1,3-Butadiene Back Catalog number: 95491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0203.22-10MG Dibenz[a,h]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53-70-3 Price on request 60043 RBCA VPH Mix Price on request 1326.18-10UG Chrysene-trans-5,6-dihydrodiol, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 56183-24-5 Price on request