Description

Thieno[3,2-B]Pyridine-6-Carboxylic Acid, 4,5-Dihydro-7-Hydroxy-5-Oxo-, Ethyl Ester is a high-purity, heterocyclic organic compound that serves as a critical advanced intermediate in modern synthetic chemistry. Its unique fused-ring structure containing thiophene and pyridine moieties makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its role in creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new-generation herbicides and pesticides with specific modes of action.
• Material Science: Serves as a building block for organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Chemical Synthesis: Employed as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and lead optimization.
• Academic & Contract Research: Utilized in university and CRO laboratories for fundamental research in heterocyclic chemistry and methodology development.

Basic Information

Product Name	Thieno[3,2-B]Pyridine-6-Carboxylic Acid, 4,5-Dihydro-7-Hydroxy-5-Oxo-, Ethyl Ester
CAS No.	74695-36-6
Molecular Formula	C11H11NO4S
Molecular Weight	253.27 g/mol
Synonyms	Ethyl 7-hydroxy-5-oxo-4,5-dihydrothieno[3,2-b]pyridine-6-carboxylate; 4,5-Dihydro-7-hydroxy-5-oxothieno[3,2-b]pyridine-6-carboxylic Acid Ethyl Ester; Thieno[3,2-b]pyridine-6-carboxylic acid, 4,5-dihydro-7-hydroxy-5-oxo-, ethyl ester; 74695-36-6; Ethyl 4,5-dihydro-7-hydroxy-5-oxothieno[3,2-b]pyridine-6-carboxylate
EINECS	Contact for details

Quality Control

Our production of Thieno[3,2-B]Pyridine-6-Carboxylic Acid, 4,5-Dihydro-7-Hydroxy-5-Oxo-, Ethyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide detailed Certificates of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or manufacturing standards. Specifications can be customized to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The compound may be light-sensitive and should be handled accordingly. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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