Verification II Standard 2 Back Catalog number: 52020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678170 Fenfluthrin, 100 µg/ml, Acetonitrile, 1ml Price on request 66007 2,4-Dichlorobiphenyl (7) Price on request 70257 Propazine Price on request