1,2:3,4-Diepoxybutane Back Catalog number: 70355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12012.10-25MG Serotonin hydrochloride,neat,neat,25mg, Price on request 30105 EPA Method 552,552.1,552.2 Internal Std Price on request 2755.11-10MG 6-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17579-79-2 Price on request