Description

3-Hydroxy-1-(4-Methylphenyl)-4,5-Dihydro-1H-Pyrazole is a versatile pyrazole derivative, a key heterocyclic building block in advanced organic synthesis. Its structure is critical for imparting specific biological and chemical properties in downstream products. This compound is essential for R&D and production in the pharmaceutical and agrochemical sectors, where it serves as a precursor for active ingredients and functional materials. The CAS number for this product is 31289-17-5.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Serves as a key building block for developing advanced pesticides, herbicides, and fungicides with enhanced efficacy and selectivity.
• Ligand and Catalyst Development: Used in the preparation of specialized ligands for metal complexes and catalysts used in asymmetric synthesis and other fine chemical processes.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific thermal or optical properties.
• Chemical Research & Development: Employed in academic and industrial labs for exploring new heterocyclic chemistry and reaction pathways.
• Dye and Pigment Intermediate: Acts as a starting material for synthesizing complex organic dyes and functional colorants.

Basic Information

Product Name	3-Hydroxy-1-(4-Methylphenyl)-4,5-Dihydro-1H-Pyrazole
CAS No.	31289-17-5
Molecular Formula	C10H12N2O
Molecular Weight	176.22 g/mol
Synonyms	1-(4-Methylphenyl)-4,5-dihydro-1H-pyrazol-3-ol; 3-Hydroxy-1-p-tolyl-4,5-dihydro-1H-pyrazole; 1-(p-Tolyl)-4,5-dihydro-1H-pyrazol-3-ol; 4,5-Dihydro-1-(4-methylphenyl)-1H-pyrazol-3-ol; 3-Pyrazolin-3-ol, 1-(4-methylphenyl)-4,5-dihydro-; 31289-17-5; 1H-Pyrazol-3-ol, 4,5-dihydro-1-(4-methylphenyl)-
EINECS	Contact for details

Quality Control

Our 3-Hydroxy-1-(4-Methylphenyl)-4,5-Dihydro-1H-Pyrazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our quality commitment supports compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.