Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended PFRS-026S Tris(2,3-dibromopropyl) phosphate, 100µg/ml, TO, 1 Price on request 10219.11-100-ME n-Butyl 4-hydroxybenzoate-butyl d9, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1216904-65-2 Price on request 684588 Propoxycarbazone sodium, 100 μg/ml in MeOH, 1ml Price on request