Description

7-Hydroxy-Thieno[3,2-B]Pyridine- 6-Carboxylic Acid CAS NO 90691-08-0 is a high-purity heterocyclic carboxylic acid derivative, serving as a critical advanced pharmaceutical intermediate (API) and a versatile building block in organic synthesis. Its unique fused-ring structure containing both thiophene and pyridine moieties makes it a valuable scaffold for developing novel active compounds. This compound is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of new therapeutic agents and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in medicinal chemistry research targeting various therapeutic areas.
• Organic Synthesis Reagent: Used as a versatile precursor for constructing complex heterocyclic systems in academic and industrial R&D laboratories.
• Agrochemical Research: Employed in the development of new active ingredients for crop protection products, leveraging its unique heterocyclic core.
• Material Science: Investigated as a monomer or functional component in the synthesis of specialized polymers and advanced organic materials.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	7-Hydroxy-Thieno[3,2-B]Pyridine- 6-Carboxylic Acid
CAS No.	90691-08-0
Molecular Formula	C8H5NO3S
Molecular Weight	195.20 g/mol
Synonyms	7-Hydroxythieno[3,2-b]pyridine-6-carboxylic acid; 6-Carboxy-7-hydroxythieno[3,2-b]pyridine; Thieno[3,2-b]pyridine-6-carboxylic acid, 7-hydroxy-; 7-Hydroxy-6-thieno[3,2-b]pyridinecarboxylic Acid; 90691-08-0; 7-Hydroxy-Thieno[3,2-B]Pyridine-6-Carboxylic Acid
EINECS	Contact for details

Quality Control

Our 7-Hydroxy-Thieno[3,2-B]Pyridine- 6-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements for pharmaceutical intermediate applications. Certificates of Analysis (COA) detailing all specifications and test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong acids and oxidizing agents. The compound is stable under recommended storage conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
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.