Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12113.9-100-ME Dimetridazole-d3 (N-methyl-d3),100 µg/mL,MeOH,1mL, Price on request 684556 Benzyldimethyloctylammonium chloride, 100 µg/ml, Price on request 72052 trans-1,3-Dichloropropene-d4 Price on request