Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676350 Prothioconazole-desthio, 100 µg/ml, Acetonitrile, Price on request 71696 Phenylacetic acid Price on request 2244.34-50-5MX Fumonisin B1, 50µg/mL, Solvent-acetonitrile/water (50/50), Unit 5mL, # of units-1, Cas.no. 116355-83-0 Price on request