Piperazine-1,4-bis(2-ethanesulfonic Acid) Disodium Salt [Good's buffer component for biological research], Min 98.0% (T), TCI America - PIPES 2NA 25GM [TCP0874-025G-EA]
Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.