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 679445 Dieldrin, 100 µg/ml, Methanol, 1ml Price on request XA16173010CY Phthalic acid, bis-2-ethylhexyl ester D4, 100µg/mL in Cyclohexane, 1ml Price on request 679929 m-Xylene, 5ml Price on request