98% (elemental analysis), powder, RNR inhibitor
≥98% (HPLC), solid, RNR inhibitor, Calbiochem
Pharmaceutical Secondary Standard; Certified Reference Material
United States Pharmacopeia (USP) Reference Standard
Vetec™, reagent grade, ≥98%
British Pharmacopoeia (BP) Reference Standard
European Pharmacopoeia (EP) Reference Standard