Description

1-Cyclopentene-1-Carboxylicacid,5-Hydroxy-,Methylester(9Ci) is a specialized organic building block featuring a cyclopentene ring functionalized with both carboxylic acid ester and hydroxyl groups, making it a versatile intermediate for advanced synthesis. This compound is valued for its unique stereochemistry and reactivity, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of novel therapeutic agents, particularly for complex small-molecule drugs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its specific ring structure contributes to biological activity.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other high-value specialty chemicals requiring specific stereochemical configurations.
• Academic & Industrial Research: Employed in organic chemistry research for methodology development, catalysis studies, and the synthesis of complex natural product analogs.
• Material Science: Potential use as a monomer or cross-linking agent in the development of specialized polymers with tailored properties.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,5-Hydroxy-,Methylester(9Ci)
CAS No.	328239-96-9
Molecular Formula	C8H10O3
Molecular Weight	154.16 g/mol
Synonyms	5-Hydroxy-1-cyclopentene-1-carboxylic acid methyl ester; Methyl 5-hydroxy-1-cyclopentene-1-carboxylate; 1-Cyclopentene-1-carboxylic acid, 5-hydroxy-, methyl ester; 5-Hydroxycyclopent-1-enecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide comprehensive analytical data to support your R&D and production needs. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request for every batch, ensuring full traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is between 2°C and 8°C for long-term stability. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (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.