Selenium (Se) Back Catalog number: 58134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675574 Fenamidone, 10 µg/ml, Ethyl acetate, 10ml Price on request 675870 Metazachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request 10248.13-100MG 2,4-Dihydroxybenzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-56-6 Price on request