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 1165-25 ML Tetrahydrofuran-d8, 99.5 atom%D, 25ml Price on request 1136-5 G Phenol-d6, 98 atom%D, 5g Price on request 1169-25 ML Toluene-d8, 99 atom%D, 25ml Price on request