Butachlor ESA sodium salt, 100µg/ml in MeOH, 1ml Back Catalog number: MET-11353AM1-1ML Availability: In the manufacturer's stock Price on request - + Recommended 91161 EPA Method 525 Internals & Surrogates Price on request L20018900IO PCB No. 189, 10µg/ml in Isooctane, 10ml Price on request 10641.15-10MG RPA 202248 (a metabolite of isoxaflutol), 10mg Price on request