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 34281 trans-1,2-Dichloroethene Price on request 8863.5-K-IO 2-Methylthiopyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 21113 EPA Method 8260 - Purgeable Internal Standard Price on request