Fmoc-Arg(Pbf)-OH (13C6,15N4) Product Catalog # Size Price (USD) Quantity Fmoc-Arg(Pbf)-OH (13C6,15N4)180178-100MG100 mgPlease InquirePlease InquireFmoc-Arg(Pbf)-OH (13C6,15N4)180178-500MG500 mgPlease InquirePlease InquireFmoc-Arg(Pbf)-OH (13C6,15N4)180178-1G1 gPlease InquirePlease Inquire Description Labeled CAS #: 1217461-89-6 Unlabeled CAS #: 154445-77-9 Molecular Formula: (13C)6C28H40(15N)4O7S Molecular Weight: 658.7