Description

(E)-5,5-Dichloro-4-Methoxy-3-Penten-2-One is a high-purity, versatile chlorinated enone building block used in advanced organic synthesis. This compound is valued for its reactive α,β-unsaturated ketone moiety flanked by chlorine and methoxy substituents, enabling precise chemical transformations. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular scaffolds, including heterocycles and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those containing chlorinated or methoxy-substituted heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its dichloro functionality can contribute to biological activity.
• Material Science Research: Serves as a precursor for specialized monomers or ligands in the development of advanced polymers and functional materials.
• Academic & Industrial R&D: Employed in methodological studies and as a model compound for exploring new reactions involving α,β-unsaturated carbonyl systems.
• Fine Chemical Production: Utilized in the custom synthesis of complex, high-value specialty chemicals for various technological applications.

Basic Information

Product Name	(E)-5,5-Dichloro-4-Methoxy-3-Penten-2-One
CAS No.	61203-75-6
Molecular Formula	C6H6Cl2O2
Molecular Weight	181.02 g/mol
Synonyms	5,5-Dichloro-4-methoxy-3-penten-2-one; (E)-5,5-Dichloro-4-methoxypent-3-en-2-one; 3-Penten-2-one, 5,5-dichloro-4-methoxy-, (E)-; 2-Penten-2-one, 5,5-dichloro-4-methoxy-; 4-Methoxy-5,5-dichloro-3-penten-2-one; (E)-4-Methoxy-5,5-dichloropent-3-en-2-one
EINECS	Contact for details

Quality Control

Our (E)-5,5-Dichloro-4-Methoxy-3-Penten-2-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and structural identity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. For long-term storage, consider maintaining the product under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.