QC Standard 5 Back Catalog number: 53088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1993.10-50-IO 1-Chloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 90-13-1 Price on request 681777 Monomethyl phthalate, 250mg Price on request L15970000ME Pentachlorophenol, 10µg/mL in MeOH, 10ml Price on request