Description

Thieno[2,3-C]Quinolin-4(5H)-One, 5,6-Dimethyl- (9Ci) is a high-purity, fused heterocyclic organic compound of significant interest in advanced chemical synthesis. This specialized intermediate is valued for its unique structural framework, which serves as a critical building block for the development of novel pharmacologically active molecules. It is primarily utilized by research institutions and pharmaceutical companies engaged in medicinal chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, oncology, and anti-inflammatory pathways.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and library synthesis to explore new bioactive chemical space.
• Agrochemical Development: Acts as an intermediate in the research and development of new crop protection agents and pesticides.
• Material Science: Investigated as a potential organic semiconductor precursor or a ligand in coordination chemistry for catalytic applications.
• Academic & Contract Research: Employed in university laboratories and CROs (Contract Research Organizations) for fundamental organic synthesis and methodological studies.

Basic Information

Product Name	Thieno[2,3-C]Quinolin-4(5H)-One, 5,6-Dimethyl- (9Ci)
CAS No.	816418-40-3
Molecular Formula	C13H11NOS
Molecular Weight	229.30 g/mol
Synonyms	5,6-Dimethyl-4H-thieno[2,3-c]quinolin-4-one; 5,6-Dimethylthieno[2,3-c]quinolin-4(5H)-one; 816418-40-3; Thieno[2,3-c]quinolin-4(5H)-one, 5,6-dimethyl-; 4H-Thieno[2,3-c]quinolin-4-one, 5,6-dimethyl-
EINECS	Contact for details

Quality Control

Our production of Thieno[2,3-C]Quinolin-4(5H)-One, 5,6-Dimethyl- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support cGMP compliance for advanced intermediates and can provide material for regulatory filing support upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.