Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended XA12700000AL Dimethoate, 100µg/ml in Acetonitrile, 1ml Price on request 1706.9-K-AN DL-N-Nitrosonornicotine-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 66148-19-4 Price on request 8944.7-100-CY 2,6-Dichlorobenzonitrile Price on request