Selenium (Se) Back Catalog number: 56034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MFHUEA 2H-Perfluoro-[1,2-13C2]-2-octenoic acid (6:2), 1.2ml x 50ug/ml, isopropanol Price on request 681338 Fluroxypyr pyridinol, 10mg Price on request 10212.8-50MG Methyl 4-hydroxybenzoate-2,3,5,6-d4,neat,neat,50mg, Price on request