Description

6-Methoxy-Thieno[2,3-B]Quinoline-2-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its complex heterocyclic structure. This compound is of significant commercial importance for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring targeted molecular frameworks. It is primarily sought by research institutions and manufacturers in the global pharmaceutical and agrochemical sectors for developing next-generation compounds.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, especially in oncology and central nervous system (CNS) therapeutic research.
• Agrochemical Research: Serves as a core scaffold for developing new pesticides and herbicides with specific modes of action.
• Material Science: Used in the research and development of organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors, due to its electron-rich fused ring system.
• Chemical Synthesis: Acts as a versatile building block for constructing complex heterocyclic compounds in medicinal and synthetic chemistry.
• Academic & R&D: Essential for university and corporate research laboratories focused on heterocyclic chemistry and new molecular entity discovery.

Basic Information

Product Name	6-Methoxy-Thieno[2,3-B]Quinoline-2-Carboxylic Acid
CAS No.	462067-71-6
Molecular Formula	C₁₃H₉NO₃S
Molecular Weight	259.28 g/mol
Synonyms	6-Methoxythieno[2,3-b]quinoline-2-carboxylic acid; Thieno[2,3-b]quinoline-2-carboxylic acid, 6-methoxy-; 6-Methoxy-thieno[2,3-b]quinoline-2-carboxylic acid; 462067-71-6; 6-Methoxy-TQCA; 6-MTQC; 6-Methoxy-TQC Acid
EINECS	Contact for details

Quality Control

Our production of 6-Methoxy-Thieno[2,3-B]Quinoline-2-Carboxylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with customer specifications and current industry standards for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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