Levonorgestrel, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A14629760AL-100 Availability: In the manufacturer's stock Price on request - + Recommended 0306.21-200-T 6-Methylbenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2381-39-7 Price on request 15900-0932-10AN5 Chlorothalonil R417888 sodium, 10µg/ml in AL, 5ml Price on request 681127 D10-Diphenylamine, 100 µg/ml, Ethyl acetate, 1ml Price on request