Description

2-Pentenoic Acid, 3-Ethyl-4-Oxo-, (E)- (9Ci) is a specialized, high-purity organic compound with a defined stereochemistry, serving as a critical chiral building block and intermediate in advanced chemical synthesis. Its value lies in its unique molecular structure, which enables precise control over the stereochemistry of target molecules, a key requirement in modern pharmaceutical and agrochemical development. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel active ingredients with high enantiomeric purity.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of prostaglandins, leukotriene analogs, and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereochemistry is crucial for biological activity.
• Fine Chemical Building Block: Employed in asymmetric synthesis and medicinal chemistry for constructing complex molecular architectures in R&D settings.
• Flavor & Fragrance Precursor: Serves as an intermediate in the synthesis of specific flavoring agents and aroma chemicals requiring precise chemical structures.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with specific functional properties.

Basic Information

Product Name	2-Pentenoic Acid, 3-Ethyl-4-Oxo-, (E)- (9Ci)
CAS No.	155063-37-9
Molecular Formula	C7H10O3
Molecular Weight	142.15 g/mol
Synonyms	(E)-3-Ethyl-4-oxopent-2-enoic acid; trans-3-Ethyl-4-oxo-2-pentenoic acid; 3-Ethyl-4-oxo-2-pentenoic acid, (E)-; 4-Oxo-3-ethyl-2-pentenoic acid; (2E)-3-Ethyl-4-oxopent-2-enoic acid; 2-Pentenoic acid, 3-ethyl-4-oxo-, (E)-; 3-Ethyl-4-oxo-2-pentenoic acid
EINECS	Contact for details

Quality Control

Our 2-Pentenoic Acid, 3-Ethyl-4-Oxo-, (E)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for advanced synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing identity, purity, and impurity profiles. Our commitment to consistent quality and traceability supports your regulatory and process validation needs.

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). The compound may be sensitive to prolonged exposure to air and moisture; keep container tightly sealed under an inert atmosphere when not in use. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (E-isomer)
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.