Description

Bicyclo[2.2.1]hepta-2,5-diene-2-carboxylic acid, methyl ester (9Ci) is a specialized, high-purity organic compound, also known by its CAS number 3604-36-2. This chemical serves as a valuable building block and key intermediate in advanced organic synthesis, particularly in the preparation of complex molecular architectures. It is primarily utilized by pharmaceutical R&D teams and fine chemical manufacturers for applications in medicinal chemistry and materials science.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for complex, bridged-ring structures.
• Organic Synthesis Building Block: Used in Diels-Alder reactions and other cycloaddition chemistry to construct intricate polycyclic frameworks.
• Agrochemical Research: Employed in the synthesis of advanced crop protection agents and specialty agrochemicals.
• Material Science Precursor: Serves as a starting material for the development of specialty polymers and advanced organic materials with specific optical or electronic properties.
• Academic & Industrial R&D: A critical reagent for methodological studies in synthetic organic chemistry and catalysis within university and corporate research laboratories.
• Fine Chemical Production: Used in the multi-step synthesis of high-value, low-volume specialty chemicals for various industrial sectors.

Basic Information

Item	Detail
Product Name	Bicyclo[2.2.1]hepta-2,5-diene-2-carboxylic acid, methyl ester (9Ci)
CAS No.	3604-36-2
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	2,5-Norbornadiene-2-carboxylic acid methyl ester; Methyl bicyclo[2.2.1]hepta-2,5-diene-2-carboxylate; Methyl 2,5-norbornadiene-2-carboxylate; Methyl 2-norbornadienecarboxylate; 2-Carbomethoxy-2,5-norbornadiene; Bicyclo[2.2.1]hepta-2,5-diene-2-carboxylic acid methyl ester; 2,5-Norbornadiene-2-methyl carboxylate
EINECS	Contact for details

Quality Control

Our production of Bicyclo[2.2.1]hepta-2,5-diene-2-carboxylic acid, methyl ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. All materials undergo rigorous analytical testing, including HPLC, GC, and NMR analysis, to verify identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
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.