trans-1,4-Dichloro-2-butene Back Catalog number: 34051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94203 Method 624 Volatile Standard Price on request 70429 1,2-Epoxybutane Price on request 2037.8-50-ME Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1 Price on request