QC Standard 5 Back Catalog number: 52088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79420 2-Methylnaphthalene Price on request 11854.12-K-ME Bis(p-chlorophenyl) sulfone,1000 µg/mL ,MeOH,1mL, Price on request 675049 Dimethachlor, 250mg Price on request