Description

6-(5-Methylthiophen-2-Yl)-2,3-Dihydropyridazin-3-One is a high-value heterocyclic organic compound featuring a fused pyridazinone and methylthiophene structure. This compound matters as a critical pharmaceutical intermediate and research chemical for developing novel active ingredients. It is primarily needed by R&D teams and process chemists in the pharmaceutical, agrochemical, and fine chemical industries for synthesis and discovery programs.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and metabolic disorder targets.
• Agrochemical Research: Used in the development of new herbicides and pesticides, leveraging its heterocyclic scaffold for bioactivity.
• Material Science Precursor: Serves as a monomer or precursor for advanced organic electronic materials and specialty polymers.
• Chemical Biology Probe: Utilized in academic and industrial research to study enzyme inhibition and protein-ligand interactions.
• Fine Chemical Synthesis: Intermediate for creating complex molecules in custom synthesis and contract manufacturing projects.

Basic Information

Product Name	6-(5-Methylthiophen-2-Yl)-2,3-Dihydropyridazin-3-One
CAS No.	1105194-38-4
Molecular Formula	C9H8N2OS
Molecular Weight	192.24 g/mol
Synonyms	6-(5-Methyl-2-thienyl)-2,3-dihydro-3-pyridazinone; 6-(5-Methylthiophen-2-yl)-4,5-dihydropyridazin-3(2H)-one; 6-(5-Methyl-2-thienyl)-4,5-dihydro-3(2H)-pyridazinone; 2,3-Dihydro-6-(5-methyl-2-thienyl)pyridazin-3-one; 1105194-38-4; 6-(5-Methylthien-2-yl)-2,3-dihydropyridazin-3-one
EINECS	Contact for details

Quality Control

Our 6-(5-Methylthiophen-2-Yl)-2,3-Dihydropyridazin-3-One is produced under strict quality management systems. We offer material suitable for research and development under GMP-like controls, with purity levels typically exceeding 97% (HPLC). Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles, available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Any single unknown impurity	≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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