Description

Cyclobutanecarbonyl Chloride, 1-Ethoxy- (9Ci) CAS NO 70339-22-9 is a specialized organic acid chloride derivative of cyclobutane, serving as a high-value building block in advanced synthetic chemistry. Its core value lies in its reactivity as an acylating agent, enabling the efficient introduction of the 1-ethoxycyclobutanecarbonyl moiety into target molecules. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, where it is used to synthesize novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development and production of advanced herbicides, fungicides, and insecticides.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.
• Ligand and Catalyst Development: Employed in organic synthesis to create sophisticated ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Intermediate for manufacturing dyes, flavors, fragrances, and other high-value specialty chemicals.
• Academic & R&D: Critical reagent in university and corporate research laboratories for exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	Cyclobutanecarbonyl Chloride, 1-Ethoxy- (9Ci)
CAS No.	70339-22-9
Molecular Formula	C7H11ClO2
Molecular Weight	162.61 g/mol
Synonyms	1-Ethoxycyclobutanecarbonyl chloride; 1-Ethoxycyclobutane-1-carbonyl chloride; Cyclobutanecarbonyl chloride, 1-ethoxy-; 1-Ethoxy-1-cyclobutanecarbonyl chloride; 1-Ethoxycyclobutylcarbonyl chloride; 1-Ethoxycyclobutanoyl chloride; 1-Ethoxycyclobutane carboxylic acid chloride
EINECS	Contact for details

Quality Control

Our Cyclobutanecarbonyl Chloride, 1-Ethoxy- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, alcohols, and amines. Due to its nature as a strong acid/organic solvent, it should be handled and stored with appropriate precautions to prevent moisture ingress and decomposition. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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