Description

Cyclopentaneacetic Acid, -α--Acetyl-3-Oxo-, Methyl Ester (9Ci) is a specialized organic ester compound with a complex cyclic structure, serving as a high-value synthetic intermediate. This compound matters for its role in facilitating complex organic transformations, particularly in the synthesis of advanced pharmaceutical scaffolds and fine chemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors seeking to build novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those containing complex cyclopentane or steroidal-like frameworks.
• Agrochemical Synthesis: Used in research and development for creating novel pesticides or herbicides with specific bioactive properties.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances requiring precise stereochemistry.
• Academic & Industrial Research: A valuable reagent in methodological chemistry research for studying ring-forming reactions, ester transformations, and carbonyl chemistry.
• Material Science Precursor: Potential use in developing specialized polymers or organic electronic materials with unique cyclic components.

Basic Information

Product Name	Cyclopentaneacetic Acid, -α--Acetyl-3-Oxo-, Methyl Ester (9Ci)
CAS No.	724774-84-9
Molecular Formula	C10H14O4
Molecular Weight	198.22 g/mol
Synonyms	Methyl 2-acetyl-3-oxocyclopentaneacetate; 2-Acetyl-3-oxocyclopentaneacetic acid methyl ester; Methyl (2-acetyl-3-oxocyclopentyl)acetate; Cyclopentaneacetic acid, 2-acetyl-3-oxo-, methyl ester; α-Acetyl-β-ketocyclopentaneacetic acid methyl ester
EINECS	Contact for details

Quality Control

Our Cyclopentaneacetic Acid, -α--Acetyl-3-Oxo-, Methyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor quality documentation to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

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