Description

Thieno[2,3-D]Pyridazine 2Hcl is a high-purity heterocyclic building block and pharmaceutical intermediate of significant interest in advanced organic synthesis. This compound is valued for its unique fused-ring structure, which serves as a critical scaffold in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic cores.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its bioactive scaffold.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing fused thienopyridazine derivatives for material science and chemical biology.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).

Basic Information

Product Name	Thieno[2,3-D]Pyridazine 2Hcl
CAS No.	16364-00-4
Molecular Formula	C6H6Cl2N2S
Molecular Weight	209.10 g/mol
Synonyms	Thieno[2,3-d]pyridazine dihydrochloride; 2H-Thieno[2,3-d]pyridazine, dihydrochloride; 4H-Thieno[2,3-d]pyridazine, dihydrochloride; 4H-Thieno[2,3-d]pyridazine dihydrochloride; Thieno[2,3-d]pyridazine hydrochloride (1:2); 16364-00-4 (CAS); Thienopyridazine dihydrochloride
EINECS	Contact for details

Quality Control

Our Thieno[2,3-D]Pyridazine 2Hcl is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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