Description

Cyclopentanone, 2-(1,1-Dimethylethyl)-5-Fluoro- (9Ci) is a specialized fluorinated ketone building block of significant interest in advanced organic synthesis. Its core value lies in the unique steric and electronic properties imparted by the tert-butyl and fluorine substituents on the cyclopentanone ring, enabling precise molecular modifications. This compound is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for constructing fluorinated bioactive molecules, including potential enzyme inhibitors and receptor modulators.
• Agrochemical Research: Used in the synthesis of novel fluorinated pesticides and herbicides, where the fluorine atom can enhance metabolic stability and bioavailability.
• Material Science Precursor: Serves as a starting material for developing specialty polymers and advanced organic materials with tailored properties.
• Asymmetric Synthesis: The sterically hindered structure makes it a valuable substrate or chiral auxiliary in catalytic asymmetric reactions.
• Fluorine Chemistry Research: An important compound for studying the effects of fluorine substitution on the reactivity and conformation of cyclic ketones.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value fluorinated fine chemicals and fragrances.

Basic Information

Product Name	Cyclopentanone, 2-(1,1-Dimethylethyl)-5-Fluoro- (9Ci)
CAS No.	688041-08-9
Molecular Formula	C9H15FO
Molecular Weight	158.21 g/mol
Synonyms	2-tert-Butyl-5-fluorocyclopentanone; 5-Fluoro-2-(tert-butyl)cyclopentanone; 2-(1,1-Dimethylethyl)-5-fluorocyclopentanone; 2-tert-Butyl-5-fluoro-cyclopentan-1-one; 5-Fluoro-2-tert-butylcyclopentanone; tert-Butylfluorocyclopentanone; Fluorinated tert-butyl cyclopentanone
EINECS	Contact for details

Quality Control

Every batch of Cyclopentanone, 2-(1,1-Dimethylethyl)-5-Fluoro- (9Ci) is produced and tested under a strict quality management system. Our products undergo rigorous analytical testing, including NMR, HPLC, and GC-MS, to ensure identity, purity, and consistency meet the exacting standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 97.0%
Purity (HPLC)	≥ 96.0%
Water Content (KF)	≤ 0.5%

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