cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56011 Sodium (Na) Price on request 676967 Bronopol, 250mg Price on request 8448.25-10MG 1-n-Dodecyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-12, Cas.no. 615280-16-5 Price on request