Trimethoprim, certified, 0.25g Back Catalog number: C17875000 Availability: In the manufacturer's stock Price on request - + Recommended 675668 Sulprofos, 100 µg/ml, Ethyl acetate, 5ml Price on request 3244.22-K-IO 13-trans-Docosenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-33-2 Price on request 71338 2,2,5-Trimethylhexane Price on request