or
Pifithrin-a 5mg. 2-(2-Imino-4567-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone HBr. Off-white solid. Cell-permeable p53 chemical inhibitor. Reversibly inhibits p53-dependent transactivation of p53-responsive genes & blocks p53-mediated apoptosis. Purity