p-Nitrotetrazolium blue chloride

p-Nitrotetrazolium blue chloride min. 98 %, p.a. Nitro-BT, NBT, Nitroblue tetrazolium chloride C40H30Cl2N10O6, Mol.weight 817,65g/mol, Storage temp. +4°C, CAS-No. 298-83-9, EG-No. 206-067-4