Description

4-Methylene-Cyclopentane-1,2-Dicarboxylic Acid CAS NO 90474-14-9 is a specialized dicarboxylic acid derivative featuring a reactive methylene group on a cyclopentane ring. This unique structure makes it a valuable high-purity chemical intermediate for synthesizing advanced polymers, pharmaceuticals, and fine chemicals. It is primarily sought after by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer Chemistry: Used as a monomer or cross-linking agent to create specialty polyesters, polyamides, and coatings with tailored properties.
• Agrochemical Synthesis: Acts as a precursor for developing new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Employed in the manufacture of complex organic molecules for research and high-value industrial applications.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create chelating ligands for catalytic systems.
• Academic and Industrial Research: A valuable reagent for methodological development and exploring new chemical reactions in organic synthesis.

Basic Information

Product Name	4-Methylene-Cyclopentane-1,2-Dicarboxylic Acid
CAS No.	90474-14-9
Molecular Formula	C8H10O4
Molecular Weight	170.16 g/mol
Synonyms	4-Methylenepentane-1,2-dicarboxylic acid; 4-Methylenecyclopentane-1,2-dicarboxylic acid; 1,2-Cyclopentanedicarboxylic acid, 4-methylene-; 4-Methylidenecyclopentane-1,2-dicarboxylic acid; 4-Methylenepentanedioic acid (ambiguous); 4-Methylidene-1,2-cyclopentanedicarboxylic acid; 4-Methylenepentanedioic acid, 1,2-cyclopentanedicarboxylic acid derivative.
EINECS	Contact for details

Quality Control

Our 4-Methylene-Cyclopentane-1,2-Dicarboxylic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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