Description

Ethanone, 1,1-(2-Cyclopentene-1,4-Diyl)Bis- (9Ci) is a specialized diketone compound featuring a cyclopentene core, serving as a valuable bifunctional building block in advanced organic synthesis. Its unique structure provides two reactive carbonyl sites in a constrained geometry, making it a critical intermediate for constructing complex molecular architectures. This compound is primarily sought by R&D chemists and process development teams in the pharmaceutical and agrochemical industries for applications in heterocyclic chemistry and material science.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for fused-ring and spirocyclic systems.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides requiring specific stereochemistry.
• Ligand and Catalyst Development: Serves as a backbone for creating chelating ligands and organocatalysts in asymmetric synthesis.
• Polymer & Material Science: Monomer or cross-linking agent for specialty polymers, resins, and advanced organic materials.
• Fine Chemical Production: Intermediate in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial Research: Versatile scaffold for methodological development and exploring new chemical spaces in organic chemistry.

Basic Information

Product Name	Ethanone, 1,1-(2-Cyclopentene-1,4-Diyl)Bis- (9Ci)
CAS No.	336101-00-9
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	1,4-Diacetylcyclopentene; 1,4-Bis(acetyl)cyclopentene; 2-Cyclopentene-1,4-diyl Diacetate (misnomer, refers to diketone); 1,4-Cyclopentenediyl Diacetone; (2-Cyclopentene-1,4-diyl)bis(ethanone); 1,4-Diketocyclopentene Derivative; 1,1'-(2-Cyclopentene-1,4-diyl)diethanone
EINECS	Contact for details

Quality Control

Our Ethanone, 1,1-(2-Cyclopentene-1,4-Diyl)Bis- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed specifications for trace impurities, residual solvents, and assay results. Our quality commitment supports applications requiring GMP-grade intermediates and materials for regulatory submissions.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and reducing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Heavy Metals	≤ 10 ppm

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