Levonorgestrel, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A14629760AL-100 Availability: In the manufacturer's stock Price on request - + Recommended 92958 Aroclor 1254 Price on request EPA-533IS EPA Method 533 Isotope Performance Standard PDS, 1.2ml, methanol Price on request 675130 Florasulam, 100 µg/ml, Acetonitrile, 5ml Price on request