Chlorpyrifos-oxon, certified, 50mg Back Catalog number: C11603000 Availability: In the manufacturer's stock Price on request - + Recommended 79053 4,4’-Methoxychlor Price on request EPA-513CSSA Cleanup Standard Spiking Solution, 1.2ml, nonane Price on request 678385 Diafenthiuron, 100 µg/ml, Acetonitrile, 1ml Price on request