17 alpha(H),21ß(H)-(22RS)-Homohopane, 10µg Back Catalog number: 2255.31-10UG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 92636 TPH Internal Standard Price on request 79490 Dioxathion Price on request 71942 1,8-Dimethylnaphthalene, 1000µg/ml in MeOH, 1ml Price on request