Trimethoprim Back Catalog number: 72605 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2690.34-5UG 17ß(H),21 alpha(H)-(22S)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 79897-70-4 Price on request 9674.19-K-T Glycidyl palmitate, Gly-P Price on request 673881 Paraoxon-ethyl, 10 µg/ml, Cyclohexane, 10ml Price on request