Description

2-Cyclopenten-1-One, 4,5-Dichloro-2-Methyl- is a versatile chlorinated cyclic enone building block, valued for its unique reactivity profile in advanced organic synthesis. This compound serves as a critical intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. It is essential for researchers and process chemists developing active pharmaceutical ingredients (APIs), specialty agrochemicals, and novel materials.

Application

• Pharmaceutical Intermediate: Key synthon for the synthesis of complex heterocycles and bioactive molecules in drug discovery and development.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging its reactive enone functionality.
• Material Science Research: Serves as a precursor for specialty polymers and functional materials requiring specific chlorinated motifs.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, Michael additions, and other cyclization strategies to create novel carbon frameworks.
• Fine Chemical Production: Intermediate in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Item	Detail
Product Name	2-Cyclopenten-1-One, 4,5-Dichloro-2-Methyl-
CAS No.	54358-91-7
Molecular Formula	C6H6Cl2O
Molecular Weight	164.02 g/mol
Synonyms	4,5-Dichloro-2-methyl-2-cyclopenten-1-one; 4,5-Dichloro-2-methylcyclopent-2-en-1-one; 2-Methyl-4,5-dichloro-2-cyclopenten-1-one; Dichloromethylcyclopentenone; NSC 163063
EINECS	Contact for details

Quality Control

Our 2-Cyclopenten-1-One, 4,5-Dichloro-2-Methyl- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We are committed to meeting the stringent requirements of research and industrial-scale applications.

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 acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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