1-Butene Back Catalog number: 71677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56124 Chromium (Cr) Price on request 8975.47-100-ME 3-Chloro-1,2-propandiol-dierucidate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 9696.7-10G o-Toluenesulfonamide, neat, Solvent-neat, Unit 10g, # of units-1, Cas.no. 88-19-7 Price on request