OrganoPhosphorus Pesticide Mix #1 Back Catalog number: 95025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0201.18-10MG Benz[a]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 56-55-3 Price on request 2041.4-50-ME Perfluorobutane sulfonic acid, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59933-66-3 Price on request DF-IS-D40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request