NCGSI Standard Back Catalog number: 93127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3929.2-5K-ME 1,1-Dichloroethane,5000 µg/mL,MeOH,1mL, Price on request 2042.8-10MG n-Perfluorooctanoic acid Price on request BDF-247 2,4,7-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request