Toxicology

<p>Applications 2,4,5-Trichlorophenoxyacetic Acid Isobutyl Ester is a component in herbicide formulation used in the protection of crops.<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 Noble, A. et al.: Pest. Sci., 28, 203 (1990);<br></p>

<p>Applications Butyric Anhydride-3,3,3',3',4,4,4,4',4',4'-d10 (CAS# 1398065-70-7) is a useful isotopically labeled research compound.<br></p>

<p>Applications 8-Chloro-6-(2-fluorophenyl)-3a,4,5,6-tetrahydro-1-methyl-3H-imidazo[1,5-a][1,4]benzodiazepine-d3 is an isotope labelled impurity of Midazolam (M343000), a drug used for the treatment of acute seizures and is also known to exhibit activities as an anticonvulsant, sedative, and hypnotic.<br>References Dundee, J. W., et al.: Drugs, 28, 519 (1984); Lahat, E., et al.: Br. Med. J., 321, 83 (2000);<br></p>

<p>Applications N-Methyl-1,3,5-triazine-2,4-diamine Metformin is an impurity of Metformin (M258858), which is a useful research chemical. This impurity can be used to prepare pyrazolo[1,5-a]pyrimidin-7(4H)-ones as methionine adenosyltransferase 2A inhibitors to treat cancer. It can also be used to prepare pyrazolopyrimidinones as inhibitors of cellular metabolic processes.<br>References Konteatis, Z.D., et.al., PCT Int. Appl., 474,(2018); Konteatis, Z.D., et.al., U.S.Pat Appl.Publ., 289,(2018);<br></p>

<p>Applications 3-Methyl-4-(methylthio)phenol is a metabolite of Fenamiphos (F245700), a Systemic broad spectrum nematocide with anticholinesterase activity. Nematocide.<br>References Simon, L., et. al.: J. Agr. Food Chem., 40, 312 (1992); Brown, M.J., et al.: J. Agric. Food Chem., 29, 1129 (1981); Read, D.C., et al.: J. Econ. Entomol., 69, 429 (1976)<br></p>

<p>Applications A labelled NS3 serine protease inhibitor of hepatitis C virus. It is a COVID19-related research product.<br>References Malcolm, B., et al.: Antimicrob. Agents Chemother., 50, 1013 (2006); Cubero, M., et al.: Virology, 370, 237 (2008); Venkatraman, S., et al.: J. Med. Chem., 49, 6074 (2006);<br></p>

<p>Applications A labelled analogue of the active metabolite of Bosentan, a mixed endothelin receptor antagonist which is used as a vasodilator.<br>References Clozel, M., et al.: J. Pharmacol. Exp. Ther., 270, 228 (1994), Gutsch, G., et al.: Cardiovasc. Drugs Ther., 10, 717 (1996), Weber, C., et al.: Clin Pharmacol. Ther., 60, 124 (1996), Krum, H., et al.: N. Engl. J. Med., 338, 784 (1998)<br></p>

<p>Stability Hygroscopic<br>Applications Iso Desloratadine Hydrochloride Salt is a degradation product of Desloratadine (D290250).<br>References Anon, et al.: J. Biol. Chem., 266, 15575 (1991), Piwinski. et al.: J. Med. Chem., 34, 457 (1991),<br></p>

<p>Stability Hygroscopic<br>Applications Nicotine-N-(4-deoxy-4,5-didehydro)-β-D-glucuronide is a possible metabolite of Nicotine (N412420).<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 Validamycin A is an antibiotic fungicide that inhibits trehalase activity in plants, insects, and fungi.<br></p>

<p>Applications Quintrione is herbicidal compound comprising Heterocyclic Amide compound and use thereof.<br>References Wang, Z., et al.:PCT Int. Appl., (2020);<br></p>

<p>Applications N-Docosanoyl Taurine is found to activate multiple members of the transient receptor potential (TRP) family of calcium channels, including TRPV1 and TRPV4 which are expressed in kidney.<br>References Saghatelian, A., et al.: Biochem., 45, 9007-9015 (2006)<br></p>

<p>Applications An impurity of the antiviral drug Oseltamivir (O700100). It is a COVID19-related research product.<br></p>

<p>Applications (2R,5S,13aR)-2,3,4,5,7,9,13,13a-Octahydro-8-methoxy-7,9-dioxo-N-[(2,4,6-trifluorophenyl)methyl]-2,5-methanopyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazepine-10-carboxamide-d2, 15N is an intermediate in the synthesis of Bictegravir-15N, d2 (B382096), which is the labeled version of Bictegravir, which is a novel, potent inhibitor of HIV-1 integrase with an IC50 of 7.5 nM.<br>References Tsiang M. et al.: Antimicrob Agents Chemother. 2016 Nov 21;60(12):7086-7097;<br></p>

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

<p>Applications Furamidine is a diphenylfuran compound belonging to an important class of antimicrobial and antiparasitic agents. Furamidine and its analogues also display antitumor activities and showed antiproliferative activities against various tumor cell lines.<br>References Lansiaux, A. et al.: Cancer Res., 62, 7219 (2002); Steck E.A. et al.: Exp. Parasitol., 52, 404 (1981); Balzarini, J. et al.: Incest. New Drugs, 1, 103 (1983);<br></p>

<p>Applications Rizatriptan Benzoate is a selective serotonin 5-HTID receptor agonist and used to treat migraine (1,2,3). It is structurally derived from tryptamine.<br>References (1) Cheng, H., et al.: Biopharm. Drug Dispos., 17, 17 (1996) (2) Su, M., et al.: Eur J Neurosci. 44, 2129 (2016)(3) Millson, D. S., et al.: Expert Opin Pharmacother. 1, 391 (2000)<br></p>

<p>Applications Cilostazol-d4 is the labeled analogue of Cilostazol (C441500), a potent phosphodiesterase III A (PDE3A) inhibitor (IC50=0.2uM) and inhibitor of adenosine uptake. Has antimitogeni, antithrombotic, vasodilatory and cardiotonic properties in vivo. Also affects lipid levels in vivo.<br>References Suri, A., et al.: J. Clin. Pharmacol., 38, 144 (1998); Park, S.-W., et al.: Am. J. Cardiol., 84, 511 (1999); Tsuchikane, E., et al.: Circulation, 100, 21 (1999)<br></p>

<p>Applications Labelled Fenthion Sulfone (F278015). Fenthion Sulfone is a metabolite of the organothiophosphate insecticide Fenthion (F278000).<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 Oh, C., et al.: Bull Environ. Contam. Toxicol., 78, 314 (2007); Wang, W., et al.: Anal. Chim. Acta, 602, 211 (2007);<br></p>

<p>Applications Rosoxacin has shown to have antibacterial activity against Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus and Streptococcus pneumoniae.<br>References Koba, M., et. al.: J. Mol. Modeling, 16, 327 (2010)<br></p>

<p>Applications rel-(4R,5R)-5-(4-Chlorophenyl)-4-methyl-2-thiazolidinone is a useful building block and has been used in the synthesis of hexythiazox (H298500).<br>References Lou, J.; et al.: Nongyao, 47, 328 (2008).<br></p>

<p>Stability Moisture Sensitive<br>Applications Sebuthylazine-d5 (ethyl-d5) (CAS# 1219805-56-7) is a useful isotopically labeled research compound.<br></p>

<p>Applications Imatinib Hydrochloride is a tyrosine kinase inhibitor. It is a COVID19-related research product.<br>References Schindler, T., et al.: Science, 289, 1938 (2000); Drucker, B.J., et al.: N. Engl. J. Med., 344, 1031 (2001)<br></p>

<p>Applications 2,6-Dibromo-4-cyanophenyl Octanoate-d15 is a useful isotopically labeled compound of Bromoxynil Octanoate (B694345)<br></p>

<p>Applications Nabam-d4 Hexahydrate is a labeled fungicide used to synthesize zinc ethylenebis(dithiocarbamate):amine complexes.<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 Clifford, D.P., Carson, C.: Pesticide Sci., 23, 93 (1988)<br></p>

<p>Applications Lomitapide is a drug used in the treatment of obesity and aids in lowering LDL cholesterol and overall cholesterol levels in subjects.<br>References Cuchel, M. et al.: Lancet., 381, 40 (2013); Stefanutti, C. et al.: Atherosclero. Suppl., 14, 19 (2013);<br></p>

<p>Applications Morphine 3-Acetate 6-β-D-Glucuronide 2,3,4-Triacetate Methyl Ester is an intermediate in the synthesis of Morphine 6-β-D-Glucuronide (M652310), a major metabolite of Morphine that is a potent opioid receptor agonist. Analgesic (narcotic).<br>References Frances, B., et al.: J. Pharmacol. Exp. Ther, 262, 25 (1992); Wu, D., et al.: Drug Metab. Dispos., 25, 768 (1997); Krzanowska, E.K., et al.: Brain Res., 799, 329 (1998)<br></p>

<p>Applications Labelled Triazolam (T767380(M)). Triazolam in an hypnotic drug used in the short term treatment of insomnia.<br>References Lomen, P., et al.: J. Int. Med. Res., 4, 55 (1976), Allens, G.S., et al.: J. Int. Med. Res., 6, 343 (1978), Pakes, G.E., et al.: Drugs, 22, 81 (1981).<br></p>

<p>Stability Hygroscopic<br>Applications Isomalathion is a major impurity in the synthesis of Malathion (M111000), a commonly used insecticide.<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 Josse, R et al.: Chem. Bio., Interact., 209, 76 (2014); Buratti, F. et al.: J. Biochem. Mol. Toxicol., 19, 406 (2009);<br></p>

<p>Applications Ethofumesate is a herbicide.<br></p>

<p>Applications Antihistaminic.<br>References Casy, A.F., et al.: J. Pharm. Pharmacol., 22, 270 (1970),<br></p>

<p>Applications A new salt of HMG-CoA reductase inhibitor.<br></p>

<p>Applications A labelled metabolite of Dapsone (D193250).A representative lot is 73% d8, 23% d7 and 3% d6 with no d0.<br>References Shin, I., et al.: J. App. Pharmacol., 10, 193 (2002), Bhaiya, P., et al.: Toxicol. App. Pharmacol., 215, 158 (2006), Paixao, P., et al.: Eur. J. Pharm. Sci., 36, 544 (2009),<br></p>

<p>Applications Micafungin-d11 Sodium is the isotope labelled analog of Micafungin Sodium (M342350); an echinocandin antifungal drug which inhibits the synthesis of 1,3-β-D-glucan, an essential component of the fungal cell wall. Micafungin Sodium also represents a valuable treatment option for fungal infections.<br>References Chen, S.C. et al.: Drugs, 71, 11 (2011); Groll, A.H. et al.: Opin. Anti-Infect. Invest. Drugs, 2, 405 (2000); Tomishima, M. et al.: J. Antibiot., 52, 674 (1999)<br></p>

<p>Applications Palmitoyl-L-carnitine-d3 Hydrochloride is labelled Palmitoyl-L-carnitine Hydrochloride (P155050), a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Lauroyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References Ventura, F., et al.: Clinica Chimica Acta, 281, 1 (1999); Pourfarzam, M., et al.: Clinical Chem,, 40, 2267 (1994); Schaefer, J., et al.: Pediatric Res., 37, 354 (1995)<br></p>

<p>Applications Synthetic thrombin inhibitor. Antithrombotic.<br>References Abiko, Y., et al.: Thromb. Res., 24, 285 (1981), Kikumoto, R., et al.: Biochemistry, 23, 85 (1984),<br></p>

<p>Applications Clemizole Hydrochloride inhibits Hepatitis C RNA replication in cell culture through the suppression of the binding between the nonstructural protein 4B and the viral RNA genome with little toxicity for the host cell. Clemizole Hydrochloride is also a potent inhibitor of transient receptor potential channel TRPC5.<br>References Einav, S., et al.: Nat. Biotechnol., 26, 1019 (2008); Richter, J. M., et al.: Mol. Pharmacol., 86, 514 (2014)<br></p>

<p>Applications Labelled Testosterone ester.<br>References Ruelle, P., et al.: Int. J. Pharm., 157, 219 (1997), de la Torre, X., et al.: J. Pharm. Biomed. Anal., 24, 645 (2001), Adat, S., et al.: Lett. Drug Des. Discov., 1, 334 (2004),<br></p>

<p>Applications Bosentan Acetate is a mixed endothelin receptor antagonist. Used as a vasodilator. Antihypertensive.<br>References Clozel, M., et al.: J. Pharmacol. Exp. Ther., 270, 228 (1994), Gutsch, G., et al.: Cardiovasc. Drugs Ther., 10, 717 (1996), Weber, C., et al.: Clin Pharmacol. Ther., 60, 124 (1996), Krum, H., et al.: N. Engl. J. Med., 338, 784 (1998)<br></p>

<p>Applications Metoxuron is used as a herbicide.<br>References Navarro, Simon, et al.: J. of Agric. and Food Chem., 60(21), 5279-5286 (2012);Zhang, Rong, et al.: Sepu, 36(12), 1228-1237 (2018)<br></p>

<p>Applications (1R,2S,3S,4R,5S)-1-(Acetoxymethyl)-5-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triyl Triacetate is an antidiabetic agent and an Ertugliflozin (1210344-57-2) intermediate.<br>References Bowles, P., et al.: Org. Process Res. Dev., 18, 66-81 (2014);<br></p>

<p>Applications Isotope labelled 1,2-Phenylenediamine, an amino substituted benzene used in the manufacture of dyes. Potential use in sensitive immunosensor for cancer biomarker.<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 Wu, Y. et al.: Anal. Bioanal. Chem., 400, 2141 (2011); Du, D. et al.: Anal. Chem., 82, 2989 (2010);<br></p>

<p>Applications N-Methyl Esomeprazole-d3 is the isotope labelled analog of N-Methyl Esomeprazole (M304640); an impurity of Omeprazole (O635000) which a compound that binds covalently to proton pumps and inhibits gastric secretion. Also used as an antiulcerative.<br>References Muller, P., et al.: Arzneimittel-Forsch., 33, 1685 (1983); Wallmark, B., et al.: Biochim. Biophys. Acta., 778, 549 (1984); Morii, M., et al.: J. Biol. chem., 268, 21553 (1993); Ritter, M., et al.: Br. J. Pharmacol., 124, 627 (1998)<br></p>