Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL, Back Catalog number: 1088.20-400-CY Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 11692.12-100-IO 2,3,3',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 2310.10-100-CY Chlorotoluron Price on request 680444 gamma-HCH, 100 µg/ml, Methanol, 1ml Price on request