2,2-Diphenyl-1-picrylhydrazyl by Research Lab Fine Chem Industries is a high grade reagent. Also known as DPPH, this compound is composed of stable free-radical molecules. The reagent is available as a black to green powder which is insoluble in water. It has a melting point of 135 C. While it is stable under general conditions, this reagent is incompatible with strong oxidizing agents. CAS No.: 1898-66-4 Quantity Provided: 250 mg per bottle Molecular formula: C18H12N5O6 Molecular weight: 394.32 Assay: 85 %2,2-Diphenyl-1-picrylhydrazyl has a variety of applications in chemical and biological sectors. This compound finds several applications in the synthesis of various organic derivatives. DPPH is majorly used to monitor chemical reactions involving radicals, and it is most notably a common antioxidant assay. It is additionally utilized as a standard of the position and intensity of electron paramagnetic resonance signals. This reagent is suitable for the industrial synthesis of products and research applications.