Juglone (Standard) is the analytical standard of Juglone. This product is intended for research and analytical applications. Juglone (5-hydroxy-1,4-naphthalenedione) is a yellow dye that can be extracted from Juglans regia. Juglone induces apoptosis through the mitochondrial pathway. Juglone has antibacterial and antitumor activity [1][2][3].