rac 3,4-Dihydroxymandelic Acid, 500mg

EPA Method 508 Analyte Mix #2

17ß-Estradiol-2,4,16,16-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 66789-03-5

Dimethoate, 100µg/mL in Hexane, 1ml