17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml Back Catalog number: 1339.31-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 70839 Strobane Price on request 70972 n-Nonadecane Price on request 50282 QC-21 - ICP Optical Price on request