EPA Method 507/525 Analyte Mix #6 Back Catalog number: 30087 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9702.13-10MG Phenylacetylglutamine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request D453303-50MG 6,6'-Dihydroxy-5,5'-dimethoxybiphenyl-3,3'-dicarbo Price on request 681825 Didodecyldimethylammonium bromide, 100 µg/ml, Ace Price on request