17 alpha(H),21ß(H)-(22S)-Homohopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 1338.31-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 675101 n-Undecylbenzene, 100mg Price on request 92765 Semi-Volatile Standard Price on request 682270 Paraxanthine, 50mg Price on request