1,2-Epoxybutane Back Catalog number: 70429 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676923 1,2,5,6,9,10-Hexabromocyclododecane, 250mg Price on request 9666.4-K-AN N-Nitrosodiethanolamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1116-54-7 Price on request 11020.31-5UG 2?-Methyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg, Price on request