Miscellaneous Organic Molecules with Isotopical Substitutions

Applications Labelled L-Leucine used as tracers to study human apolipoprotein B metabolism. L-Leucine is an essential amino acid. L-Leucine acts as a nutrient signal to stimulate protein synthesis. It has also activates the mammalian target of rapamycin kinase that regulates cell growth. References Demant, T. et al.: Am. J. Physiol., 270, E1022 (1996); Diraison, F. et al.: Am. J. Physiol., 277, E529 (1999); Suryawan, A. et al.: J. Anim. Sci., 89, 2004 (2011); Peyrollier, K. et al.: Biochem. J., 350, 361 (2000);

Stability Light Sensitive, Temperature Sensitive Applications 4-Keto 13-cis-Retinoic Acid-d6, is the labeled analogue of 4-Keto 13-cis-Retinoic Acid (K204970), a metabolite of Retinoic acid in neuroblastoma. References Andreola, F., et al.: J. Biol. Chem., 279, 3434 (2004), Armstrong, J., et al.: Biochem. Pharmacol., 69, 1299 (2005), Njar, V., et al.: Bioorg. Med. Chem., 14, 4323 (2006), Veal, G., et al.: Br. J. Cancer, 96, 424 (2007),

Applications Labelled Decanoic Acid (D212525). Decanoic acid is used in manufacturing of esters for artificial fruit flavors and perfumes. References Oro, L., et al.: Acta Pharmacol. Toxicol., 18, 141 (1961),

Applications A major labelled metabolite of Irinotecan. References Canal, P., et al.: J. Clin. Oncol., 14, 2688 (1996), Haaz, M., et al.: Cancer Res., 58, 468 (1998), Kehrer, D., et al.: Clin. Cancer Res., 6, 3451 (2000), Hanioka, N., et al.: Xenobiotica, 31, 687 (2001), Satoh, T., et al.: Drug Metab. Dispos., 30, 488 (2002),

Applications A labelled metabolite of Carnitine used in diagnostic screening of patients with inherited disorders of fatty acid oxidation. References Johnson, D.W. et al.: Chem. Phys. Lipids, 129, 161 (2004);

Applications Labelled Deshydroxyethoxy Ticagrelor analog of Ticagrelor (T437700) an antiplatelet agent, and preventative in the treatment of heart attacks, myocardial infarction, and other pulmonary diseases. References Zhang, H. et al.: Bioorg. Med. Chem. Lett., 22, 3598 (2012);

Applications Cytidine-1',2',3',4',5'-13C5 is the isotope labelled analogue of Cytidine (C998300), a constituent of nucleic acids. References Parrou, J., et al.: Anal. Biochem., 248, 186 (1997), Phipps, A., et al.: Xenobiotica, 28, 527 (1998), Mohler, R., et al.: Anal. Chem., 78, 2700 (2006),

Applications Labelled analogue of Tildipirosin, a novel 16-membered-ring macrolide used in veterinary medicine. Tildipirosin treat bacterial pathogens including Mannheimia haemolytica and Pasteurella multocida that cause respiratory tract infections in cattle and swine. References Rose, M. et al.: J. Vet. Pharmacol. Ther., (2012); Anderson, N.M. et al.: Antimicrob. Agents. Chemother., (2012);

Applications Isotope Labelled Formaldehyde (F691350), used in various organic synthesis and reactions. It is used in the textile industry in the area of crosslinking molecules to vary the properties of cotton fabrics (1). It can help improve the water resistance of biodegradable collagen films (2). In the food industry it is used to reinforce and improve packaging of meats and produce. Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants. 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 1. Liang, T. et al.: Text Res. J. 1992 Sep:62(9) 547-5512. Sommer, I. et al.: J. Appl. Polym. Sci. 2012 Sept:125(S2) ppE27-41

Stability Light Sensitive, Volatile Applications Labelled 2-Methylfuran (M305440). 2-Methylfuran is a volatile organic compound (VOCs) used as a potential non-intrusive tool for screening of lung cancer. 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 McWilliams, et al.: Curr. Oncol. Rep., 4, 487 (2002), Buszewski, B., et al.: Biomed. Chromatogr., 21, 553 (2007), Ligor, T., et al.: J. Breath. Res., 1, 1 (2007),

Applications 3-Hydroxybutyrylcarnitine-d3 is labelled 3-Hydroxybutyrylcarnitine (H830900) which is a reagent used to study acylcarnitine profile in thyroid disease. References Wong, S., et al.: Clinical Biochem., 46, 180 (2013); Alu, F., et al.: Heredity, 110, 253 (2013); Adam, B., et al.: Clinical Biochem., 44, 1445 (2011)

Applications Animal growth promotant. Anabolic.Controlled substance. 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 Baldwin, R.S., et al.: Regul. Toxicol. Pharmacol., 3, 9 (1983), Lemieux, P.G., et al.: J. Anim. Sci., 68, 1702 (1990),

Applications Isotope labelled Linoleoyl Carnitine (L486200), a carnitine ester of unsaturated fatty acid. Used in the studies of fibroblasts in long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency and fatty acid oxidation disorders. References Gross R.W., et al.: J. Biol. Chem., 258, 5221 (1983),

Applications 5,5-(Diphenyl-d10) Hydantoin is deuterium labelled Diphenylhydantoin (D491650), which is an anticonvulsant agent that suppresses abnormal brain activity associated with seizure. Diphenylhydantoin is used to treat ulcers, epidermolysis bullosa, chorea, Parkinson’s syndrome, trigeminal neuralgia, acute alcoholism, and inflammatory conditions (1,2). References (1) Kim, S. H., et al.: Birth Defects Res B Dev Reprod Toxicol. 95, 337 (2012)(2) Younes, N., et al.: Dermatol Online J. 12, 5 (2006)

Applications Labelled O,O-Diethyl Dithiophosphate (D444265). Used in the synthesis of novel phosphorothioates and phosphorodithioates as cholinesterase inhibitor. 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 Millard, C., et al.: J. Neurochem., 64, 1909 (1995), Nicolet, Y., et al.: J. Biol. Chem., 278, 41141 (2003), Casida, J., et al.: Chem. Res. Toxicol., 17, 983 (2004),

Applications A labelled metabolite of Amodiaquine (A634200), an antimalarial. References Bayliss, M., et al.: Xenobiotica, 29, 253 (1999), Projean, D., et al.: Drug Metab. Dispos., 31, 748 (2003), Bray, P., et al.: Mol. Microbiol., 56, 323 (2005), Xiang, H., et al.: J. Pharm. Sci., 95, 2657 (2006),