Water-18O (18O>97%)-25g$2,800.00 Water-18O (18O>97%) Product Catalog # Size Price (USD) Quantity Water-18O (18O>97%)-25g 291807-25G 25 g $2,800.00 - Water-18O (18O>97%)-25g quantity + For more size options, please click: Water-18O (18O>97%) Add to cart Additional information Additional information Weight 0.025 kg Size 25 g For Research & Development use only. Not for testing and/or use on humans.