Piridinas

<p>Impurity Atenolol Impurity 3; Atenolol Impurity 1<br>Applications Atenolol Impurity 3. Atenolol Impurity 1.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications 3-Hydroxy-2-pyrone<br></p>

<p>Applications Isocyanobenzene is used in the study of the inhibition mechanism of reconstituted cytochrome p-450scc-linked monooxygenase system by antimycotic reagent and other inhibitors.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Kurokohchi K., et al.: J. Steroid Biochem. Mol. Biol., 42, 287 (1992)<br></p>

<p>Impurity Pethidine impurity B<br>Applications 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine is a dopaminergic neurotoxin that reportedly causes a severe and irreversible Parkinsonian condition in humans and monkeys.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Burns, R.S., et al.: Proc. Natl. Acad.Sci. USA, 80, 4546 (1983), Langston, J.W., et al.: Science, 219, 979 (1983), Mogi, M., et al.: Neurosci. Lett., 250, 25 (1998), Przedborski, S. and Jackson-Lewis, V., Mov. Disord., 13, 35 (1998),<br></p>