Description

3,7-Cycloundecadiene-1-Carbonyl Chloride (7Ci) is a specialized, high-purity organic intermediate featuring a reactive acid chloride functional group on a unique cyclic diene scaffold. This compound is valued for its role as a key building block in advanced organic synthesis, enabling the introduction of the cycloundecadiene moiety into complex molecular architectures. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly for constructing complex macrocyclic or constrained ring systems.
• Agrochemical Synthesis: Used in the research and development of new active ingredients for crop protection, leveraging its unique carbon skeleton.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with specific thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and other sophisticated organic molecules via amidation or esterification reactions.
• Ligand & Catalyst Development: The diene structure can be utilized to develop novel ligands for catalytic systems in asymmetric synthesis.

Basic Information

Product Name	3,7-Cycloundecadiene-1-Carbonyl Chloride (7Ci)
CAS No.	91561-68-1
Molecular Formula	C12H15ClO
Molecular Weight	210.70 g/mol
Synonyms	7-Cycloundecadiene-1-carbonyl chloride; 3,7-Cycloundecadienecarbonyl chloride; 7Ci; Cycloundecadienecarbonyl chloride; 1-Carbonyl chloride-3,7-cycloundecadiene; (3,7-Cycloundecadien-1-yl)carbonyl chloride; 3,7-Cycloundecadiene-1-carboxylic acid chloride
EINECS	Contact for details

Quality Control

Our production of 3,7-Cycloundecadiene-1-Carbonyl Chloride (7Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. Every lot is characterized using advanced analytical techniques including NMR, HPLC, and GC to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases, alcohols, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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