Levonorgestrel, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A14629760AL-100 Availability: In the manufacturer's stock Price on request - + Recommended C-189N 2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Price on request DF-1267-S 1,2,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request X9191 2,4,5-T Price on request