Potassium (K) Back Catalog number: 54558 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1115.18-100-TX10 6-Nitrochrysene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203805-92-9 Price on request 2656.12-100-IO 3-Fluoro-2,2',5-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 11615.50-100MG Tylosin tartrate,neat,neat,100mg, Price on request