Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPFUDA Perfluoro-n-[1,2-13C2]undecanoic acid, 1.2ml x 50ug/ml, methanol Price on request 71393 2,4,6-Trinitrotoluene Price on request 34571 1,2,4,5-Tetrachlorobenzene Price on request