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 70341 Propargyl alcohol Price on request 98864 Formaldehyde-DNPH Level 7 (20ug/mL) Price on request 73447 Metronidazole Price on request