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 8936.4-1G Fumaric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 110-17-8 Price on request 79027 Benzo(a)pyrene Price on request 79004 Acetone, 1000µg/ml in MeOH:Water (9:1), 1ml Price on request