Toxicology

<p>Applications Terbufos-d10 (O,O-diethyl-d10) (CAS# 1276197-42-2) is a useful isotopically labeled research compound.<br></p>

<p>Applications Chloroneb is a fungicide that has selective activity against certain fungi (e.g. Mucor and Pythium fungi), and is most commonly used for cotton seedlings and bean plants.<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 Gutenmann, W. &amp; Lisk, D.: J. Agr. Food Chem., 17, 1008 (1969); Lyr, H. &amp; Werner, P.: Pest. Biochem. Phys., 18, 69 (1982); Rhodes, R., et al.: J. Agr. Food Chem., 19, 745 (1971)<br></p>

<p>Stability Hygroscopic<br>Applications Isotope labelled Tenofovir Disoproxil Fumarate, an acyclic phosphonate nucleotide analogue; reverse transcriptase inhibitor. Used as an anti-HIV agent. Antiviral.<br>References Shaw, J.-P., et al.: Pharm. Res., 14, 1824 (1997), Wyles, D., et al.: Clin Infect. Dis., 40, 174 (2005), Peng, J., et al.: J. Clin. Pharmacol., 46, 265 (2006), Seminari, E., et al.: J. Antimicrob. Chemother., 60, 831 (2007),<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 (6R,7S)-Cefoperazone Sodium Salt is the enantiomer of Cefoperazone (C242900) as an impurity.<br>References Fabre, H., et al.: J. Pharm. Sci., 73, 611 (1984), Strasters, J., et al.: Anal. Chem., 63, 2503 (1991), Chen, Z., et al.: World Notes Antibiot., 25, 249 (2004),<br></p>

<p>Applications N2-Des(L-valinyl) N2-Formal Lopinavir is an impurity of Lopinavir (L469480), which is a selective HIV protease inhibitor. An analogue of Ritonavir. Antiviral. It is a COVID19-related research product.<br>References Sham, H.L., et al.: Antimicrob. Ag. Chemother., 42, 3218 (1998), Kumar, G.N., et al.: Drug Metab. Dispos., 27, 86 (1999), Murphy, R.L., et al.: Antiviral Ther., 4, Suppl. 3, 85 (1999)<br></p>

<p>Applications N-Hydroxyphenylglycyl Cefadroxil-d4 is the isotope labelled analog of N-Hydroxyphenylglycyl Cefadroxil. N-Hydroxyphenylglycyl Cefadroxil is a derivative of Cefadroxil (C235750), which is a semi-synthetic cephalosporin antibiotic.<br>References Muggleton, et al.: Antimicrob. Agents Chemother., 253 (1968), Marrelli, L.P., et al.: Anal. Profiles Drug Subs., 4, 21 (1975),<br></p>

<p>Applications Analgesic.<br>References Viaud, et al.: J. Pharm. and Pharmacol., 6, 361 (1954),<br></p>

<p>Applications Linezolid Dimer is an impurity of the antibacterial agent Linezolid (L466500).<br></p>

<p>Applications Omeprazole Magnesium is an inhibitor of gastric secretion. Used as an anttiulcerative.<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>

<p>Applications 2,4,5-Trichlorophenol-d2 is the labelled analogue of 2,4,5-Trichlorophenol (T774145), which is used as a broad range pesticide against insects, fungi, vegetation and bacteria. It has become a common environmental contaminant and probable human carcinogen.<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 Amer, S. et al.: Cytologia, 39, 633 (1974); Xu, X. wt l.: Occup. Environ. Med., 68, 557 (2011); Sinclair, C.J. et al.: Environ. Sci. Technol., 37, 4617 (2003);<br></p>

<p>Stability Hygroscopic, Light Sensitive<br>Applications A Rifamicyn derivative with therapeutic effect on pulmonary tuberculosis.<br>References Gozalbes, R., et al.: J. Pharm. Pharmacol., 51, 111 (1999), Estrada, E., et al.: J. Med. Chem., 43, 1975 (2000), Gonzalez-Diaz, H., et al.: Chem. Res. Toxicol., 16, 1318 (2003), Garcia-Garcia, A., et al.: J. Antimicrob. Chemother., 53, 65 (2004),<br></p>

<p>Applications 17α-Vinyltestosterone Acryl Ester is an intermediate in synthesizing 20,21-Dehydro Spironolactone (D229405), which is an impurity of Spironolactone (S683000), a synthetic 17-lactone steroid which is a renal competitive aldosterone antagonist in a class of pharmaceuticals called potassium-sparing diuretics, used primarily to treat ascites in patients with liver disease, low-renin hypertension, hypokalemia, and Conn’s syndrome.<br>References Sutter, J.L., et al.: Anal. Profiles Drug Subs., 4, 431 (1975);<br></p>

<p>Applications A metabolite of Midazolam (M343000).<br></p>

<p>Applications (1R,2S)-rel-2-Phenylcyclopropanamine Sulfate is a monoamine oxidase inhibitor (MAOI), synthesized into a functioning anti-depressant.<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 Birkenhager, T. et al.: J. Clin. Psych., 65, 1505 (2004); van Haelst, I. et al.: J. CLin. Psych., 73, 1109 (2012);<br></p>

<p>Applications Dehydronaproxen is an analog of Naproxen (N377520), an anti-inflammatory, analgesic, antipyretic. A non-steroidal anti-inflammatory.<br>References Harrison, I.T., et al.: J. Med. Chem., 13, 203 (1970);<br></p>

<p>Stability Hygroscopic<br>Applications Profenofos-D3 is the labeled form of Profenofos(P755880). Profenofos is a broad-spectrum organophosphorous pesticide that is used widely in cotton fields for insect control (1). Acetylcholinesterase inhibiting organophosphoric pesticide (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<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 Labelled (6R,7S)-Cefoperazone (C242890). (6R,7S)-Cefoperazone is the enantiomer of Cefoperazone (C242900) as an impurity.<br>References Fabre, H., et al.: J. Pharm. Sci., 73, 611 (1984), Strasters, J., et al.: Anal. Chem., 63, 2503 (1991), Chen, Z., et al.: World Notes Antibiot., 25, 249 (2004),<br></p>

<p>Applications Pipobroman-D8 is a labelled analogue of Pipobroman (P490602).<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 Labelled trans-Hydroxy Praziquantel (H952405). The main cis-monohydroxylated metabolite of Praziquantel (P702095).<br>References Buehring, K., et al.: Eur. J. Drug Metab. Pharm., 3, 179 (1978), Moldeus, P., et al.: Methods Enzymol., 52, 60 (1978), Cioli, D., et al.: Pharmacol. Ther., 68, 35 (1995),<br></p>