Description

Dispiro[2.0.4.1]Nonane-9-Carbonyl Chloride (9Ci) is a specialized, high-purity organic building block featuring a unique spirocyclic structure and a highly reactive acid chloride functional group. This compound matters for its role as a critical intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) or anti-infective agents.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with complex, spirocyclic active ingredients.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for creating specialty polymers with unique thermal or mechanical properties.
• Ligand and Catalyst Development: Employed in the synthesis of sophisticated chiral ligands and organocatalysts for asymmetric synthesis.
• Material Science Research: Used to develop novel organic frameworks (MOFs/COFs) and other advanced functional materials.
• Academic & Industrial R&D: A valuable reagent for methodological studies and exploring new chemical reactions in synthetic organic chemistry.

Basic Information

Product Name	Dispiro[2.0.4.1]Nonane-9-Carbonyl Chloride (9Ci)
CAS No.	65313-40-8
Molecular Formula	C10H12Cl2O
Molecular Weight	219.11 g/mol
Synonyms	9-Carbonyl chloride dispiro[2.0.4.1]nonane; Dispiro[2.0.4.1]nonane-9-carbonyl chloride; 1,5-Dichlorospiro[2.4]heptane-1-carbonyl chloride; Spiro[2.4]heptane-1-carbonyl chloride, 1,5-dichloro-; 65313-40-8; Dispiro(2.0.4.1)nonane-9-carbonyl chloride
EINECS	Contact for details

Quality Control

Our Dispiro[2.0.4.1]Nonane-9-Carbonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) with detailed specifications are provided and available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong bases, alcohols, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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