Description

Cyclopentene, 1,5-Dimethyl-3,4-Bis(Methylene)-2-(1-Methylethyl)- (9Ci) is a specialized, highly functionalized cyclopentene derivative with a unique sterically hindered structure. This compound serves as a valuable advanced intermediate in organic synthesis, particularly for the development of complex molecules in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries seeking to build novel molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring complex, polycyclic core structures.
• Agrochemical Research: Serves as a key building block for developing new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science & Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialty polymers with tailored thermal or mechanical properties.
• Organic Synthesis & Methodology Development: Employed as a challenging substrate in catalytic reactions, including cycloadditions and metathesis, to develop new synthetic methodologies.
• Fragrance & Flavor Chemistry: Potential use as a precursor for synthesizing novel terpene-like aroma compounds.

Basic Information

Item	Details
Product Name	Cyclopentene, 1,5-Dimethyl-3,4-Bis(Methylene)-2-(1-Methylethyl)- (9Ci)
CAS No.	147090-71-9
Molecular Formula	C12H18
Molecular Weight	162.27 g/mol
Synonyms	1,5-Dimethyl-3,4-bis(methylene)-2-(1-methylethyl)cyclopentene; 2-Isopropyl-1,5-dimethyl-3,4-bis(methylene)cyclopentene; 2-Isopropyl-1,5-dimethyl-3,4-dimethylenecyclopentene; 3,4-Bis(methylene)-1,5-dimethyl-2-(1-methylethyl)cyclopentene; 1,5-Dimethyl-2-isopropyl-3,4-dimethylenecyclopentene
EINECS	Contact for details

Quality Control

Our Cyclopentene, 1,5-Dimethyl-3,4-Bis(Methylene)-2-(1-Methylethyl)- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and structural identity. Certificates of Analysis (COA) detailing purity, impurity profile, and physical characteristics are provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its highly volatile nature, keep the container tightly sealed when not in use and store at recommended temperatures (typically 2-8°C or as specified on the label) to maintain stability and prevent degradation.

Specification

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