1,3-Butadiene Back Catalog number: 95491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57074 Tungsten (W) Price on request 679795 Difloxacin hydrochloride, 100 µg/ml, Methanol, 1 Price on request 1089.22-100-TX10 Benzo[ghi]perylene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 93951-66-7 Price on request