Trimethoprim, certified, 0.25g Back Catalog number: C17875000 Availability: In the manufacturer's stock Price on request - + Recommended 677148 Diphenyltin dichloride, 1000 µg/ml, Methanol, 5m Price on request 8578-100MG Triton X-405 (70% in water), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request 92772 Phthalate Standard, 2000µg/mL in acetone, 1ml Price on request