Levonorgestrel, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A14629760AL-100 Availability: In the manufacturer's stock Price on request - + Recommended EPA-1613CS3 Calibration Verification Solution , 1ml, nonane Price on request 2796.18-10-AN ß-Zearalanol, 10 µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 42422-68-4 Price on request 52052 Mixed Calibration Kit Price on request