Description

Bicyclo[4.2.0]Octa-1,3,5,7-Tetraene-3-Carboxylic Acid, Methyl Ester (9Ci) is a specialized organic compound featuring a unique bicyclic, conjugated tetraene structure. This compound serves as a valuable high-purity chemical intermediate and building block in advanced synthetic chemistry. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel materials, pharmaceuticals, and agrochemicals where its rigid, unsaturated framework is critical.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug candidates, particularly those requiring strained, polycyclic frameworks.
• Organic Synthesis Building Block: Used in advanced organic reactions, including Diels-Alder cycloadditions and other transformations leveraging its conjugated diene system.
• Material Science Research: Investigated as a monomer or precursor for the development of novel polymers and organic electronic materials with specific optical properties.
• Agrochemical Development: Employed in the research and synthesis of new active ingredients with unique structural motifs.
• Academic & Industrial R&D: A critical reagent for methodological studies in synthetic organic chemistry and catalysis.
• Fine Chemical Production: Used in the multi-step synthesis of specialty chemicals, flavors, and fragrances requiring high structural precision.

Basic Information

Product Name	Bicyclo[4.2.0]Octa-1,3,5,7-Tetraene-3-Carboxylic Acid, Methyl Ester (9Ci)
CAS No.	86031-45-0
Molecular Formula	C10H10O2
Molecular Weight	162.19 g/mol
Synonyms	Methyl bicyclo[4.2.0]octa-1,3,5,7-tetraene-3-carboxylate; 3-Carbomethoxybicyclo[4.2.0]octa-1,3,5,7-tetraene; Bicyclo[4.2.0]octa-1,3,5,7-tetraene-3-carboxylic acid methyl ester; Methyl 3-bicyclo[4.2.0]octa-1,3,5,7-tetraenecarboxylate
EINECS	Contact for details

Quality Control

Our Bicyclo[4.2.0]Octa-1,3,5,7-Tetraene-3-Carboxylic Acid, Methyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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 flames. Due to its unsaturated structure, it is recommended to store under an inert atmosphere for long-term preservation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.