Description

1-Ethyl-3-Methyl-1H-Pyrazol-5(4H)-One is a versatile pyrazolone derivative, a key heterocyclic building block prized for its reactivity and structural features. This compound is essential for the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research institutions and industrial manufacturers involved in developing active pharmaceutical ingredients (APIs), fine chemicals, and advanced material precursors.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, including potential anti-inflammatory, analgesic, and central nervous system (CNS) agents.
• Agrochemical Synthesis: Serves as a key building block for developing novel pesticides, herbicides, and fungicides due to the bioactive pyrazolone core.
• Fine Chemical Production: Used in the manufacture of dyes, pigments, and other specialty chemicals where the pyrazolone ring system imparts desired properties.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical entities and reaction pathways in medicinal and synthetic chemistry.
• Material Science: Investigated as a monomer or additive in the development of advanced polymers and functional materials.

Basic Information

Product Name	1-Ethyl-3-Methyl-1H-Pyrazol-5(4H)-One
CAS No.	19364-68-2
Molecular Formula	C6H10N2O
Molecular Weight	126.16 g/mol
Synonyms	3-Methyl-1-ethyl-5-pyrazolone; 1-Ethyl-3-methyl-5-pyrazolone; 5-Pyrazolone, 1-ethyl-3-methyl-; 1-Ethyl-3-methyl-2-pyrazolin-5-one; 1-Ethyl-3-methyl-δ²-pyrazolin-5-one; 3-Methyl-1-ethyl-2-pyrazolin-5-one; Ethylmethylpyrazolone
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Methyl-1H-Pyrazol-5(4H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We can support development projects requiring compliance with ICH guidelines and other regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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%
Heavy Metals	≤ 20 ppm

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