Description

4-Amino-7,8-Dihydrothieno[2,3-B]Quinolin-5(6H)-One is a high-value heterocyclic organic compound featuring a fused thienoquinoline core structure. This specialized chemical serves as a critical advanced intermediate in modern pharmaceutical research and development. It is primarily sought after by research institutions and fine chemical manufacturers engaged in the synthesis of novel active pharmaceutical ingredients (APIs) and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Organic Synthesis Research: Used as a versatile precursor in academic and industrial laboratories for constructing novel heterocyclic frameworks with potential biological activity.
• Agrochemical Development: Serves as an intermediate in the research and development of new crop protection agents and pesticides.
• Material Science Research: Investigated for its potential utility in creating organic electronic materials or specialty dyes due to its conjugated system.
• Chemical Reference Standard: Supplied to analytical laboratories for use as a certified reference material (CRM) in method development and quality control.

Basic Information

Product Name	4-Amino-7,8-Dihydrothieno[2,3-B]Quinolin-5(6H)-One
CAS No.	116481-90-4
Molecular Formula	C11H10N2OS
Molecular Weight	218.28 g/mol
Synonyms	4-Amino-5,6,7,8-tetrahydrothieno[2,3-b]quinolin-5-one; 5(6H)-Thieno[2,3-b]quinolinone, 4-amino-7,8-dihydro-; 4-Amino-7,8-dihydro-5H-thieno[2,3-b]quinolin-5-one; 4-Amino-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-5-one; 116481-90-4; Thienoquinolinone derivative
EINECS	Contact for details

Quality Control

Our production of 4-Amino-7,8-Dihydrothieno[2,3-B]Quinolin-5(6H)-One adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
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.