22-148 Part ID: 22-148 Product Details Size/Concentration 45 mg Format Amber vial Packaging 1 ea Storage Freezer Download SDS Description ONPG,1.1ML UMU Test Features ONPG (Ortho-Nitrophenyl-β-galactoside). Reconsitute w/ 1.1 ml sterile dH2O Related Products 31-301 31-100.2 26-711.15