Fmoc-Arg(Tos)-OH Product Catalog # Size Price (USD) Quantity Fmoc-Arg(Tos)-OH100207-5G5 g$73.00 - Fmoc-Arg(Tos)-OH-5g quantity + Fmoc-Arg(Tos)-OH100207-25G25 g$208.00 - Fmoc-Arg(Tos)-OH-25g quantity + Add to cart Description Synonym: N-α-Fmoc-N-g-tosyl-L-arginine CAS #: 83792-47-6 Molecular Formula: C28H30N4O6S Molecular Weight: 550.6