Description

Difenamizole CAS NO 20170-20-1 is a non-steroidal anti-inflammatory drug (NSAID) derivative with analgesic and antipyretic properties. Its primary value lies in its role as a key pharmaceutical intermediate for the synthesis of more complex therapeutic agents. This compound is essential for manufacturers and research institutions in the pharmaceutical and life sciences sectors developing new anti-inflammatory medications.

Application

• Pharmaceutical Intermediate: Primary use in the synthesis of active pharmaceutical ingredients (APIs) for non-steroidal anti-inflammatory drugs (NSAIDs).
• Analgesic Drug Development: Serves as a core building block in research and production of novel pain management medications.
• Antipyretic Agent Synthesis: Used in the manufacture of compounds designed to reduce fever.
• Biochemical Research: Employed in pharmacological studies to investigate mechanisms of inflammation and pain pathways.
• Reference Standard: Utilized as an analytical standard in quality control laboratories for drug testing and verification.

Basic Information

Product Name	Difenamizole
CAS No.	20170-20-1
Molecular Formula	C₁₉H₂₀N₂O
Molecular Weight	292.38 g/mol
Synonyms	Difenamizole; 1,5-Diphenyl-3-(dimethylcarbamoyl)pyrazole; 1,5-Diphenyl-3-(N,N-dimethylcarbamoyl)pyrazole; 1,5-Diphenyl-3-(dimethylaminocarbonyl)pyrazole; Difenamizolum; NSC 526063; Pyrazol-3-yl-dimethylamide, 1,5-diphenyl-; 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid dimethylamide
EINECS	Contact for details

Quality Control

Our Difenamizole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for pharmaceutical intermediate applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must 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
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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