Trimethoprim, 100μg/mL in Acetonitrile, 1ml Back Catalog number: XA17875000AL Availability: In the manufacturer's stock Price on request - + Recommended 59530 Metals Mix #2 Price on request 31056 EPA Method 552.1 - Surrogate Standard Price on request 1785.18-10MG 6-Aminochrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2642-98-0 Price on request