Toxicology

<p>Applications Protected metabolite of Theobromine.<br>References Tarka, S.M., et al.: Clin. Pharmacol. Therap., 34, 546 (1983), Bonati, M., et al.: Toxicology, 30, 327 (1984)<br></p>

<p>Applications 4-Chloro-2-methylphenol is a transformation/degredation product of herbicides found in the environment through landfills and runoff.<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 Lagana, A. et al.: Anal. Chim. Acta., 462, 187 (2002); Irmak, S. et al.: App. Catal. B. Environ.., 63, 243 (2006);<br></p>

<p>Applications Flufenoxuron-d3 (2,6-difluorobenzoyl-d3) is a useful isotopically labeled compound of Flufenoxuron (F435100), which is a known insecticide and acts as an insect growth regulator by inhibiting chitin synthesis.<br>References Abbaszadeh, G., et al.: Pesticide. Res. J., 23, 52 (2011); Yang, A., et al.: Food. Control., 28, 99 (2012);<br></p>

<p>Applications Phosfolan was identified and determined to be a residual pesticide in okra samples.<br>References Lin, Y. C., et al.: Lihua Jianyan, Huaxue Fence, 52, 999 (2016)<br></p>

<p>Stability Hygroscopic<br>Applications Thiacloprid-d4 is the isotope labelled analog of Thiacloprid, which is a chloronicotinyl insecticide for use in fruits and vegetables.<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 Nauen, R., et al.: Pestic. Sci., 53, 133 (1998), Jetter, R., et al.: Plant Physiol., 126, 1725 (2001), Weichert, H., et al.: J. Agric. Food Chem., 54, 6294 (2006), Hoffmann, E., et al.: J. Insect. Sci., 8 (2008),<br></p>

<p>Applications Isotope labelled cis-5-Dodecenoyl Carnitine Inner Salt is an L-carnitine metobolite which are often used to diagnose specific inherited metabolic diseases especially glucose related ones.<br>References Yang, S. et l.: J. Chrom. B., Anal. Tech. Biomed. Life Sci., 857, 251 (2007);<br></p>

<p>Applications 3,4-Dichloroaniline-d2 (cas# 1219803-22-1) is a compound useful in organic synthesis.<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 Oxymorphone-13Cd3 is the labelled analogue of Oxymorphone (Cat. O876800). This opiate can be used as a analgesic.<br>References Gimbel, J., et al.: Anesth. Analg., 99, 1472 (2004)<br></p>

<p>Applications Naftalofos<br></p>

<p>Applications Triasulfuron<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 Testosterone 17-Hexahydrobenzoate-d11 is the isotope analog of Testosterone 17-Hexahydrobenzoate. Testosterone 17-Hexahydrobenzoate is a metabolite of testosterone (T155000), which is used in biological studies to determine the hemolytic and lipophilic activity of this anabolic steroid.<br>References Biagi, G.L., et al.: J. Med. Chem., 13, 944 (1970); Biagi, G. L., et al.: J. Med. Chem., 18, 873 (1975)<br></p>

<p>Applications 10β-Hydroxyl Dextrorphan 3-O-β-D-Glucuronide is a metabolite of Dextrorphan.<br>References Thurman, E. Michael., et al.: J. Chrom. A., 1259, 158-166 (2012)<br></p>

<p>Applications Fluoxetine (F597100) derivative. A stereoselective inhibitor of serotonin re-uptake and phosphodiesterase. Potential antidepressants<br>References Cashman, J. et al.: Bioorgan Med. Chem. 17, 337 (2009)<br></p>

<p>Applications A Nicotine metabolite. Carcinogen.<br></p>

<p>Stability Hygroscopic<br>Applications Raloxifene 6-Glucuronide Lithium Salt is A metabolite of Raloxifene (R100000), a nonsteroidal estrogen receptor mixed agonist/antagonist.<br>References Dodge, J., et al.: Bioorg. Med. Chem. Lett., 7, 993 (1997); Jeong, E., et al.: Drug Metab. Dispos., 33, 785 (2005); Trontelj, J., et al.: Pharmacol. Res., 52, 334 (2005); Oswald, S., et al.: Clin. Pharmacol. Ther., 79 206 (2006)<br></p>

<p>Applications A Cobicistat (C633150) impurity. Cobicistat is a HIV protease inhibitor and have been coadministered with low-dose ritonavir (R535000) as a pharmacoenhancer, significantly increasing their plasma concentrations.<br>References Von, H., Exp. Rev. Clin. Pharmacol., 5, 557 (2012); Lepist, E.I., et al.: Antimicrob. Agent. Chemother., 56, 5409 (2012); Orr, S.T.M., et al.: J. Med. Chem., 55, 4896 (2012);<br></p>

<p>Applications 1-Chloro-2-(α-chlorophenylmethyl)benzene-d5 is the isotope labelled analog of 1-Chloro-2-(α-chlorophenylmethyl)benzene (C427570); a reagent in the synthesis of bifonazole analogs which have antibacterial and antifungal activities. It is also used in the preparation of diphenylpiperazine N-type calcium channel inhibitors.<br>References El Hage, S., et al.: Arch. Pharm., 344, 402 (2011); Pajouhesh, H., et al.: Bioorg. Med. Chem. Lett., 20, 1378 (2010)<br></p>

<p>Applications Cilofungin is a lipopeptide from echinocandin class of antifungal drugs which inhibits the synthesis of glucan in the fungal cell walls.<br>References Denning D.: Lancet, 362, 1142 (2003);<br></p>

<p>Applications Sodium N-(4-Hydroxyphenyl)acetamide-2,2,2-d3 Sulfate is deuterium labelled metabolite of Acetaminophen (A161220), which is an analgesic and antipyretic agent, used to treat headache, muscle aches, arthritis and other painful conditions.<br>References Roberts, E., et al.: Ann. Rheum. Dis., 75, 552 (2016);<br></p>

<p>Applications 4-(Trifluoromethoxy)benzoic Acid is a substituted benzoic acid used in the preparation of a various biologically active compounds such as antifungal and antimalarial agents.<br>References Jiang, Y. et al.: Bioorg. Med. Chem. Lett., 21, 4471 (2011); Herrin, T.R. et al.: J. Med. Chem., 18, 1216 (1975);<br></p>

<p>Stability Light and Temperature Sensitive<br>Applications Δ2-Cefadroxil is a derivative of Cefadroxil (C235750), a semi-synthetic cephalosporin antibiotic. Antibacterial.<br>References Buck, R.E., et al.: Antimicrob. Agents Chemother., 11, 324 (1977)<br></p>

<p>Applications Ethyl 3-Mercaptopropanoate is a useful synthetic intermediate. It can be used to prepare acylaminobutyldecahydroisoquinolines with HIV protease-inhibiting activities. It can also be used to prepare new anti-MRSA cephalosporins (cephalosporins C zinc salt, C258750).<br>References Ghosh, A., et al.: J. Med. Chem., 37, 1177 (1994); Cho, A., et al.: Bioorg. Med. Chem. Lett., 11, 137 (2001)<br></p>

<p>Applications 3-Sulfobenzaldehyde Sodium Salt, can be used for the preparation of a series of novel sulfonamide derivatives, as inhibitors of the enzyme histone deacetylase (HDAC) as a novel approach to the treatment of cancer.<br>References Finn, P., et al.: Helvetica Chimica Acta, 88 (7), 1630 (2005);<br></p>

<p>Applications Rapamycin (R124000(P)) derivative. Rapamycin a triene macrolide antibiotic isolated from Streptomyces hygroscopicus. Name derived from the native word for Easter Island, Rapa’Nui. Used as an immunosuppressant; antirestenotic. Sirolimus (INN/USAN), also known as rapamycin, is an immunosuppressant drug used to prevent rejection in organ transplantation; it is especially useful in kidney transplants. It has shown its efficacy against neurodegenerative diseases including Alzheimer's and Parkinson's.<br>References Martel, P.R., et al.: Can. J. Physiol. Pharmacol., 55, 48 (1977), Carlson, R.P., et al.: J. Pharmacol. Exp. Ther., 266, 1125 (1993), Kahan, B.D., et al.: Lancet, 356, 194 (2000), Holmes, D.R., et al.: Circulation, 109, 634 (2004),<br></p>

<p>Applications Oleoyl-L-carnitine-d3 is labelled Oleoyl-L-carnitine (O526700, HCl salt), a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Oleoyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References Adams, S., et al.: J. Nutrition, 139, 1073 (2009); 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 4-Bromo-2-(ethyl-d3)pyridine is an intermediate in the synthesis of Ethionamide-d3 (E890422), a labelled antibacterial (tuberculostatic) agent.<br>References Banerjee, A., et al.: Science, 263, 227 (1994), Newton, G., et al.: J. Bacteriol., 178, 1990 (1996), Baulard, A., et al.: J. Biol. Chem., 275, 28326 (2000), Koledin, T., et al.: Arch. Microbiol., 178, 331 (2002), Cardoso, R., et al.: Antimicrob. Agents Chemother., 48, 3373 (2004),<br></p>

<p>Applications A triazine herbicide.<br>References Schenck, F., et al.: Bull Environ. Contam. Toxicol., 73, 24 (2004),<br></p>

<p>Applications Benzyl 2-Acetamido-3,4,6-tri-O-benzyl-2-deoxy-β-D-glucopyranoside is a reactant used in the preparation of oligosaccharide and glucosamine containing peptides used as inhibitors of influenza virus neuraminidase.<br>References Zhang, J. et al.: Carbohyd. Res., 346, 1997 (2011); Liu, J. et al.: J. Am. Chem. Soc., 124, 9789 (2002); Koto, S. et al.: Bull. Chem. Soc., 73, 173 (2000)<br></p>

<p>Applications Labelled cis/trans-Chlorprothixene (C424850). Antipsychotic.<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 Rudy, B.C., et al.: Anal. Profiles Drug Subs., 2, 63 (1973), Bagli, M., et al.: Arzneim.-Forsch., 46, 247 (1996),<br></p>

<p>Applications A labelled analog of Ezetimibe (E975000). SCH 58053 is a potent, rapid, and selective inhibitor of lymphatic cholesterol transport in the intestine.<br>References Ly, H., et al.: Biochem. J., 286, 937 (1992), Dujovne, C., et al.: Am. J. Cardiol., 90, 1092 (2002), Repa, J., et al.: J. Lipid Res., 43, 1864 (2002), Knopp, R., et al.: Eur. Heart J., 24, 729 (2003), Altmann, S., et al.: Science, 303, 1201 (2004),<br></p>

<p>Applications Stearoyl Ethanolamide-d4 is the labelled analogue of Stearoyl Ethanolamide (S686608), which is a prolific fatty acid ethanolamide produced by PLD hydrolysis of membrane phospholipids.<br>References Kasatkina, L. A., et al.: Biochem. Pharmacol. 174, 113783 (2020)<br></p>

<p>Applications Labelled analogue of (R)-Linezolid, an enatiomeric impurity of Linezolid (L466500).<br>References Bednarek, E. et al.: J. Chrom. A, 1193, 164 (2008); Nirogi, R. et al.: J. Chrom. Sci., 46, 764 (2008);<br></p>

<p>Applications Dimethrin is a pesticide, a pyrethroid insecticide. An acaricide for agricultural purposes.<br>References Ford, M G.: Pestic. Sci., 10, 39 (1979); Gan, W., et al.: Zhonghua Yufang Yixue Zazhi, 35, 13 (2001); Wright, F. C.: Southwestern Entomol., 5, 222 (1980);<br></p>

<p>Applications 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic Acid-13C4 Ethyl Ester is an isotope labelled derivative in the synthesis of Flucloxacillin (F419200), a new semisynthetic penicillin with broad spectrum of antibacterial activity.<br>References Macsari, I., et al.: Bioorg. Med. Chem. Lett., 21, 3871 (2011); Cui, Y., et al.: Curr. Sci., 89, 531 (2005);<br></p>

<p>Applications 6-Methylmercaptopurine Riboside-d3 is the isotope labelled analog of 6-Methylmercaptopurine Riboside (M321035); a thiopurine prodrug used as potential treatment for patients with inflammatory bowel disease.<br>References Haglund, S., et al.: Therap. Drug. Monitor., 33, 200 (2011); Arendt, C.S., et al.: J. BIol. Chem., 285, 6024 (2010); Fotoohi, A.K., et al.: Biochem. Pharmacol., 72, 816 (2006)<br></p>

<p>Applications (2R,4R)-Itraconazole (Mixture of Diastereomers) is an enantiomer of Itraconazole (I937500), an orally active antimycotic structurally related to Ketoconazole. Antifungal. It is a COVID19-related research product.<br>References Espinel-Ingroff, A., et al.: Antimicrob. Agents Chemother., 26, 5 (1984), Heykants, J., et al.: Mycoses, 32, Suppl 1, 67 (1989), Sugar, A.M.,et al.: Curr. Clin. Top. Infect. Dis., 13, 74 (1993),<br></p>

<p>Applications Deschloroacetylmetolachlor Propanol is a pesticide that is detected in drinking water.<br>References Hladik, Michelle L. et al., Water Research. 42, 4905-4914(2008);<br></p>