1,3-Butadiene Back Catalog number: 95491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1087.18-100-TX5 Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2 Price on request 93874 L-(+)-Ribose Price on request 0315.21-200-T Dibenz[a,j]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 224-42-0 Price on request