Description

6,8-Dimethyl-Thieno[2,3-B ]Quinoline-2-Carboxylic Acid is a high-purity, advanced heterocyclic carboxylic acid building block of significant interest in modern organic synthesis. This compound is valued for its unique fused-ring structure, which serves as a critical scaffold in the development of novel pharmacologically active molecules. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for use in medicinal chemistry, process development, and the synthesis of complex target molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and library synthesis in early-stage drug discovery.
• Agrochemical Development: Serves as a building block for creating new active ingredients with potential herbicidal or pesticidal properties.
• Material Science: Potential use in the synthesis of organic electronic materials or specialty dyes due to its conjugated thienoquinoline system.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and scale-up services for the life sciences sector.
• Academic Research: Utilized in university and institutional labs for fundamental studies in heterocyclic chemistry and new reaction methodologies.

Basic Information

Product Name	6,8-Dimethyl-Thieno[2,3-B ]Quinoline-2-Carboxylic Acid
CAS No.	462066-84-8
Molecular Formula	C14H11NO2S
Molecular Weight	257.31 g/mol
Synonyms	6,8-Dimethylthieno[2,3-b]quinoline-2-carboxylic acid; 2-Thiophenecarboxylic acid, 4,6-dimethylthieno[2,3-b]quinoline-; 4,6-Dimethylthieno[2,3-b]quinoline-2-carboxylic acid; 6,8-Dimethyl-thieno[2,3-b]quinoline-2-carboxylate; DTQCA; Thienoquinoline-2-carboxylic acid derivative
EINECS	Contact for details

Quality Control

Every batch of 6,8-Dimethyl-Thieno[2,3-B ]Quinoline-2-Carboxylic Acid is manufactured 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 applications. 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 place at controlled room temperature (typically 15-25°C). The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.