17 alpha(H),21ß(H)-(22RS)-Homohopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 2255.31-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 9353.10-K-ME (S)-(-)-Cotinine, 1000µg/ml in MeOH, 1ml Price on request S-4016-ASS-IO Whole Oil Control Mixture 2 Relative ratios Chiron No. Name CAS No. by weight: 1300.6 Benzene [71-43-2] 1.5 1305.7 3, Price on request 98679 Pyridine Price on request