A cell-permeable, stable free radical that is commonly used to evaluate the ability of compounds to act as free radical scavengers or hydrogen donors and to measure the antioxidant activity of tissue extracts; followed by color change from purple (absorbance at 515-528 nm) to yellow.

Synonym(s): DPPH Formula: C18H12N5O6 Formula weight: 394.32 Purity: 95% CAS Number: 1898-66-4 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2927.00 Hazard Statements: H300-H315-H319-H335 Fatal if swallowed. Causes skin irritation. Causes…