Description

1-Benzyl-3-Methyl-2-Pyrazolin-5-On is a versatile pyrazolone derivative, a key heterocyclic compound valued for its role as a synthetic intermediate in advanced organic synthesis. Its structure makes it a crucial building block for the development of pharmaceuticals, agrochemicals, and specialty chemicals. This product is essential for R&D chemists and production units in the pharmaceutical, fine chemical, and life science industries seeking reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with analgesic or anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides, leveraging its heterocyclic core.
• Fine Chemical Building Block: Serves as a versatile scaffold in organic chemistry for constructing complex molecules in R&D and pilot-scale production.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and colorants due to the reactivity of the pyrazolone ring.
• Research & Development: A valuable compound for academic and industrial research in medicinal chemistry and material science.
• Chemical Reference Standard: Used as a high-purity standard for analytical testing and method development in quality control laboratories.

Basic Information

Item	Details
Product Name	1-Benzyl-3-Methyl-2-Pyrazolin-5-On
CAS No.	946-23-6
Molecular Formula	C11H12N2O
Molecular Weight	188.23 g/mol
Synonyms	1-Benzyl-3-methyl-5-pyrazolone; 3-Methyl-1-benzyl-2-pyrazolin-5-one; 1-Benzyl-3-methyl-1H-pyrazol-5-ol; 1-Benzyl-3-methyl-5-pyrazolone; Benzylmethylpyrazolone; Antipyrine derivative; 5-Pyrazolone, 1-benzyl-3-methyl-; 1H-Pyrazol-5-ol, 1-benzyl-3-methyl-
EINECS	213-411-2

Quality Control

Our 1-Benzyl-3-Methyl-2-Pyrazolin-5-On is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for regulated industries.

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 heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92°C - 96°C
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.