Metazachlor ESA, 100µg/mL in Acetonitrile/MeOH, 1m Back Catalog number: A14950020MC-100 Availability: In the manufacturer's stock Price on request - + Recommended 1845.15-1G 4-n-Octylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 3575-31-3 Price on request 683726 Formaldehyd-DNPH, 100 µg/ml, Acetonitrile, 5ml Price on request 19317 EPA Method 625 Base/Neutrals Mix #4 Price on request