Description

1-Cyclopentene-1-Carboxylicacid,5-(1-Methylethyl)-,Methylester(9Ci) is a specialized organic ester building block with a unique cyclopentene core functionalized with an isopropyl group. This compound matters as a versatile chiral intermediate, enabling the synthesis of complex molecules with defined stereochemistry for advanced research and development. It is needed by pharmaceutical and agrochemical R&D teams for constructing novel active ingredients, as well as by academic and industrial chemists exploring new synthetic methodologies and material science applications.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex, stereochemically defined structures.
• Agrochemical Synthesis: Used in the development of advanced crop protection agents, including herbicides and fungicides, where its structural motif can contribute to biological activity.
• Organic Synthesis Building Block: Serves as a versatile precursor in academic and industrial laboratories for constructing complex natural products, ligands, and functional materials.
• Material Science Research: Investigated as a monomer or functional additive in the development of specialty polymers and advanced organic materials with tailored properties.
• Catalyst and Ligand Development: Employed in the synthesis of novel chiral ligands and organocatalysts for asymmetric synthesis applications.
• Flavor and Fragrance Chemistry: Potential use as an intermediate in the synthesis of complex aroma chemicals and specialty flavor ingredients.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,5-(1-Methylethyl)-,Methylester(9Ci)
CAS No.	182683-20-1
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	Methyl 5-isopropyl-1-cyclopentene-1-carboxylate; 5-Isopropyl-1-cyclopentene-1-carboxylic acid methyl ester; 1-Cyclopentene-1-carboxylic acid, 5-(1-methylethyl)-, methyl ester; Methyl 5-(propan-2-yl)cyclopent-1-ene-1-carboxylate
EINECS	Contact for details

Quality Control

Our 1-Cyclopentene-1-Carboxylicacid,5-(1-Methylethyl)-,Methylester(9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistent quality and identity. Certificates of Analysis (COA) detailing specific batch results are provided and available upon request to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.