p-n-Nonylphenol Monoethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

4 alpha-Methyl sterane Kit; includes 0664,0665 (2 samples, 3 compounds), , Solvent-, Unit Kit, # of units-, Cas.no.

13C6-Sulfanilamide, 10mg

BTEX Mixture 2 6 Analytes, each 2000 µg/mL in methanol; units:1x1 mL, 1x5mL 1300.6 Benzene [71-43-2] 1267.8 o-Xylene [95-47-6] 1264.7 Toluene [108-88-2] 1266.8m-Xylene [108-38-3] 1268.8 Ethylbenz