Selenium (Se) Back Catalog number: 57234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30952 Dibromochloromethane Price on request 2499.13-50-IO 3-Methyldibenzothiophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-52-3 Price on request XA10655503AL Bisphenol A D14, 100 ng/µl, 1.1ml Price on request