Description

Ethyl 2-Cyano-3-Methylpent-2-Ene-1-Oate is a versatile α,β-unsaturated cyanoester building block, valued for its reactive dienophile and Michael acceptor properties. This compound is essential for synthesizing complex heterocyclic structures and fine chemicals through cycloaddition and conjugate addition reactions. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material industries for constructing novel molecular scaffolds.

Application

• Pharmaceutical Intermediates: Key building block for the synthesis of pyridine, pyrimidine, and other nitrogen-containing heterocycles with potential biological activity.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, leveraging its reactivity to form complex ester and nitrile functionalities.
• Diels-Alder Reactions: Acts as a proficient dienophile in [4+2] cycloadditions to construct six-membered carbocyclic and heterocyclic rings.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for specialty polymers, contributing to thermal stability and specific functional group integration.
• Fine Chemical Production: Intermediate in the manufacture of dyes, pigments, and flavor/fragrance compounds requiring specific cyano-ester backbones.
• Material Science Research: Utilized in developing organic semiconductors and non-linear optical (NLO) materials due to its electron-withdrawing conjugate system.

Basic Information

Product Name	Ethyl 2-Cyano-3-Methylpent-2-Ene-1-Oate
CAS No.	759-51-3
Molecular Formula	C9H13NO2
Molecular Weight	167.21 g/mol
Synonyms	2-Cyano-3-methyl-2-pentenoic acid ethyl ester; Ethyl 2-cyano-3-methyl-2-pentenoate; 3-Methyl-2-cyano-2-pentenoic acid ethyl ester; 2-Pentenoic acid, 2-cyano-3-methyl-, ethyl ester; Ethyl (2E)-2-cyano-3-methylpent-2-enoate; NSC 3349; Ethyl α-cyano-β-methyl-β-ethylacrylate
EINECS	212-067-5

Quality Control

Our Ethyl 2-Cyano-3-Methylpent-2-Ene-1-Oate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and we support compliance with REACH and other global regulatory frameworks.

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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption and potential decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.4580 - 1.4620
Density (g/mL, 20°C)	0.980 - 1.010

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