Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL, Back Catalog number: 0239.20-400-05CY Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 8466.3 2-Imidazolinethione, , Solvent-, Unit , # of units-, Cas.no. Price on request 72281 L-Tryptophan Price on request 0420.17-150-CYX10 n-Heptadecane, ?13C: - 25.72, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-78-7 Price on request