17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 2888.30-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 678112 n-Hexane, 5ml Price on request 94185 8270 Semi-Volatile Standard Price on request 678273 Chlorbromuron, 100 µg/ml, Acetonitrile, 5ml Price on request