Description

(Z)-4-Undecenoic Acid Ethyl Ester is a high-purity, unsaturated fatty acid ester characterized by its specific cis-configuration at the double bond. This compound serves as a valuable chemical intermediate and building block for synthesizing more complex molecules in fine chemical and pharmaceutical research. It is primarily sought by R&D chemists and manufacturers in the flavor & fragrance, pharmaceutical, and agrochemical sectors for its unique structural properties.

Application

• Flavor and Fragrance (F&F) Ingredient: Used as a synthetic intermediate or a component in creating fruity, waxy, or creamy aroma profiles.
• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Synthesis: Employed in the research and development of novel pesticides, herbicides, or plant growth regulators.
• Organic Synthesis & Research: Acts as a versatile reagent in organic chemistry for studies involving cross-coupling, hydrogenation, or other functional group transformations.
• Liquid Crystal and Advanced Material Precursor: Investigated for use in the synthesis of organic compounds with specific liquid crystalline properties.

Basic Information

Product Name	(Z)-4-Undecenoic Acid Ethyl Ester
CAS No.	39944-81-5
Molecular Formula	C₁₃H₂₄O₂
Molecular Weight	212.33 g/mol
Synonyms	Ethyl (Z)-4-Undecenoate; Ethyl (Z)-4-Hendecenoate; (Z)-4-Undecenoic Acid Ethyl Ester; 4-Undecenoic Acid, Ethyl Ester, (Z)-; Ethyl 4-Undecenoate (cis-); cis-4-Undecenoic Acid Ethyl Ester; (Z)-Ethyl 4-Undecenoate; 4-Undecenoic Acid Ethyl Ester (cis)
EINECS	Contact for details

Quality Control

Our (Z)-4-Undecenoic Acid Ethyl Ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure high chemical purity, correct isomeric composition, and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee compliance with your research and production specifications.

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 heat sources and open flame. For long-term storage, consider holding under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Isomeric Purity (Z-isomer)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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