Description

Bicyclo[4.2.0]Octa-1,3,5-Triene-3-Carbonyl Chloride (9Ci) is a highly reactive and versatile chemical intermediate, primarily recognized for its strained bicyclic structure and acid chloride functionality. This compound is critical for advanced organic synthesis, enabling the efficient introduction of complex bicyclic frameworks into target molecules. It is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing novel active ingredients, as well as in advanced materials science for creating specialized polymers and ligands.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those requiring strained ring systems for biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science Research: Employed in the creation of advanced polymeric materials and specialty chemicals with tailored properties.
• Organic Synthesis Reagent: Acts as a versatile acylating agent for introducing the bicyclo[4.2.0]octatriene moiety into complex organic molecules in research settings.
• Ligand and Catalyst Development: Utilized as a precursor for synthesizing novel ligands and organometallic complexes in catalysis research.

Basic Information

Product Name	Bicyclo[4.2.0]Octa-1,3,5-Triene-3-Carbonyl Chloride (9Ci)
CAS No.	99718-03-3
Molecular Formula	C9H7ClO
Molecular Weight	166.60 g/mol
Synonyms	Bicyclo[4.2.0]octa-1,3,5-triene-3-carbonyl chloride; 3-Bicyclo[4.2.0]octa-1,3,5-trienecarbonyl chloride; 1-Azabicyclo[2.2.2]oct-5-ene-3-carbonyl chloride (related structural analog); Bicyclo[4.2.0]octatriene carbonyl chloride; (9CI) designation compound; Cyclobutabenzene-3-carbonyl chloride; 99718-03-3; Bicyclic acid chloride intermediate
EINECS	Contact for details

Quality Control

Our Bicyclo[4.2.0]Octa-1,3,5-Triene-3-Carbonyl Chloride is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting research and development standards. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting purity, assay, and impurity profiles.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Research Grade)
Assay	≥ 97%
Water Content (KF)	≤ 0.5%

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