Trimethoprim, 100μg/mL in Acetonitrile, 1ml Back Catalog number: XA17875000AL Availability: In the manufacturer's stock Price on request - + Recommended 30277 EPA Method 548.1 Analyte Price on request FRS-039S Hexachlorocyclopantadienyl-dibromocyclooctane, 100µg/ml in Toluene, 1ml Price on request ACQ-SE03-030 Ethanol standard in serum,0.3g/L,serum, 3mL Price on request