Description

4-Cyclohexyl-4-Oxo-2-Butynoic Acid Ethyl Ester is a specialized organic ester featuring a cyclohexyl ketone and an acetylenic ester moiety, making it a valuable synthon for complex molecular construction. This compound is particularly significant for its role as a key intermediate in the synthesis of fine chemicals and active pharmaceutical ingredients (APIs). It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced material sectors for developing novel compounds.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a key precursor for creating specialty chemicals, flavors, and fragrances.
• Material Science Research: Employed in the development of advanced polymers and functional organic materials.
• Academic & R&D: Utilized in organic chemistry research for methodology development and exploring new reaction pathways.
• Cross-Coupling Reactions: The acetylenic ester functionality makes it suitable for Sonogashira and other metal-catalyzed coupling reactions.

Basic Information

Product Name	4-Cyclohexyl-4-Oxo-2-Butynoic Acid Ethyl Ester
CAS No.	54966-50-6
Molecular Formula	C₁₂H₁₆O₃
Molecular Weight	208.26 g/mol
Synonyms	Ethyl 4-cyclohexyl-4-oxobut-2-ynoate; 4-Cyclohexyl-4-oxo-2-butynoic acid ethyl ester; But-2-ynoic acid, 4-cyclohexyl-4-oxo-, ethyl ester; Ethyl 4-cyclohexyl-2-butynoate-4-one; 4-Oxo-4-cyclohexylbut-2-ynoic acid ethyl ester; 2-Butynoic acid, 4-cyclohexyl-4-oxo-, ethyl ester
EINECS	Contact for details

Quality Control

Our 4-Cyclohexyl-4-Oxo-2-Butynoic Acid Ethyl Ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
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.