1,2:3,4-Diepoxybutane Back Catalog number: 90975 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A601797 4-Aminobiphenyl-d9, 10mg Price on request 1699.20-200-T 1-n-Butylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 35980-18-8 Price on request 82402R EPA Method 8240A Mix #2 Price on request