1-Butene Back Catalog number: 71677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2478.10-100-IO Dimethyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93951-89-4 Price on request BDE-183S 2,2',3,4,4',5',6-Heptabromodiphenyl ether, 50µg/ml in IO, 1ml Price on request 70152 Dieldrin Price on request