Description

4,5-Dichloro-2-(Tetrahydro-Pyran-2-Yl)-2H-Pyridazin-3-One is a high-value, heterocyclic building block primarily used in advanced organic synthesis. This compound matters as a key intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals, offering a versatile scaffold for functionalization. It is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Serves as a building block for developing new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Chemical Research & Development: Used as a versatile scaffold in academic and industrial R&D for exploring new heterocyclic chemistry and reaction pathways.
• Active Pharmaceutical Ingredient (API) Manufacturing: Employed in the scaled-up production process of specific APIs where its unique structure is integral to the final molecule.
• Ligand and Catalyst Development: Potential use in creating specialized ligands for metal catalysis or as a core structure in organocatalysts.

Basic Information

Product Name	4,5-Dichloro-2-(Tetrahydro-Pyran-2-Yl)-2H-Pyridazin-3-One
CAS No.	173206-13-8
Molecular Formula	C9H10Cl2N2O2
Molecular Weight	249.09 g/mol
Synonyms	4,5-Dichloro-2-(tetrahydro-2H-pyran-2-yl)-2H-pyridazin-3-one; 2H-Pyridazin-3-one, 4,5-dichloro-2-(tetrahydro-2H-pyran-2-yl)-; 4,5-Dichloro-2-(tetrahydropyran-2-yl)pyridazin-3(2H)-one; 173206-13-8; 4,5-Dichloro-2-(2-tetrahydropyranyl)-3(2H)-pyridazinone; 4,5-Dichloro-2-(tetrahydropyran-2-yl)-2H-pyridazin-3-one
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-2-(Tetrahydro-Pyran-2-Yl)-2H-Pyridazin-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP standards where applicable, ensuring reliability for your most demanding synthesis applications.

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 such as strong bases and strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.