Description

8-Cyclopentyl-8-Oxooctanoic Acid is a high-purity, versatile keto acid building block with significant utility in advanced organic synthesis. Its unique structure, featuring a cyclopentyl ketone moiety and a terminal carboxylic acid, makes it a valuable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in medicinal chemistry and specialty chemical manufacturing.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in programs targeting metabolic and central nervous system disorders.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators, leveraging its lipophilic cyclopentyl group.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored thermal and mechanical properties.
• Organic Synthesis Reagent: Employed in multi-step synthetic routes for the preparation of complex natural products, macrocycles, and other fine chemicals.
• Bioconjugation Chemistry: The carboxylic acid functionality allows for coupling to amines, enabling its use in linker chemistry for drug delivery systems or diagnostic probes.
• Flavor & Fragrance Intermediate: Potential precursor in the synthesis of musky or amber-type odorants due to its cyclic ketone structure.

Basic Information

Product Name	8-Cyclopentyl-8-Oxooctanoic Acid
CAS No.	898766-79-5
Molecular Formula	C₁₃H₂₂O₃
Molecular Weight	226.31 g/mol
Synonyms	8-Cyclopentyl-8-oxooctanoic acid; 8-Oxo-8-cyclopentyloctanoic acid; Octanoic acid, 8-cyclopentyl-8-oxo-; 8-Cyclopentyl-8-ketooctanoic acid; 8-Cyclopentylcaprylic acid ketone; Cyclopentanecarboxylic acid, 7-carboxyheptyl ketone; 8-Cyclopentyl-8-oxo-octanoic acid
EINECS	Contact for details

Quality Control

Our 8-Cyclopentyl-8-Oxooctanoic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity for research and development applications. All products undergo rigorous analytical testing, including HPLC, NMR, and GC-MS, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

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 incompatible materials such as strong bases, strong oxidizing agents, and strong reducing agents. Due to its carboxylic acid nature, ensure proper handling to avoid contact with moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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