Water-18O (18O>98%)-25g$3,000.00 Water-18O (18O>98%) Product Catalog # Size Price (USD) Quantity Water-18O (18O>98%)-25g 291808-25G 25 g $3,000.00 - Water-18O (18O>98%)-25g quantity + For more size options, please click: Water-18O (18O>98%) 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.