Description

Benzene, 1-Ethynyl-4-(Methylthio)- CAS NO 56041-85-1 is a specialized aromatic compound featuring both an ethynyl and a methylthio functional group, making it a valuable synthon in advanced organic synthesis. Its unique structure provides a versatile platform for constructing complex molecules, particularly in pharmaceutical and materials science research. This intermediate is essential for chemists and R&D teams developing active pharmaceutical ingredients (APIs), agrochemicals, and functional organic materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting specific receptors or requiring complex heterocyclic frameworks.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where the ethynyl group can be leveraged for further functionalization.
• Material Science: Serves as a precursor for organic electronic materials, such as semiconductors or conductive polymers, due to its conjugated system potential.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis, including those used in cross-coupling reactions.
• Chemical Biology Probes: Useful for creating tagged molecules or probes for studying biological processes, leveraging the reactivity of the alkyne group for "click chemistry" applications.
• Academic & Industrial R&D: A critical reagent for exploratory chemistry in universities and corporate research laboratories focused on organic methodology development.

Basic Information

Product Name	Benzene, 1-Ethynyl-4-(Methylthio)-
CAS No.	56041-85-1
Molecular Formula	C9H8S
Molecular Weight	148.22 g/mol
Synonyms	4-(Methylthio)phenylacetylene; 1-Ethynyl-4-(methylthio)benzene; p-(Methylthio)phenylacetylene; 4-Ethynylphenyl methyl sulfide; Methyl 4-ethynylphenyl sulfide; 4-(Methylsulfanyl)phenylacetylene; (4-(Methylthio)phenyl)ethyne
EINECS	Contact for details

Quality Control

Every batch of Benzene, 1-Ethynyl-4-(Methylthio)- is produced and tested under strict quality management protocols to ensure consistency and reliability for your critical research and production processes. We provide comprehensive analytical data including HPLC purity, GC analysis, and NMR confirmation to verify identity and quality. A detailed Certificate of Analysis (COA) is supplied with each shipment, and custom purity grades or analytical packages can be discussed to meet specific project requirements.

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). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive. Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	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.