Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20021 Toxaphene Price on request 0239.20-400-05CY Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL, Price on request 2245.15-50-5AN Deepoxy-deoxynivalenol, quantity corrected, 50µg/mL, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 88054-24-4 Price on request