Description

Acetic Acid, (2,2,3-Trimethylcyclopentylidene)-, Ethyl Ester (9Ci) is a specialized organic ester compound with a unique cyclic structure, identified by CAS number 656236-41-8. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, offering distinct reactivity for creating complex molecular architectures. It is primarily sought by research and development teams in the pharmaceutical and fine chemical industries for applications in novel drug discovery, fragrance development, and material science.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and complex drug candidates.
• Fragrance & Flavor Synthesis: Used as a precursor for creating unique musk-like or woody odorants and specialty flavor compounds.
• Fine Chemical Production: Serves as a versatile intermediate in the multi-step synthesis of complex organic molecules for research and specialty applications.
• Material Science Research: Investigated as a monomer or modifying agent in the development of novel polymers and advanced materials.
• Agrochemical Development: Employed in research for synthesizing new crop protection agents and plant growth regulators.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and catalysis.

Basic Information

Product Name	Acetic Acid, (2,2,3-Trimethylcyclopentylidene)-, Ethyl Ester (9Ci)
CAS No.	656236-41-8
Molecular Formula	C12H20O2
Molecular Weight	196.29 g/mol
Synonyms	Ethyl (2,2,3-Trimethylcyclopentylidene)acetate; (2,2,3-Trimethylcyclopentylidene)acetic Acid Ethyl Ester; Ethyl 2-(2,2,3-Trimethylcyclopentylidene)acetate; 2-(2,2,3-Trimethylcyclopent-3-en-1-ylidene)acetic acid ethyl ester; 656236-41-8; Acetic acid, 2-(2,2,3-trimethylcyclopentylidene)-, ethyl ester
EINECS	Contact for details

Quality Control

Our Acetic Acid, (2,2,3-Trimethylcyclopentylidene)-, Ethyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP and ISO standards for research and development materials.

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 bases and incompatible materials. The container should be kept tightly sealed to prevent moisture absorption and potential degradation.

Specification

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