Description

Dithieno[2,3-C:3',2'-E]Pyridazine 4,5-Dioxide is a high-purity, fused heterocyclic compound featuring a unique pyridazine dioxide core flanked by thiophene rings. This specific molecular architecture makes it a valuable advanced intermediate or building block in sophisticated organic synthesis. It is primarily sought after by pharmaceutical R&D and agrochemical research teams for developing novel active ingredients, particularly in areas requiring complex, functionalized heterocyclic scaffolds.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, especially in therapeutic areas targeting the central nervous system, inflammation, or oncology.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, or insecticides that require complex heterocyclic structures for enhanced activity and selectivity.
• Organic Electronic Materials: Serves as a precursor or dopant in the research of organic semiconductors, OLEDs, or photovoltaic materials due to its electron-deficient pyridazine dioxide moiety.
• Ligand Synthesis in Catalysis: Employed to create novel, nitrogen- and sulfur-containing ligands for transition metal catalysis, enabling new synthetic transformations.
• Dye and Pigment Chemistry: Acts as a core structure for developing specialized dyes and functional pigments with specific light-absorption or charge-transfer properties.
• Academic & Industrial R&D: A critical reagent for methodological studies in organic chemistry and for exploring new chemical spaces in material science.

Basic Information

Item	Details
Product Name	Dithieno[2,3-C:3',2'-E]Pyridazine 4,5-Dioxide
CAS No.	51974-85-7
Molecular Formula	C8H4N2O2S2
Molecular Weight	224.26 g/mol
Synonyms	Dithieno[2,3-c:3',2'-e]pyridazine 4,5-dioxide; 4,5-Dioxodithieno[2,3-c:3',2'-e]pyridazine; Dithienopyridazine dioxide; [1]Benzothieno[3,2-c][1]benzothiophene-6,7-dicarbonitrile 5,5-dioxide (related structure); Thieno[3',2':4,5]thieno[2,3-c]pyridazine 4,5-dioxide
EINECS	Contact for details

Quality Control

Our Dithieno[2,3-C:3',2'-E]Pyridazine 4,5-Dioxide is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the exacting standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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 a controlled room temperature (typically 15-25°C). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.