EPA Method 1613 Native Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1613STOCK Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676350 Prothioconazole-desthio, 100 µg/ml, Acetonitrile, Price on request C13245100 17a-Ethinylestradiol, certified, 0.25g Price on request 682542 Probenecid, 100mg Price on request