Description

3-Bromo-Thieno[2,3-D]Pyridazin-4(5H)-One is a high-value brominated heterocyclic building block, specifically a functionalized thienopyridazinone derivative, essential for advanced organic synthesis. This compound serves as a critical intermediate for medicinal chemistry research and the development of novel active pharmaceutical ingredients (APIs). It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates targeting various therapeutic areas.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization programs due to its versatile reactivity.
• Agrochemical Development: Serves as a precursor in the research and synthesis of new crop protection agents and herbicides.
• Material Science: Potential monomer or precursor for the development of specialized organic electronic materials or ligands.
• Chemical Biology: Can be utilized as a probe or tag in biochemical research and assay development.
• Custom Synthesis: Employed by contract research and manufacturing organizations (CROs/CMOs) for client-specific molecule construction.

Basic Information

Product Name	3-Bromo-Thieno[2,3-D]Pyridazin-4(5H)-One
CAS No.	1433203-93-0
Molecular Formula	C6H3BrN2OS
Molecular Weight	231.07 g/mol
Synonyms	3-Bromothieno[2,3-d]pyridazin-4(5H)-one; 3-Bromo-4,5-dihydrothieno[2,3-d]pyridazin-4-one; 3-Bromo-5H-thieno[2,3-d]pyridazin-4-one; 4(5H)-Thieno[2,3-d]pyridazinone, 3-bromo-; 3-Bromothieno[2,3-d]pyridazin-4-one
EINECS	Contact for details

Quality Control

Our 3-Bromo-Thieno[2,3-D]Pyridazin-4(5H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.