Description

Thieno[2,3-B]Quinoline-2-Carboxylic Acid is a high-purity, fused heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel pharmaceuticals and functional materials, offering a unique structural motif for creating complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for applications ranging from drug discovery to the creation of specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical scaffold in the synthesis of novel drug candidates, particularly those targeting specific enzymes or receptors.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its fused ring system.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a building block for electron-transport or host materials in advanced display technologies.
• Coordination Chemistry Ligand: The carboxylic acid and nitrogen-containing heterocycle make it a potential chelating agent for metal complexes in catalysis.
• Dye and Pigment Synthesis: Utilized as a precursor for creating specialized dyes with specific light-absorption properties.
• Academic and R&D: A valuable reagent for methodological studies in heterocyclic and synthetic organic chemistry.

Basic Information

Product Name	Thieno[2,3-B]Quinoline-2-Carboxylic Acid
CAS No.	52026-70-7
Molecular Formula	C₁₂H₇NO₂S
Molecular Weight	229.25 g/mol
Synonyms	2-Thieno[2,3-b]quinolinecarboxylic acid; Thieno[2,3-b]quinoline-2-carboxylic acid; 2-Carboxythieno[2,3-b]quinoline; Quinoline-2-carboxylic acid, thieno[2,3-b]-; 52026-70-7; Thienoquinoline-2-carboxylic acid; 2-Thienoquinolinecarboxylic acid
EINECS	Contact for details

Quality Control

Every batch of Thieno[2,3-B]Quinoline-2-Carboxylic Acid is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the identity, purity, and consistency required for sensitive R&D and scale-up processes. A detailed Certificate of Analysis (COA) is supplied with each shipment, documenting key parameters such as assay (HPLC), related substances, and residual solvents.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.