Water-18O, nomalized, 97 at%18O, 1g Back Catalog number: 1179-1 G Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1107-5 ML n-Heptane-d16, 99 atom%D, 5ml Price on request 1141-25 ML 2-Propanol-d1, 98 atom%D, 25ml Price on request 1058-10 ML Cyclohexane-d12, 99.5 atom%D, 10ml Price on request