Description

Ethyl Methanesulfonylacetate is a versatile and high-purity organic synthesis intermediate, primarily valued for its role as a key building block in complex chemical transformations. Its importance lies in its unique functional groups, which enable its use in the synthesis of pharmaceuticals, agrochemicals, and advanced materials. This compound is essential for R&D chemists and production facilities in the pharmaceutical, fine chemical, and specialty chemical industries seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific sulfonyl and ester functionalities.
• Agrochemical Synthesis: Used in the development and production of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in multi-step organic synthesis for creating complex molecules in research and development laboratories.
• Material Science Research: Serves as a monomer or modifying agent in the development of specialty polymers and functional materials.
• Cross-Coupling Reactions: Acts as a substrate or reagent in palladium-catalyzed and other metal-mediated coupling reactions.
• Chemical Derivatization: Utilized for introducing the methanesulfonylacetate moiety into target molecules to alter solubility or reactivity.

Basic Information

Item	Details
Product Name	Ethyl Methanesulfonylacetate
CAS No.	4455-15-6
Molecular Formula	C6H10O5S
Molecular Weight	194.21 g/mol
Synonyms	Ethyl (methylsulfonyl)acetate; Acetic acid, (methylsulfonyl)-, ethyl ester; Ethyl 2-(methylsulfonyl)acetate; Ethyl methanesulphonylacetate; EMSA; (Methylsulfonyl)acetic acid ethyl ester; 2-(Methanesulfonyl)acetic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl Methanesulfonylacetate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by HPLC, identification by IR and NMR spectroscopy, and impurity profiling. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support your quality assurance protocols.

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 flame. The container should be kept tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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