Piridinas

Impurity Pethidine impurity B
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.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
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),

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

Impurity Chlorpheniramine EP Impurity B
Applications A metal-complexing agent; an effective iron chelating agent to help protect against UVB radiation. An impurity of Chlorpheniramine Maleate (C424300).
References Bissett, D. et al.: Photochem. Photobiol., 54, 215 (1991); Patel, M.H. et al.: J. Enzyme Inhib. Med. Chem., 26, 188 (2011);

Applications A useful precursor to agrochemicals and antidotes for organophosphate poisoning.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Qiao, L., et al.: Bioorg. Med. Chem. Lett., 19, 6122 (2009), Giri, A., et al.: Food Chem., 120, 621 (2010), Farrer, N., et al.: Chem. Res. Toxicol., 23, 413 (2010),