QC Standard 2 Back Catalog number: 53085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681681 2,6-D, 10.0 µg/ml, Acetonitrile, 10ml Price on request 11279.20-100-AN (+/-)-Pyriproxyfen-d4 (pyridyl-d4),100 µg/mL,acetonitrile,1mL, Price on request 675089 Metolachlor, 100 µg/ml, Acetonitrile, 5ml Price on request