Xanthene Back Catalog number: 73460 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3730.12-50-IO 5'-Fluoro-2,3,3',4,4',5,6-heptachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 2352.16-100-ME Tetrabutylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1643-19-2 Price on request 676681 Sodium benzoate, 250mg Price on request