Lactulose This product has been discontinued. A β-galactosidase substrate. 产品信息 Form White solid Molar mass 342.3 Purity ≥97% by HPLC Solubility H2O Chemical formula C12H22O11 RTECS LS6965000 CAS number 4618-18-2 Merck USA index 14, 5346 商店和运输信息 Storage +15°C to +30°C Ship Ambient Temperature Only Standard Handling