Description

2,4-Dihydro-4,4,5-Trimethyl-2-Phenyl-3H-Pyrazol-3-One is a versatile pyrazolone derivative, a key heterocyclic building block valued for its structural role in synthesizing more complex molecules. Its importance lies in providing a functionalized core for developing pharmaceuticals, agrochemicals, and specialty chemicals. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for use as a crucial synthetic intermediate.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing the pyrazolone pharmacophore.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Acts as a versatile building block in organic synthesis for creating novel heterocyclic compounds and fine chemicals.
• Dye & Pigment Intermediate: Can be utilized in the synthesis of certain azo dyes and complex colorants.
• Material Science: Investigated for potential use in the development of advanced organic materials and ligands for metal complexes.

Basic Information

Product Name	2,4-Dihydro-4,4,5-Trimethyl-2-Phenyl-3H-Pyrazol-3-One
CAS No.	947-82-0
Molecular Formula	C12H14N2O
Molecular Weight	202.25 g/mol
Synonyms	4,4,5-Trimethyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one; 4,4,5-Trimethyl-2-phenyl-3-pyrazolin-5-one; 2-Phenyl-4,4,5-trimethyl-3-pyrazolin-5-one; 4,4,5-Trimethyl-2-phenyl-δ²-pyrazolin-5-one; 2-Phenyl-4,4,5-trimethyl-δ²-pyrazolin-5-one; 3H-Pyrazol-3-one, 2,4-dihydro-4,4,5-trimethyl-2-phenyl-; 4,4,5-Trimethyl-2-phenyl-2H-pyrazol-3-ol (tautomer)
EINECS	213-428-4

Quality Control

Our 2,4-Dihydro-4,4,5-Trimethyl-2-Phenyl-3H-Pyrazol-3-One is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production requirements.

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 incompatible materials such as strong oxidizing agents.

Specification

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