Description

Thieno[3,4-B]Pyridine-5,7-Dione is a high-purity heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. This specialized intermediate is valued for its unique fused-ring structure, which enables the development of novel materials and active pharmaceutical ingredients. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for developing next-generation products.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for biological activity.
• Organic Electronic Materials: Serves as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) and semiconductors.
• Dye and Pigment Synthesis: Employed in the creation of specialized dyes and pigments due to its fused aromatic system.
• Academic & Industrial R&D: A valuable compound for methodological studies in organic chemistry and the development of new synthetic routes.
• Coordination Chemistry: Acts as a ligand or precursor for ligands in metal-organic frameworks (MOFs) and catalytic complexes.

Basic Information

Product Name	Thieno[3,4-B]Pyridine-5,7-Dione
CAS No.	69094-37-7
Molecular Formula	C7H3NO2S
Molecular Weight	165.17 g/mol
Synonyms	Thieno[3,4-b]pyridine-5,7-dione; 5,7-Dioxo-5,7-dihydrothieno[3,4-b]pyridine; 69094-37-7; Thieno[3,4-b]pyridine-5,7(4H,6H)-dione; 4H,6H-Thieno[3,4-b]pyran-5,7-dione; 4H-Thieno[3,4-b]pyran-5,7-dione; 5,7-Dihydroxythieno[3,4-b]pyridine
EINECS	Contact for details

Quality Control

Our Thieno[3,4-B]Pyridine-5,7-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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