Selenium (Se) Back Catalog number: 57834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock 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 10657.19-25-MX U-{13c19}Diacetoxyscirpenol Price on request 673627 Kresoxim-methyl, 10 µg/ml, Ethyl acetate, 10ml Price on request