17ß(H),21 alpha(H)-30-Norhopane, 100µg/mLin isooctane, 1mL Back Catalog number: 0614.29-100-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 79275 2-Methylthiophene Price on request 40716 Benzo(g,h,i)perylene Price on request 11682.12-100-IO 3,4,5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request