1,2-Epoxybutane Back Catalog number: 70429 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2458.7-K-IP 4-Methyl-2-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 119-33-5 Price on request 678506 Tecnazene, 100 µg/ml, Acetonitrile, 1ml Price on request 9341.13-100-IO Benzophenone-d10, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 22583-75-1 Price on request