Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673908 Hexaflumuron, 10 µg/ml, Ethyl acetate, 10ml Price on request 97054 Aromatic EPH Standard Price on request 2005.12-10MG 2,2',3,4,4',5,5'-Heptachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35065-29-3 Price on request