Selenium (Se) Back Catalog number: 58134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9369.13-K-IO Mono-iso-pentyl phathalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17866-76-1 Price on request 2759.7-100-AN o-Toluidine,100 µg/mL,acetonitrile,1mL, Price on request 38158 RCRA Carbamates Price on request