Description

2,5-Cyclohexadien-1-Ylidene, 3,5-Dichloro-4-Oxo- (7Ci,8Ci,9Ci) is a specialized organic intermediate characterized by its unique quinone methide-like structure. This compound matters for its role as a versatile building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research chemists and process development teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those with complex heterocyclic or fused-ring systems.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive dichloro and oxo functionalities.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of advanced polymers and functional organic materials.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and organic pigments due to its conjugated diene system.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and catalyst development.
• Fine Chemical Production: Utilized in custom synthesis and contract manufacturing for producing high-value, low-volume specialty chemicals.

Basic Information

Product Name	2,5-Cyclohexadien-1-Ylidene, 3,5-Dichloro-4-Oxo- (7Ci,8Ci,9Ci)
CAS No.	3225-38-5
Molecular Formula	C7H4Cl2O
Molecular Weight	175.01 g/mol
Synonyms	3,5-Dichloro-4-oxo-2,5-cyclohexadien-1-ylidene; 2,5-Cyclohexadien-1-ylidene, 3,5-dichloro-4-oxo-; 3,5-Dichlorobenzoquinone methide; 3,5-Dichloro-4-oxocyclohexa-2,5-dien-1-ylidene; 3,5-Dichloro-1,4-benzoquinone methide; 3225-38-5; NSC 163066; 3,5-Dichloro-4-oxo-2,5-cyclohexadien-1-ylidene radical
EINECS	Contact for details

Quality Control

Our 2,5-Cyclohexadien-1-Ylidene, 3,5-Dichloro-4-Oxo- (7Ci,8Ci,9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistency and compliance with research-grade specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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