Selenium (Se) Back Catalog number: 58034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9194.17-K-ME Omeprazole-d3 (benzimidazole-4,6,7-d3),1000 µg/mL,MeOH,1mL Price on request 92845 EPA Method 525.2 Pesticide Level 2 Price on request 678213 Benzobicyclon, 100 µg/ml, Acetonitrile, 1ml Price on request