Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3256.15-K-IO Methyl 9-cis-tetradecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 56219-06-8 Price on request 678150 Terbufos-sulfone, 100 µg/ml, Acetonitrile, 1ml Price on request 70376 Strychnine Price on request