EPA Method 507 - Performance Check Solution Back Catalog number: 19030 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1225.12-K-IO Diethyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-66-2 Price on request 1209.16-200-T 5H-Benzo[b]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-28-7 Price on request 677601 Pyridoxamine dihydrochloride monohydrate, 100mg Price on request