Description

Spiro[2.4]Heptane-1-Carbonyl Chloride (9Ci) is a specialized spirocyclic acid chloride building block used in advanced organic synthesis. This compound is valued for its unique, rigid spirocyclic structure, which introduces significant three-dimensional complexity into target molecules. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing novel drug candidates, particularly those requiring complex, three-dimensional scaffolds to improve binding affinity and metabolic stability.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the spirocyclic core can contribute to unique biological activity.
• Material Science Research: Employed in the creation of specialty polymers and advanced organic materials with tailored properties.
• Chemical Biology Probes: Serves as a reactive handle for labeling or modifying biomolecules in probe and tool compound development.
• Academic & Industrial R&D: A versatile reagent for methodological development and exploring new chemical space in synthetic organic chemistry.

Basic Information

Product Name	Spiro[2.4]Heptane-1-Carbonyl Chloride (9Ci)
CAS No.	663618-26-6
Molecular Formula	C8H9ClO
Molecular Weight	156.61 g/mol
Synonyms	Spiro[2.4]heptane-1-carbonyl chloride; 1-Carboxyspiro[2.4]heptane chloride; Spiro[2.4]heptane-1-carboxylic acid chloride; 1-Chlorocarbonylspiro[2.4]heptane; Spiroheptane-1-carbonyl chloride; 9CI Spiro[2.4]heptane-1-carbonyl chloride; CAS 663618-26-6
EINECS	Contact for details

Quality Control

Our Spiro[2.4]Heptane-1-Carbonyl Chloride (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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

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.