Selenium (Se) Back Catalog number: 56034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 99932 Fermentation Standard II, in Water, 1ml Price on request 2938.6-100-IO Dimethyl-d6 tetrachloroterephthalate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 350818-66-5 Price on request 40121 1,2-Dichloroethane-d4 Price on request