Selenium (Se) Back Catalog number: 57234 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2761.14-100-AN 3,3'-Dimethoxybenzidine,100 µg/mL,acetonitrile,1mL, Price on request B2729 4,4'-Bis(2-benzoxazolyl)stilbene, >97%, 25g Price on request 96062 4-(tert-Octyl)phenol Price on request