Description

Cyclopentaneacetic Acid, -α-,-α-,2-Trimethyl-3-Oxo-, Methyl Ester (9Ci) is a specialized organic ester compound with a complex cyclopentane backbone, identified by CAS number 845739-55-1. This chemical serves as a valuable high-purity intermediate and building block in advanced synthetic chemistry, enabling the creation of complex molecular architectures. It is primarily sought after by pharmaceutical R&D and fine chemical synthesis teams for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly for complex small molecules.
• Fine Chemical Synthesis: Used as a specialized building block for synthesizing complex esters, fragrances, and flavor compounds.
• Agrochemical Research: Employed in the development of advanced active ingredients and plant growth regulators.
• Material Science: Acts as a precursor in the synthesis of specialized polymers and advanced organic materials.
• Academic & Industrial R&D: A critical reagent for methodological studies and process chemistry in both university and corporate laboratories.

Basic Information

Item	Details
Product Name	Cyclopentaneacetic Acid, -α-,-α-,2-Trimethyl-3-Oxo-, Methyl Ester (9Ci)
CAS No.	845739-55-1
Molecular Formula	C11H18O3
Molecular Weight	198.26 g/mol
Synonyms	Methyl 2,2-dimethyl-3-oxo-1-cyclopentaneacetate; Methyl 2,2-dimethyl-3-oxocyclopentaneacetate; 1-Cyclopentaneacetic acid, 2,2-dimethyl-3-oxo-, methyl ester; 2,2-Dimethyl-3-oxocyclopentaneacetic acid methyl ester; 3-Oxo-2,2-dimethylcyclopentaneacetic acid methyl ester; Cyclopentaneacetic acid, 2,2-dimethyl-3-oxo-, methyl ester
EINECS	Contact for details

Quality Control

Our Cyclopentaneacetic Acid, -α-,-α-,2-Trimethyl-3-Oxo-, Methyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

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 organic solvents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

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