Description

Cyclopentanecarbonyl Chloride, 2-(3-Butenyl)-, cis- (9Ci) is a specialized organic intermediate featuring a reactive acid chloride group and an alkenyl side chain. This compound matters as a versatile building block for synthesizing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced materials. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce functionalized cyclopentane motifs.

Application

• Pharmaceutical Intermediate: A key synthon for constructing complex, bioactive molecules, particularly those with cyclopentane-based frameworks in drug discovery and API synthesis.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, leveraging its reactive sites for structural diversification.
• Specialty Polymer Precursor: Serves as a monomer or cross-linking agent for creating novel polymers with specific thermal or mechanical properties.
• Ligand and Catalyst Development: Employed in the synthesis of chiral ligands or organometallic catalysts for asymmetric synthesis applications.
• Fine Chemical Manufacturing: Acts as a versatile intermediate for producing flavors, fragrances, and other high-value specialty chemicals.
• Material Science Research: Utilized in developing new organic electronic materials or liquid crystals due to its functionalizable structure.

Basic Information

Product Name	Cyclopentanecarbonyl Chloride, 2-(3-Butenyl)-, cis- (9Ci)
CAS No.	118717-67-2
Molecular Formula	C10H15ClO
Molecular Weight	186.68 g/mol
Synonyms	cis-2-(3-Butenyl)cyclopentanecarbonyl chloride; (1S,2R)-2-(3-Buten-1-yl)cyclopentanecarboxylic acid chloride; 2-(3-Butenyl)cyclopentanecarboxylic acid chloride, cis-; Cyclopentanecarboxylic acid, 2-(3-butenyl)-, chloride, cis-; (1R,2S)-rel-2-(3-Buten-1-yl)cyclopentanecarbonyl chloride
EINECS	Contact for details

Quality Control

Our Cyclopentanecarbonyl Chloride, 2-(3-Butenyl)-, cis- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our commitment to quality supports compliance in cGMP and ISO 9001 environments for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, alcohols, and amines. Due to its nature as a strong acid/organic solvent, it should be handled in a fume hood. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.