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 1003-50 ML Acetic acid-d, 99 atom%D, 50ml Price on request 1121-10 X 0.6 ML Methanol-d4, 99.8 atom%D, 10 x 0.6ml Price on request 1144-50 ML Pyridine-d5, 99 atom%D, 50ml Price on request