Description

Cyclopentane, 1-Isocyanato-1-Methyl-3-(1-Methylethyl)-, cis-(+)- (9Ci) is a specialized, high-purity isocyanate derivative of cyclopentane. This compound is valued as a critical chiral building block and intermediate in advanced organic synthesis, enabling the production of complex molecules with specific stereochemistry. It is primarily utilized by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and functional materials.

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 in the production of advanced pesticides and herbicides where specific isomer activity is required.
• Polymer & Resin Modification: Serves as a reactive monomer or cross-linking agent for producing specialty polyurethanes, coatings, and adhesives with tailored properties.
• Chemical Research & Development: An essential reagent in academic and industrial R&D for exploring new synthetic methodologies and creating complex organic architectures.
• Liquid Crystal & Electronic Materials: Potential intermediate in the synthesis of advanced organic materials for electronic applications.

Basic Information

Product Name	Cyclopentane, 1-Isocyanato-1-Methyl-3-(1-Methylethyl)-, cis-(+)- (9Ci)
CAS No.	141185-77-5
Molecular Formula	C10H15NO
Molecular Weight	165.23 g/mol
Synonyms	cis-(+)-1-Isocyanato-1-methyl-3-(1-methylethyl)cyclopentane; (1R,3S)-1-Isocyanato-1-methyl-3-(propan-2-yl)cyclopentane; (+)-cis-1-Methyl-3-isopropyl-1-isocyanatocyclopentane; Isocyanatoisopropylmethylcyclopentane; 1-Methyl-3-(1-methylethyl)-1-isocyanato-cyclopentane, cis-(+)-; Cyclopentane, 1-isocyanato-1-methyl-3-(1-methylethyl)-, (1R,3S)-; Chiral isocyanate cyclopentane derivative
EINECS	Contact for details

Quality Control

Our Cyclopentane, 1-Isocyanato-1-Methyl-3-(1-Methylethyl)-, cis-(+)- (9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC or GC, to ensure it meets the high standards required for sensitive synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation and maintain purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Chiral Purity (ee)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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