Instrument Standard 5 Back Catalog number: 52081 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2608.20-5MG 1,2,3,6,7,8,9,10,11,12-Decahydrobenz[e]pyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 92387-50-3 Price on request 11415.11-10MG Levamisole hydrochloride,neat,neat,10mg, Price on request 32461 1,1,2-Trichloroethane Price on request