ICPMS Internal Standard Back Catalog number: 50806 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1810.13-50-IO Hexachlorophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 70-30-4 Price on request P479950-250MG Piperacillin, 250mg Price on request 8863.5-K-IO 2-Methylthiopyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request