Description

Bicyclo[2.2.1]Hept-2-Ene-2-Carboxylic Acid, Methyl Ester, (1S)- (9Ci) is a high-purity, chiral bicyclic olefinic ester that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique strained ring structure and defined stereochemistry make it an invaluable building block for constructing complex molecular architectures. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates, including those with bridged bicyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides requiring specific stereochemistry.
• Material Science Research: Serves as a monomer or precursor for developing novel polymers with unique thermal or mechanical properties.
• Asymmetric Catalysis: Employed as a ligand precursor or a test substrate in the development of new chiral catalysts.
• Fine Chemical Production: Utilized in the multi-step synthesis of specialty fragrances, flavors, and other high-value chemicals.
• Academic & R&D: A valuable tool in organic chemistry laboratories for methodology development and total synthesis projects.

Basic Information

Product Name	Bicyclo[2.2.1]Hept-2-Ene-2-Carboxylic Acid, Methyl Ester, (1S)- (9Ci)
CAS No.	136520-60-0
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	(1S)-Bicyclo[2.2.1]hept-2-ene-2-carboxylic acid methyl ester; (1S)-2-Norbornene-2-carboxylic acid methyl ester; (-)-Methyl 2-norbornene-2-carboxylate; (S)-Methyl bicyclo[2.2.1]hept-2-ene-2-carboxylate; Methyl (1S)-bicyclo[2.2.1]hept-2-ene-2-carboxylate; (S)-Methyl 2-norbornene-2-carboxylate; (1S)-2-Carbomethoxy-2-norbornene
EINECS	Contact for details

Quality Control

Our production of Bicyclo[2.2.1]Hept-2-Ene-2-Carboxylic Acid, Methyl Ester, (1S)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and scale-up applications. All materials are fully characterized using advanced analytical techniques. A comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess, and impurity profile is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity to light and oxidation, prolonged exposure to air or light should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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