Description

2-(5-Ethyl-2-Thienyl)-7,8-Dimethylquinoline-4-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is critical for the research and development of novel therapeutic agents, particularly in the fields of oncology and metabolic disease. It is primarily utilized by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions engaged in medicinal chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies to optimize the efficacy and selectivity of lead compounds.
• Active Pharmaceutical Ingredient (API) Development: A crucial precursor in the multi-step synthesis of complex, target-specific APIs.
• Biochemical Reagent: Employed in biochemical assays and as a reference standard for analytical method development and validation.
• Organic Synthesis: Utilized in advanced organic synthesis for constructing complex quinoline-based molecular architectures.

Basic Information

Product Name	2-(5-Ethyl-2-Thienyl)-7,8-Dimethylquinoline-4-Carboxylic Acid
CAS No.	895966-56-0
Molecular Formula	C₁₈H₁₇NO₂S
Molecular Weight	311.40 g/mol
Synonyms	7,8-Dimethyl-2-(5-ethyl-2-thienyl)quinoline-4-carboxylic acid; 2-(5-Ethylthiophen-2-yl)-7,8-dimethylquinoline-4-carboxylic acid; Quinoline-4-carboxylic acid, 2-(5-ethyl-2-thienyl)-7,8-dimethyl-; ETDQC; 895966-56-0
EINECS	Contact for details

Quality Control

Our production of 2-(5-Ethyl-2-Thienyl)-7,8-Dimethylquinoline-4-Carboxylic Acid adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and MS for structural confirmation, and rigorous control of residual solvents and impurities. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific client or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is light-sensitive (store away from light) and should be handled under inert atmosphere when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Meets ICH Q3C guidelines

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