Trimethoprim, certified, 0.25g Back Catalog number: C17875000 Availability: In the manufacturer's stock Price on request - + Recommended AC-AQ50-015 Aqueous ethanol control EtOH AQ (5.0g/L), 10x1,5ml Price on request 2993.9-K-CY 2,5-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2216-30-0 Price on request 71220 n-Tetracontane Price on request