Interference Standards Set Back Catalog number: 52038 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 IBPO014 Allura Red AC (E 129), 1g Price on request 672828 Tralkoxydim, 250mg Price on request