Internal Reference Standard Back Catalog number: 52187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BB-3 4-Bromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 96613 Quinine.HCl Price on request 676390 Kresoxim-methyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request