1-Butene Back Catalog number: 71677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0748.12-K-IO 1,8-Dimethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 25419-33-4 Price on request 675556 Cinosulfuron, 10 µg/ml, Acetonitrile, 10ml Price on request 92952 EPA Method 8081A Organochlorine Pesticides Price on request