Description

1-Cyclopentene-1-Carboxylicacid,2-p-Methylbenzyl-(5Ci) is a specialized organic building block featuring a cyclopentene core functionalized with a carboxylic acid and a p-methylbenzyl group, offering unique steric and electronic properties for advanced synthesis. This compound matters for its role as a key chiral intermediate in the development of complex pharmaceutical molecules and fine chemicals, enabling precise structural modifications. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new generation herbicides and fungicides, where its structural motif can contribute to specific biological activity.
• Ligand & Catalyst Development: Acts as a precursor for creating specialized ligands used in asymmetric catalysis and transition metal complexes.
• Material Science: Employed in the research of advanced polymers and liquid crystals, where the rigid cyclopentene structure can influence material properties.
• Academic & Contract Research: A valuable tool for methodology development and exploring new chemical spaces in academic laboratories and CROs (Contract Research Organizations).

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,2-p-Methylbenzyl-(5Ci)
CAS No.	785814-42-8
Molecular Formula	C14H16O2
Molecular Weight	216.28 g/mol
Synonyms	2-[(4-Methylphenyl)methyl]-1-cyclopentene-1-carboxylic acid; 2-(4-Methylbenzyl)-1-cyclopentene-1-carboxylic Acid; 2-(p-Methylbenzyl)cyclopent-1-ene-1-carboxylic Acid; 1-Cyclopentene-1-carboxylic acid, 2-[(4-methylphenyl)methyl]-; 2-(4-Methylbenzylidene)cyclopentanecarboxylic acid (tautomer); 785814-42-8; 2-p-Methylbenzyl-1-cyclopentene-1-carboxylic acid
EINECS	Contact for details

Quality Control

Our 1-Cyclopentene-1-Carboxylicacid,2-p-Methylbenzyl-(5Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and process chemistry. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC), chiral purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be hygroscopic (moisture-sensitive); therefore, containers should be kept tightly sealed and under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.