17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 2888.30-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 677966 Azinphos-ethyl, 100 µg/ml, Toluene, 1ml Price on request EPA-8290STN Native Stock PCDDs and PCDFs, 1.2ml, nonane Price on request 1764.13-10MG 2-Amino-9-fluorenone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3096-57-9 Price on request