Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended BPAP 4,4'-(1-Phenylethylidene)bisphenol, 1.2ml x 50ug/ml, methanol Price on request 675624 Isoprothiolane, 10 µg/ml, Acetonitrile, 10ml Price on request 11280.19-100-AN (+/-)-Quizalofop-ethyl-d3 (propionate-3,3,3-d3),100 µg/mL,acetonitrile,1mL, Price on request