Description

2-Propynoicacid,3-(5-Ethoxy-3-Pyridinyl)-,Ethylester(9Ci) is a specialized pyridine derivative and a high-purity synthetic intermediate of significant interest in advanced organic synthesis. Its molecular architecture, featuring both ethoxy and propynoate functional groups, makes it a versatile building block for constructing complex heterocyclic systems and active pharmaceutical ingredients (APIs). This compound is essential for R&D and production teams in the pharmaceutical and agrochemical sectors seeking to develop novel compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological or oncological pathways.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis Building Block: Employed in academic and industrial research for constructing complex molecules via reactions at its alkyne and ester functionalities.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in catalytic processes and material science.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in related manufacturing processes.

Basic Information

Product Name	2-Propynoicacid,3-(5-Ethoxy-3-Pyridinyl)-,Ethylester(9Ci)
CAS No.	445492-11-5
Molecular Formula	C13H13NO3
Molecular Weight	231.25 g/mol
Synonyms	Ethyl 3-(5-ethoxy-3-pyridinyl)-2-propynoate; 3-(5-Ethoxypyridin-3-yl)propiolic acid ethyl ester; 5-Ethoxy-3-pyridinylpropiolic acid ethyl ester; 2-Propynoic acid, 3-(5-ethoxy-3-pyridinyl)-, ethyl ester; Ethyl (5-ethoxy-3-pyridin-3-yl)propiolate; 445492-11-5; 3-(5-Ethoxy-3-pyridyl)propiolic acid ethyl ester
EINECS	Contact for details

Quality Control

Our production of 2-Propynoicacid,3-(5-Ethoxy-3-Pyridinyl)-,Ethylester(9Ci) adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines
Water Content (KF)	≤ 0.5%

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