Selenium (Se) Back Catalog number: 57234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0401.22-150-CYX10 n-Docosane, ?13C: -30.35, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-97-0 Price on request 673555 Dimethoate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 9489.24-K-ME Tris(2-ethylhexyl)phosphate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 78-42-2 Price on request