Description

1-Ethynyl-3-Methanesulfonylbenzene is a specialized aromatic compound featuring both an ethynyl and a methanesulfonyl functional group. This unique bifunctional structure makes it a valuable high-purity building block for advanced organic synthesis, particularly in the development of complex molecular architectures. It is primarily utilized by pharmaceutical research and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, especially for targeted therapies.
• Agrochemical Synthesis: Used in the creation of advanced pesticides and herbicides with specific modes of action.
• Material Science: Serves as a precursor for functional polymers and advanced organic electronic materials.
• Cross-Coupling Reactions: The ethynyl group is pivotal in Sonogashira and other metal-catalyzed coupling reactions to form carbon-carbon bonds.
• Ligand and Catalyst Development: Employed in the synthesis of novel ligands for catalysis and molecular recognition.
• Chemical Research: Used in academic and industrial R&D for exploring new synthetic methodologies and reaction pathways.

Basic Information

Product Name	1-Ethynyl-3-Methanesulfonylbenzene
CAS No.	573982-84-0
Molecular Formula	C9H8O2S
Molecular Weight	180.22 g/mol
Synonyms	3-Ethynylphenyl methanesulfonate; m-Ethynylphenyl methanesulfonate; 3-(Methanesulfonyl)phenylacetylene; 1-Ethynyl-3-(methylsulfonyl)benzene; 3-Ethynylbenzenesulfonylmethane; (3-Ethynylphenyl)methanesulfonate; Benzene, 1-ethynyl-3-(methylsulfonyl)-
EINECS	Contact for details

Quality Control

Our production of 1-Ethynyl-3-Methanesulfonylbenzene adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. All products undergo rigorous analytical testing, including HPLC, GC, and NMR, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.