1,2:3,4-Diepoxybutane Back Catalog number: 70355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70415 N-(n-Butylbenzene) sulfonamide Price on request 92605 WS PAH Calibration Level 4 Price on request 55064 WP & DMRQA Nutrients #2 Price on request