cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3883.2-100MG Azodicarbonamide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 123-77-3 Price on request CARP-2 Reference Fish Tissue (homogenate) for Organic Contaminant Analysis, 6 x 9g, N/A Price on request 3309.19-100 Allethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 584-79-2 Price on request