Description

Methyl 7-Amino-2-(4-Chlorophenyl)-3-Oxo-2,3-Dihydrothieno[3,2-C]Pyridazine-6-Carboxylate is a high-purity, advanced pharmaceutical intermediate characterized by its complex heterocyclic structure. This compound is critical for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring targeted molecular scaffolds. It is primarily sought after by research institutions and pharmaceutical manufacturers engaged in the development of new chemical entities and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing complex thienopyridazine-based heterocycles, exploring new reaction pathways.
• Agrochemical Development: Serves as a precursor in the discovery of new pesticides and herbicides, leveraging its bioactive core structure.
• Material Science: Investigated for potential use in the development of organic electronic materials and specialty dyes due to its conjugated system.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects under cGMP conditions.

Basic Information

Product Name	Methyl 7-Amino-2-(4-Chlorophenyl)-3-Oxo-2,3-Dihydrothieno[3,2-C]Pyridazine-6-Carboxylate
CAS No.	338405-14-4
Molecular Formula	C15H11ClN4O3S
Molecular Weight	362.79 g/mol
Synonyms	Methyl 7-amino-2-(4-chlorophenyl)-3-oxo-2,3-dihydrothieno[3,2-c]pyridazine-6-carboxylate; 6-Carbomethoxy-7-amino-2-(p-chlorophenyl)-2,3-dihydrothieno[3,2-c]pyridazin-3-one; 338405-14-4; Thieno[3,2-c]pyridazine-6-carboxylic acid, 7-amino-2-(4-chlorophenyl)-2,3-dihydro-3-oxo-, methyl ester; Methyl ester of 7-amino-2-(4-chlorophenyl)-3-oxo-2,3-dihydrothieno[3,2-c]pyridazine-6-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of Methyl 7-Amino-2-(4-Chlorophenyl)-3-Oxo-2,3-Dihydrothieno[3,2-C]Pyridazine-6-Carboxylate adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or cGMP requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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