H-D-4,4′-Biphe-OH-25g$1,590.00 H-D-4,4′-Biphe-OH Product Catalog # Size Price (USD) Quantity H-D-4,4′-Biphe-OH-25g 182718-25G 25 g $1,590.00 - H-D-4,4′-Biphe-OH-25g quantity + For more size options, please click: H-D-4,4′-Biphe-OH 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.