Description

1-Cyclopentene-1-Carboxylic Acid, 3-Oxo- (9Ci) is a specialized, high-value organic building block featuring a cyclopentene ring fused with a carboxylic acid and a ketone functional group. This unique molecular architecture makes it a critical intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and fine chemical manufacturers for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in protease inhibitor and anti-inflammatory research.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging its reactive scaffold.
• Fine Chemical Production: Serves as a versatile precursor for specialty chemicals, flavors, and fragrances.
• Academic & Industrial R&D: Employed in organic synthesis research for methodology development and the creation of complex molecular libraries.
• Material Science: Potential monomer or cross-linking agent for developing specialty polymers with unique properties.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylic Acid, 3-Oxo- (9Ci)
CAS No.	108384-36-7
Molecular Formula	C6H6O3
Molecular Weight	126.11 g/mol
Synonyms	3-Oxo-1-cyclopentene-1-carboxylic acid; 3-Oxocyclopent-1-ene-1-carboxylic acid; 1-Carboxy-3-oxocyclopentene; 3-Oxo-1-cyclopentenecarboxylic acid; Cyclopent-1-ene-1-carboxylic acid, 3-oxo-
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxylic Acid, 3-Oxo- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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