Description

Methyl Ethanesulfonate CAS NO 1912-28-3 is a versatile alkylating agent and a key building block in organic synthesis. Its primary value lies in its ability to introduce methyl groups into target molecules, making it essential for research and development in advanced chemical manufacturing. This compound is particularly critical for pharmaceutical companies, agrochemical producers, and academic research institutions developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly as a methylating agent in nucleoside and nucleotide chemistry.
• Agrochemical Synthesis: Serves as a key reagent in the production of herbicides, pesticides, and plant growth regulators.
• Organic Synthesis Reagent: Employed in laboratory-scale and industrial organic reactions for methylation and as an ethanesulfonate ester precursor.
• Biochemical Research: Utilized in molecular biology and genetic research as a model alkylating agent for studying DNA modification and mutagenesis.
• Material Science: Acts as a monomer or modifying agent in the synthesis of specialized polymers and functional materials.
• Dye and Pigment Manufacturing: Involved in the synthesis of certain colorants and photoactive compounds.

Basic Information

Product Name	Methyl Ethanesulfonate
CAS No.	1912-28-3
Molecular Formula	C3H8O3S
Molecular Weight	124.16 g/mol
Synonyms	Ethanesulfonic Acid Methyl Ester; Methyl Ethylsulfonate; Methylsulfonyl Ethane; MES; Methyl Ester of Ethanesulfonic Acid; Ethylsulfonic Acid Methyl Ester; NSC 406042
EINECS	217-625-1

Quality Control

Our Methyl Ethanesulfonate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR), and impurity profiling, to ensure it meets the high-purity standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, and we support compliance with relevant regulatory frameworks for our customers' specific applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging.

Specification

Item	Specification
Appearance	Clear Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.414 - 1.418
Density (g/mL, 20°C)	1.200 - 1.210

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