1,2:3,4-Diepoxybutane Back Catalog number: 70355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P48-W-ES WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Price on request 680671 PBDE 3, 250mg Price on request D450653-50MG Dihydroergotamine (+)-Tartrate Salt (2:1), 50mg Price on request