4-Nitrophenyl Phosphate (sodium salt hydrate) (p-Nitrophenyl Phosphate, para -Nitrophenyl Phosphate, 4-NPP, pNPP, CAS Number: 333338-18-4) | Cayman Chemical
4-Nitrophenyl phosphate disodium salt hexahydrate, 25 g, CAS No. 4264-83-9 | Substrates for Biochemistry | Biochemistry | Life Science | Carl Roth - International