4-Nitrophenyl beta-D-Galactopyranoside [Substrate for beta-Galactosidase], Min 98.0% (HPLC), TCI America - 4-NITROPHENYL-BETA-D-GALACTOPY [TCN0616-005G-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.