Multi-Element Check Standard Back Catalog number: 59001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HPCB-3004N 4-Hydroxy-2,2',5'-trichlorobiphenyl, 5mg Price on request 680616 Dipropylene glycol dibenzoate, 250mg Price on request 3964.6-50-IO 1,2,4-Tribromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 615-54-3 Price on request