Description

Cyclopentanol, 4-Ethylidene-2,2-Dimethyl-5-Methylene- (9Ci) is a specialized, high-purity organic compound identified by CAS NO 502497-12-3, serving as a critical building block in advanced organic synthesis. Its unique sterically hindered cyclopentanol structure with multiple functional groups makes it a valuable intermediate for creating complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical and fine chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those requiring complex, multi-cyclic core structures.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its functionalized cyclopentane ring contributes to biological activity.
• Fine Chemical Production: Serves as a versatile chiral building block for synthesizing specialty chemicals, flavors, and fragrances.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with specific thermal or mechanical properties.
• Catalyst Ligand Development: Potential framework for creating sophisticated ligand systems in asymmetric catalysis.
• Academic & Industrial R&D: A valuable reagent for methodological studies and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	Cyclopentanol, 4-Ethylidene-2,2-Dimethyl-5-Methylene- (9Ci)
CAS No.	502497-12-3
Molecular Formula	C10H16O
Molecular Weight	152.23 g/mol
Synonyms	4-Ethylidene-2,2-dimethyl-5-methylenec yclopentanol; 5-Methylene-4-ethylidene-2,2-dimethylcyclopentanol; 2,2-Dimethyl-5-methylene-4-ethylidenecyclopentanol; Cyclopentanol, 4-ethylidene-2,2-dimethyl-5-methylene-; (9CI); 4-Ethylidene-2,2-dimethyl-5-methylenec yclopentan-1-ol
EINECS	Contact for details

Quality Control

Our Cyclopentanol, 4-Ethylidene-2,2-Dimethyl-5-Methylene- (9Ci) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including GC, HPLC, and NMR, to verify identity and assay. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Purity (HPLC)	≥ 97.0%
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.