o-Nitrophenyl-β-D-galactopyranoside A β-galactosidase substrate for colorimetric and EIA applications; counterpart of widely used pNPP/alkaline phosphatase substrate. o-Nitrophenol is produced as the end product and is monitored at 405 nm. 产品信息 Form White to off-white solid Molar mass 301.2 Purity ≥98% (Enzymatic method) Contaminants free o-nitrophenol: ≤0.05% Solubility H2O Chemical formula C12H15NO8 CAS number 369-07-3 商店和运输信息 Storage +2°C to +8°C Ship Ambient Temperature Only Standard Handling