Description

4-Hydrazino-2-Methyl-5-Methylsulfonyl-3(2H)-Pyridazinone is a specialized heterocyclic organic compound featuring a reactive hydrazino group and a methylsulfonyl substituent. This unique structure makes it a valuable key intermediate in the synthesis of more complex molecules, particularly within the pharmaceutical and agrochemical sectors. It is primarily sought by research chemists and process development teams for constructing novel active ingredients.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring pyridazinone-based scaffolds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Chemical Research: Serves as a versatile precursor in organic synthesis for creating libraries of compounds in medicinal and materials chemistry.
• Active Pharmaceutical Ingredient (API) Development: Employed in the synthetic pathway for potential APIs targeting various diseases.
• Fine Chemical Production: An intermediate in the manufacture of other high-value, specialized chemicals.

Basic Information

Product Name	4-Hydrazino-2-Methyl-5-Methylsulfonyl-3(2H)-Pyridazinone
CAS No.	63901-43-9
Molecular Formula	C7H10N4O3S
Molecular Weight	230.25 g/mol
Synonyms	5-Methylsulfonyl-4-hydrazino-2-methyl-3(2H)-pyridazinone; 4-Hydrazino-2-methyl-5-(methylsulfonyl)-2,3-dihydropyridazin-3-one; 2-Methyl-5-methylsulfonyl-4-hydrazino-3(2H)-pyridazinone; 4-Hydrazino-2-methyl-5-methanesulfonylpyridazin-3(2H)-one; CAS 63901-43-9
EINECS	Contact for details

Quality Control

Our 4-Hydrazino-2-Methyl-5-Methylsulfonyl-3(2H)-Pyridazinone is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a chemical intermediate. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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). Due to its light-sensitive nature and potential for oxidation, it is recommended to handle under an inert atmosphere for long-term storage and to minimize headspace in opened containers.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.