17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 1321.29-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 1930.8-1ML Heptafluorobutyric anhydride, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 336-59-4 Price on request 672845 Diphenylamine, 250mg Price on request 58123 Vanadium (V) Price on request