Description

2-Cyclopentene-1-Carboxylic Acid, 1,2,5-Trimethyl-, trans- (9Ci) is a specialized, high-purity cyclopentene derivative carboxylic acid featuring a unique, sterically defined trans configuration and methyl substitution pattern. This compound serves as a critical chiral building block and advanced intermediate for synthesizing complex organic molecules, offering precise structural control in asymmetric synthesis. It is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-fidelity intermediates for creating novel active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in stereoselective synthesis.
• Agrochemical Synthesis: Used as a building block for creating advanced, structurally complex herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, fragrances, and performance materials.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, catalysis, and material science research.
• Ligand and Catalyst Development: The carboxylic acid functionality and chiral backbone make it suitable for developing novel chiral ligands and organocatalysts.

Basic Information

Product Name	2-Cyclopentene-1-Carboxylic Acid, 1,2,5-Trimethyl-, trans- (9Ci)
CAS No.	88907-86-2
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(1R,2S)-1,2,5-Trimethyl-2-cyclopentene-1-carboxylic acid; trans-1,2,5-Trimethyl-2-cyclopentenecarboxylic acid; 1,2,5-Trimethyl-2-cyclopentenecarboxylic acid, trans-; 2-Cyclopentenecarboxylic acid, 1,2,5-trimethyl-, (1R,2S)-rel-; 2-Cyclopentenecarboxylic acid, 1,2,5-trimethyl-, trans-; rel-(1R,2S)-1,2,5-Trimethyl-2-cyclopentenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 2-Cyclopentene-1-Carboxylic Acid, 1,2,5-Trimethyl-, trans- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC and structural confirmation by NMR and IR spectroscopy, to ensure high chemical and isomeric purity for sensitive synthetic applications. Certificates of Analysis (COA) with detailed specifications are provided for each shipment, ensuring full traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

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