PAH Standard (50 ppm) Back Catalog number: 98654 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678413 Fenson, 100 µg/ml, Acetonitrile, 5ml Price on request D289905-1MG Desfuroyl Ceftiofur Cysteine Disulfide (Contain 5% Ceftiofur), 1mg Price on request 2663.10-100 Toxaphene, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 8001-35-2 Price on request