Miscellaneous Organic Molecules with Isotopical Substitutions

<p>Stability Very Volatile<br>Applications Isotope labelled N-Nitrosodimethylamine is a highly toxic semi-volatile organic compound and a suspected human carcinogen. It induces liver tumors in rats after chronic exposure to low doses (1,2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.<br>Dangerous Goods Info This compound is forbidden to ship by air under IATA regulations.<br>References 1. Peto, R. et al.: Cancer Res.1991 Dec 1;51(23 Pt 2):6415-51.2. Lee, ES. et al.: J. Pharm. Pharmacol., 2003 Aug;55(8):1169-74<br></p>

<p>Applications Active antimalarial constituent of the tradional Chinese medicinal herb Artemisia annua L., Compositae, which has been known for almost 2000 years as Qinghao. Antimalarial.<br>References Klayman, D.L., et al.: Science, 228, 1049 (1985), Price, R.N., et al.: Expert Opin. Invest. Drugs, 9, 1815 (2000), Meshnick, S.R., et al.: Int. J., Parasitol., 32, 1655 (2002),<br></p>

<p>Applications 2-Chloroethanol is used in the preparation of TTFTT (tetrathiafulvalene-2,3,6,7-tetrathiolate) and important building block in TTF syntheis. In addition, it is used in the synthesis of vinyltriazoles. This is the labeled analog.<br>Dangerous Goods Info This compound is forbidden to ship by air under IATA regulations.<br>References Svenstrup, N. et al.: Synthesis, 8, 809 (1994); Thibault, R. et al.: J. Am. Chem. Soc., 128, 12084 (2006);<br></p>

<p>Stability Unstable in Solution<br>Applications The main labelled metabolite of Artemisinin, Arteether, Artemether, Artesunate. An active antimalarial metabolite.<br>References e Vries, P., et al.: Drugs, 52, 818 (1996), Kamolrat, S., et al.: Antimicrob. Agents Chemother., 47, 3795 (2003), Mithwani, S., et al.: Br. J. Clin. Pharmacol., 57, 146 (2004),<br></p>

<p>Applications N-Methyl-d3-N-nitroso-p-toluenesulfonamide is the labeled version of Diazald; Diazomethane precursor.<br>References Takizawa, et al.: J. Pharm. Soc. Jpn., 70, 490 (1950)<br></p>