cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0630.21-K-IO 2,6,10,14-Tetramethylheptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18344-37-1 Price on request 3492.10-100 Propetamphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 31218-83-4 Price on request 3594.55-1MG Chlorophyll B, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 519-62-0 Price on request