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 675721 Heptachlor-exo-epoxide, 10.0 µg/ml, Ethyl acetate Price on request 94009 Volatile Standard Price on request 79321 Bromacil Price on request