Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94475 Alcohol-Glycol Standard, 4000µg/ml in Water, 1ml Price on request 0400.21-150-CY n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7 Price on request 676304 Levamisole hydrochloride, 250mg Price on request