Methyl-D3 p-Toluenesulfonate
CAS No.	7575-93-1
Molecular Formula	C8H7D3O3S
Molecular Weight	189.24 g/mol
Synonyms	Methyl-d3 4-methylbenzenesulfonate; Deuterated Methyl Tosylate; (Methyl-d3) p-toluenesulfonate; Methyl-d3 Tosylate; Methyl-d3 p-tosylate; 4-Methylbenzenesulfonic Acid Methyl-d3 Ester; Methyl-d3 p-toluenesulphonate
EINECS	Contact for details

Quality Control

Our Methyl-D3 p-Toluenesulfonate is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and isotopic enrichment. A Certificate of Analysis (COA) detailing specifications such as assay, isotopic purity, and impurity profile is provided with every shipment to guarantee traceability and compliance with your research or production requirements.

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); ensure the container is sealed under an inert atmosphere after each use to maintain stability and prevent decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (D-content)	≥ 99.0 atom % D
Water Content (KF)	≤ 0.5%

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