Pyrazole

CAS NO. 288-13-1

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Product Description

Product Name	Pyrazole (1H-Pyrazole) (Pharmaceutical & Agrochemical Intermediate)
CAS NO.	288-13-1
Formula & Weight	C3H4N2 (MW: 68.08)
Chemical Structure
Technical Specifications	Appearance: White to off-white crystalline powder Purity (GC): ≥ 99.0% (Pharma Grade available) Moisture (Karl Fischer): ≤ 0.5% Melting Point: 67 - 70°C Boiling Point: 186 - 188°C Solubility: Soluble in water, ethanol, and ether.
Key Applications	A versatile nitrogen-heterocyclic building block essential for: Pharmaceutical APIs: Critical intermediate for synthesizing Celecoxib (COX-2 inhibitor), anti-inflammatory drugs, and anticancer agents. Advanced Agrochemicals: Key precursor for Fipronil (broad-spectrum insecticide), Fluxapyroxad (fungicide), and Tebufenpyrad (acaricide). Fine Chemical Synthesis: Used as a ligand in organometallic chemistry and a building block for specialty dyes.
Packaging & Documentation	Packaging: Fiber Drum with double PE liners (Customized packing available). Documentation: COA, MSDS, TDS, and Commercial Invoice available upon request. *Manufactured under ISO 9001 strict quality control.

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