Selenium (Se) Back Catalog number: 58134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0633.25-K-IO 2,6,10,14,18-Pentamethylheneicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66519-77-5 Price on request Z18000010IO Pesticide-Mix 10, 1 ng/µl, 10ml Price on request 2126.12-100-IO Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9 Price on request