TBHQ-d12 (tert-Butylhydroquinone-d12) is the deuterium labeled TBHQ (HY-100489). TBHQ (tert-Butylhydroquinone) is a widely used Nrf2 activator, protects against Doxorubicin (DOX)-induced cardiotoxicity through activation of Nrf2[1]. TBHQ (tert-Butylhydroquinone) is also an ERK activator, rescues Dehydrocorydaline (DHC)-induced cell proliferation inhibitionin melanoma[2].