Description

(3-Methoxy-Phenyl)-Propynoic Acid Ethyl Ester is a specialized organic ester building block featuring a methoxyphenyl and a propynoate functional group. This compound matters as a versatile intermediate for synthesizing more complex molecules in fine chemical and pharmaceutical research. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material industries for constructing novel chemical entities.

Application

• Pharmaceutical Intermediate: Key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly those requiring a substituted phenylacetylene scaffold.
• Agrochemical Synthesis: Used as a building block for creating novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Research: Serves as a precursor in the synthesis of advanced organic electronic materials and liquid crystal compounds.
• Organic Synthesis & Catalysis: Employed in cross-coupling reactions, such as Sonogashira coupling, and as a substrate for developing new catalytic methodologies.
• Flavor & Fragrance Chemistry: Potential intermediate for the synthesis of complex aromatic esters used in specialty fragrance compositions.

Basic Information

Product Name	(3-Methoxy-Phenyl)-Propynoic Acid Ethyl Ester
CAS No.	58686-72-9
Molecular Formula	C₁₂H₁₂O₃
Molecular Weight	204.22 g/mol
Synonyms	Ethyl 3-(3-Methoxyphenyl)propiolate; 3-Methoxyphenylpropiolic Acid Ethyl Ester; Ethyl (3-Methoxyphenyl)propynoate; 3-Methoxybenzeneacetic Acid, α-Ethynyl-, Ethyl Ester; Ethyl 3-Methoxyphenylpropiolate; m-Methoxyphenylpropiolic Acid Ethyl Ester; Ethyl m-Methoxyphenylpropiolate
EINECS	Contact for details

Quality Control

Our (3-Methoxy-Phenyl)-Propynoic Acid Ethyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided. For long-term storage, consider keeping the container under an inert atmosphere such as nitrogen or argon.

Specification

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