Description

Cyclopentene-1,2-Dicarboxylic Acid CAS NO 3128-15-2 is a versatile, high-purity dicarboxylic acid derivative featuring a reactive cyclopentene ring system. This compound serves as a critical chiral building block and intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is essential for research and production in the pharmaceutical, agrochemical, and specialty polymer industries, where precise chemical functionality is paramount.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with cyclic or constrained structures.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Specialty Polymer Monomer: Used to introduce rigidity and specific functional groups into advanced polymers, resins, and coatings.
• Fine Chemical Production: Intermediate for manufacturing dyes, pigments, and complex organic compounds requiring a cis-dicarboxylic acid moiety.
• Asymmetric Catalysis & Ligand Synthesis: Chiral starting material for creating novel catalysts and ligands used in stereoselective reactions.
• Academic & Industrial R&D: Fundamental reagent for methodological development and exploring new chemical spaces in organic chemistry.

Basic Information

Product Name	Cyclopentene-1,2-Dicarboxylic Acid
CAS No.	3128-15-2
Molecular Formula	C7H8O4
Molecular Weight	156.14 g/mol
Synonyms	1,2-Cyclopentenedicarboxylic Acid; 3-Cyclopentene-1,2-dicarboxylic Acid; Cyclopent-3-ene-1,2-dicarboxylic Acid; NSC 163063; 1-Cyclopentene-1,2-dicarboxylic Acid; (1R,2S)-rel-3-Cyclopentene-1,2-dicarboxylic Acid (for chiral forms); cis-3-Cyclopentene-1,2-dicarboxylic Acid
EINECS	221-506-7

Quality Control

Our Cyclopentene-1,2-Dicarboxylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and batch-to-batch consistency suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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