Description

2-Methylpropane-2-Sulfinic Acid Methyl Ester is a specialized organosulfur compound that serves as a valuable synthetic intermediate. Its core value proposition lies in its role as a versatile building block for introducing the tert-butylsulfinyl group, a key chiral auxiliary and protecting group in asymmetric synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries who require high-purity intermediates for the development of active pharmaceutical ingredients (APIs) and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block in the asymmetric synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Chiral Auxiliary: Used as a tert-butylsulfinyl-based chiral auxiliary for the stereoselective synthesis of amines and other important chiral compounds.
• Fine Chemical Synthesis: Employed in the research and production of advanced organic compounds, including ligands, catalysts, and specialty materials.
• Asymmetric Catalysis: Serves as a precursor for ligands and reagents used in enantioselective catalytic reactions.
• Chemical Research & Development: A critical reagent for academic and industrial R&D labs exploring new synthetic methodologies and reaction pathways.

Basic Information

Product Name	2-Methylpropane-2-Sulfinic Acid Methyl Ester
CAS No.	52056-71-0
Molecular Formula	C5H12O2S
Molecular Weight	136.21 g/mol
Synonyms	Methyl 2-Methylpropane-2-sulfinate; tert-Butylsulfinyl Methyl Ester; Methyl tert-Butylsulfinate; Methyl tert-Butyl Sulfinate; 2-Methyl-2-propanesulfinic Acid Methyl Ester; tert-Butyl Methyl Sulfinate; (CH3)3CS(O)OCH3
EINECS	Contact for details

Quality Control

Our 2-Methylpropane-2-Sulfinic Acid Methyl Ester is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. All products undergo rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR). A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. This compound is easily oxidized; ensure containers are properly sealed after each use to minimize exposure to air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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