Description

2-Pentenoicacid,4-(4-Methylphenyl)-,Ethylester,(2E,4S)-(9Ci) is a high-purity, stereochemically defined chiral intermediate of significant interest in advanced organic synthesis. Its precise molecular architecture makes it a valuable building block for the development of novel, optically active compounds. This product is primarily targeted at research and development laboratories and production facilities in the pharmaceutical and agrochemical sectors, where it serves as a key precursor for active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral synthon in the multi-step synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of advanced, enantiomerically pure pesticides and herbicides.
• Asymmetric Synthesis: Serves as a key starting material or intermediate in catalytic asymmetric reactions to construct complex molecules.
• Ligand and Catalyst Development: Utilized in the preparation of chiral ligands and organocatalysts for stereoselective transformations.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring high stereochemical fidelity.
• Academic and Industrial R&D: A valuable compound for methodological studies and process chemistry optimization in synthetic organic chemistry.

Basic Information

Product Name	2-Pentenoicacid,4-(4-Methylphenyl)-,Ethylester,(2E,4S)-(9Ci)
CAS No.	807331-97-1
Molecular Formula	C14H18O2
Molecular Weight	218.29 g/mol
Synonyms	(2E,4S)-Ethyl 4-(4-methylphenyl)-2-pentenoate; (2E,4S)-4-(p-Tolyl)-2-pentenoic acid ethyl ester; Ethyl (2E,4S)-4-(4-methylphenyl)pent-2-enoate; (2E,4S)-Ethyl 4-(p-tolyl)pent-2-enoate; 4-(4-Methylphenyl)-2-pentenoic acid ethyl ester, (2E,4S)-; (S,E)-Ethyl 4-(4-methylphenyl)pent-2-enoate; (2E,4S)-4-(4-Methylphenyl)-2-pentenoic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our production of 2-Pentenoicacid,4-(4-Methylphenyl)-,Ethylester,(2E,4S)-(9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high chemical purity, suitable for demanding synthetic applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles. We are committed to meeting the specific requirements of our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
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.