1-Butene Back Catalog number: 71677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 60011 Minnesota Health List Mix #4 - Gases Price on request 1036.22-200-T Benzo[c]chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 194-69-4 Price on request 11143.24-K-IO Tris(2,3-dimethylphenyl) phosphate,1000 µg/mL,isooctane,1mL, Price on request