Description

3-(tert-Butyl)-4-((2-Hydroxy-3-Methoxyphenyl)Methylene)-1-Phenyl-2-Pyrazolin-5-One is a high-purity, synthetic organic compound belonging to the pyrazolone class. This chemical is valued for its role as a versatile intermediate and functional additive in advanced material synthesis and specialty chemical manufacturing. It is primarily sought by R&D laboratories and industrial producers in the pharmaceutical, agrochemical, and performance material sectors for developing novel compounds with specific optical or biological properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Agrochemical Research: Used in the development of new generation pesticides, herbicides, and plant growth regulators due to its functional molecular scaffold.
• Organic Synthesis & Catalysis: Acts as a ligand or precursor in catalytic systems and as an intermediate for creating complex heterocyclic compounds in academic and industrial research.
• Material Science: Investigated for incorporation into advanced polymers, dyes, or organic electronic materials to impart specific chemical or photophysical properties.
• Analytical Chemistry: May be employed as a reference standard or reagent in method development and quality control laboratories for chromatographic analysis.

Basic Information

Product Name	3-(tert-Butyl)-4-((2-Hydroxy-3-Methoxyphenyl)Methylene)-1-Phenyl-2-Pyrazolin-5-One
CAS No.	1047724-35-5
Molecular Formula	C21H22N2O3
Molecular Weight	350.42 g/mol
Synonyms	1-Phenyl-3-tert-butyl-4-(2-hydroxy-3-methoxybenzylidene)-5-pyrazolone; 3-tert-Butyl-4-(2-hydroxy-3-methoxybenzylidene)-1-phenyl-1H-pyrazol-5(4H)-one; 4-[(2-Hydroxy-3-methoxyphenyl)methylene]-3-(1,1-dimethylethyl)-1-phenyl-2-pyrazolin-5-one; tert-Butyl pyrazolone derivative; Light-sensitive pyrazolone intermediate
EINECS	Contact for details

Quality Control

Our production of 3-(tert-Butyl)-4-((2-Hydroxy-3-Methoxyphenyl)Methylene)-1-Phenyl-2-Pyrazolin-5-One adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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