Description

1-Methyl-1H-Pyrazol-5(4H)-One is a versatile heterocyclic building block and key synthetic intermediate. This compound matters for its crucial role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients and advanced agrochemicals. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for synthesizing novel compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates, including kinase inhibitors and other biologically active molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides.
• Organic Synthesis Building Block: Serves as a versatile scaffold for constructing complex heterocycles in research and development.
• Material Science: Potential intermediate in the synthesis of specialty polymers and functional materials.
• Dye and Pigment Industry: Can be utilized in the synthesis of certain complex organic colorants.

Basic Information

Product Name	1-Methyl-1H-Pyrazol-5(4H)-One
CAS No.	10234-66-9
Molecular Formula	C₄H₆N₂O
Molecular Weight	98.10 g/mol
Synonyms	1-Methyl-5-pyrazolone; 1-Methyl-5-pyrazolidinone; 1-Methyl-2-pyrazolin-5-one; 5-Methyl-2-pyrazolin-5-one; 1-Methyl-1H-pyrazol-5-ol; 3-Methyl-1H-pyrazol-5(4H)-one; 1-Methyl-δ²-pyrazolin-5-one
EINECS	Contact for details

Quality Control

Our 1-Methyl-1H-Pyrazol-5(4H)-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.