Description

Thieno[3,2-b][1,6]naphthyridine, 5,6,7,8-tetrahydro-9-methyl- (9Ci) is a high-purity, advanced pharmaceutical intermediate and heterocyclic building block of significant interest in modern organic synthesis. This compound matters for its role as a key precursor in the development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex nitrogen-containing fused ring systems. Pharmaceutical R&D teams and fine chemical manufacturers need it for constructing sophisticated molecular architectures with potential biological activity.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) research.
• Organic Synthesis Reagent: Used in complex multi-step syntheses to construct fused heterocyclic scaffolds common in medicinal chemistry.
• Agrochemical Research: Serves as a precursor in the development of new-generation pesticides and herbicides with specific modes of action.
• Material Science: Investigated as a potential organic semiconductor precursor or ligand in coordination chemistry for catalytic applications.
• Academic & Industrial R&D: Essential for chemical libraries and structure-activity relationship (SAR) studies in both university and corporate research laboratories.

Basic Information

Product Name	Thieno[3,2-b][1,6]naphthyridine, 5,6,7,8-tetrahydro-9-methyl- (9Ci)
CAS No.	792134-49-7
Molecular Formula	C11H12N2S
Molecular Weight	204.29 g/mol
Synonyms	9-Methyl-5,6,7,8-tetrahydrothieno[3,2-b][1,6]naphthyridine; 5,6,7,8-Tetrahydro-9-methylthieno[3,2-b][1,6]naphthyridine; Thieno[3,2-b][1,6]naphthyridine, 5,6,7,8-tetrahydro-9-methyl-; 9-Methyl-5,6,7,8-tetrahydro-4H-thieno[3,2-b][1,6]naphthyridine; CAS 792134-49-7
EINECS	Contact for details

Quality Control

Our production of Thieno[3,2-b][1,6]naphthyridine, 5,6,7,8-tetrahydro-9-methyl- (9Ci) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality systems are designed to support cGMP-compliant applications for pharmaceutical development.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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