17 alpha(H),21ß(H)-(22RS)-Homohopane, 10µg Back Catalog number: 2255.31-10UG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 79050 Heptachlor epoxide Price on request 3741.12-100-IO 2,3,4',5,6-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 18259-05-7 Price on request 71620 Ethylcyclohexane Price on request