Description

Cyclopentanepropanoic Acid, -α-,-α--Dimethyl--Ba--Oxo-, Methyl Ester (9Ci) is a specialized organic ester compound with the CAS number 807336-34-1. This chemical serves as a valuable building block and intermediate in advanced organic synthesis, particularly for the construction of complex molecular frameworks. It is primarily sought after by pharmaceutical R&D and fine chemical sectors for the development of novel active ingredients and functional materials.

Application

This versatile chemical intermediate enables synthesis across several high-value industries:

• Pharmaceutical Intermediates: Key building block in the synthesis of proprietary drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a precursor for specialty polymers, liquid crystals, and advanced organic electronic materials.
• Flavor & Fragrance Industry: Intermediate for creating complex ester-based aroma compounds and specialty flavors.
• Academic & Contract Research: Essential reagent for methodological development and exploratory organic chemistry in research laboratories.
• Custom Synthesis: A critical starting material for contract manufacturing organizations (CMOs) producing bespoke compounds for clients.

Basic Information

Item	Details
Product Name	Cyclopentanepropanoic Acid, -α-,-α--Dimethyl--Ba--Oxo-, Methyl Ester (9Ci)
CAS No.	807336-34-1
Molecular Formula	C11H18O3
Molecular Weight	198.26 g/mol
Synonyms	Methyl 2,2-dimethyl-3-oxo-1-cyclopentanepropanoate; 2,2-Dimethyl-3-oxocyclopentanepropanoic acid methyl ester; Methyl 2,2-dimethyl-3-oxocyclopentanepropionate; Cyclopentanepropanoic acid, 2,2-dimethyl-3-oxo-, methyl ester; 807336-34-1; Methyl (2,2-dimethyl-3-oxocyclopentyl)acetate
EINECS	Contact for details

Quality Control

Our production of Cyclopentanepropanoic Acid, -α-,-α--Dimethyl--Ba--Oxo-, Methyl Ester (9Ci) adheres to stringent quality protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR analysis, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality management system is designed to meet the exacting standards of GMP environments for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids 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 (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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