Description

Methyl 3-(4-Ethynylphenyl)Propanoate is a specialized aromatic ester building block featuring both an ethynyl and an ester functional group. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules in advanced material and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for applications in polymer cross-linking, click chemistry, and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel drug candidates, particularly for targeted therapies.
• Polymer & Material Science: Used as a monomer or cross-linking agent in the synthesis of specialty polymers, resins, and advanced materials with tailored properties.
• Agrochemical Synthesis: Employed in the research and development of new pesticides and herbicides.
• Click Chemistry: The terminal alkyne group makes it an ideal substrate for Huisgen cycloaddition (copper-catalyzed azide-alkyne cycloaddition) reactions.
• Liquid Crystal & OLED Research: Acts as a building block for creating conjugated systems and organic semiconductors.
• Chemical Biology Probes: Utilized in the synthesis of molecular probes for studying biological processes.

Basic Information

Product Name	Methyl 3-(4-Ethynylphenyl)Propanoate
CAS No.	1068471-18-0
Molecular Formula	C₁₂H₁₂O₂
Molecular Weight	188.22 g/mol
Synonyms	3-(4-Ethynylphenyl)propanoic acid methyl ester; Methyl 3-(4-ethynylphenyl)propionate; Methyl 4-ethynylhydrocinnamate; 4-Ethynylbenzenepropanoic acid methyl ester; Methyl β-(4-ethynylphenyl)propionate; 1068471-18-0; Methyl 3-(p-ethynylphenyl)propanoate
EINECS	Contact for details

Quality Control

Every batch of Methyl 3-(4-Ethynylphenyl)Propanoate is produced under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality system is designed to support cGMP and ISO standards for research and development 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 strong oxidizing agents and heat sources. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.