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 1145-10 ML Pyridine-d5, 99.5 atom%D, 10ml Price on request 1142-1 ML 2-Propanol-d7, 99.5 atom%D, 1ml Price on request 1165-50 ML Tetrahydrofuran-d8, 99.5 atom%D, 50ml Price on request