Description

1-Methyl-5-Cyclohexene-2,3-Dicarboxylic Acid is a versatile cyclic dicarboxylic acid derivative with a unique unsaturated structure. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis. It is primarily utilized by the pharmaceutical and fine chemical industries for research and development, as well as in the production of specialty polymers and agrochemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs) and complex drug molecules.
• Fine Chemical Synthesis: Used in the preparation of specialty chemicals, catalysts, and ligands for asymmetric synthesis.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for producing specialty polyesters and polyamides with specific thermal or mechanical properties.
• Agrochemical Research: Intermediate in the development of new herbicides, fungicides, and plant growth regulators.
• Academic & Industrial R&D: Serves as a reagent in chemical research for exploring new reactions and material properties.
• Flavor & Fragrance Industry: Potential precursor for synthesizing specific aroma compounds and musk analogs.

Basic Information

Product Name	1-Methyl-5-Cyclohexene-2,3-Dicarboxylic Acid
CAS No.	40469-16-7
Molecular Formula	C9H12O4
Molecular Weight	184.19 g/mol
Synonyms	1-Methyl-5-cyclohexene-2,3-dicarboxylic acid; 3-Methyl-4-cyclohexene-1,2-dicarboxylic acid; 4-Cyclohexene-1,2-dicarboxylic acid, 3-methyl-; NSC 163947; 1-Methyl-1,4-cyclohexadiene-5,6-dicarboxylic acid (tautomer); 3-Methyl-δ4-cyclohexene-1,2-dicarboxylic acid
EINECS	Contact for details

Quality Control

Our 1-Methyl-5-Cyclohexene-2,3-Dicarboxylic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with detailed specifications for identity, assay, and impurity profiles, supporting compliance with cGMP and ISO standards for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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