Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3425.9-100-AN Isobenzan Price on request 677495 D6-Thiophanate-methyl, 100 µg/ml, Acetonitrile, Price on request 679888 3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile, Price on request