Description

Cyclopentanone, 3,4-Dichloro-, trans- (9Ci) is a specialized chlorinated ketone building block with the CAS number 185898-84-4. This compound is valued for its unique stereochemistry and functional groups, making it a critical intermediate in advanced organic synthesis. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a functionalized cyclopentanone core.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides where the dichloro-substituted ring system imparts specific biological activity.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the development of specialized polymers and advanced organic materials.
• Organic Synthesis Building Block: Employed in asymmetric synthesis, cycloaddition reactions, and other methodologies to introduce complexity and functionality into target molecules.
• Chemical Reference Standard: Utilized in analytical laboratories as a high-purity standard for method development, calibration, and quality control testing.

Basic Information

Product Name	Cyclopentanone, 3,4-Dichloro-, trans- (9Ci)
CAS No.	185898-84-4
Molecular Formula	C5H6Cl2O
Molecular Weight	152.99 g/mol
Synonyms	trans-3,4-Dichlorocyclopentanone; (3R,4R)-3,4-Dichlorocyclopentanone; (3S,4S)-3,4-Dichlorocyclopentanone; 3,4-Dichlorocyclopentanone, trans-; 185898-84-4; Cyclopentanone, 3,4-dichloro-, trans-; trans-3,4-Dichloro-cyclopentanone
EINECS	Contact for details

Quality Control

Our Cyclopentanone, 3,4-Dichloro-, trans- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the stringent requirements for research and process chemistry. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de (trans isomer)
Water Content (KF)	≤ 0.5%

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