Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679891 4,4'-Methylene-bis(2-chloroaniline), 100 µg/ml, A Price on request BDF-23478 2,3,4,7,8-Pentabromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 672895 Thiamethoxam, 100mg Price on request