Color Back Catalog number: 50819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673627 Kresoxim-methyl, 10 µg/ml, Ethyl acetate, 10ml Price on request 14953.6-50-AN N-Ethyl-n-perfluorobutanesulfonamide (N-EtFBSA), 50μg/ml in Acetonitrile, 1ml Price on request XA13920000AL Formothion, 100µg/ml in Acetonitrile Price on request