Description

2,5-Cyclohexadiene-1-Carboxylicacid,4-Oxo-,Methylester(9Ci) is a specialized organic intermediate featuring a conjugated diene and ester functional group, making it a valuable synthon for complex molecular construction. Its core value lies in enabling precise synthetic pathways in advanced research and fine chemical production, where structural control is paramount. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring specific cyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators that leverage its reactive diene system.
• Organic Synthesis & Research: Acts as a versatile precursor for Diels-Alder reactions and other cycloadditions to construct complex polycyclic structures in academic and industrial laboratories.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and pigments where its specific unsaturated ester structure is integral to the final product's properties.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing polymers with unique optical or electronic characteristics.

Basic Information

Product Name	2,5-Cyclohexadiene-1-Carboxylicacid,4-Oxo-,Methylester(9Ci)
CAS No.	103669-43-8
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	4-Oxo-2,5-cyclohexadiene-1-carboxylic acid methyl ester; Methyl 4-oxo-1,4-dihydrobenzoate; Methyl 4-oxocyclohexa-2,5-diene-1-carboxylate; 4-Oxo-1,4-dihydrobenzoic acid methyl ester; 1,4-Dihydro-4-oxobenzoic acid methyl ester; 4-Oxo-2,5-cyclohexadiene-1-carboxylic acid methyl ester; 103669-43-8
EINECS	Contact for details

Quality Control

Our 2,5-Cyclohexadiene-1-Carboxylicacid,4-Oxo-,Methylester(9Ci) is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); ensure containers are sealed under an inert atmosphere if specified.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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