Toxicology

<p>Stability Hygroscopic<br>Applications Lamivudine-13C1,d2, is the labeled analogue of Lamivudine (L172502). A reverse transcriptase inhibitor. Antiviral.<br>References Morris, D.M., J. Pharm. Biomed. Anal., 12, 255 (1944), Nevens, B.F., et al.: Gastroenterology, 113, 1258 (1997), Perry, C.M., et al.: Drugs, 53, 657 (1977),<br></p>

<p>Applications Antimetabolite antiviral dosing regimen for hepatitis C virus or flaviviridae therapy.<br>References Teh, A.-H., et al.: Biochemistry, 45, 7825 (2006),<br></p>

<p>Applications Raltegravir (MK-0518) is a potent integrase (IN) inhibitor for WT and S217Q PFV IN.<br>References Hare, S., et al.: Proc. Natl. Acad. Sci. U. S. A., 107, 20057 (2010); Hicks, C., et al.: Clin. Infect. Dis., 48, 931 (2009); Moss, D., et al.: Antimicrob. Agents Chemother., 56, 3020 (2012); Hare, S., et al.: Mol. Pharmacol., 80, 565 (2011)<br></p>

<p>Applications Apixaban-13C, d3 is labelled Apixaban (A726700) which is a potent, direct, selective, and orally active inhibitor of coagulation factor Xa. It is a potential new oral coagulant that may be useful prevention of venous thromboembolism in total hip, knee replacement orthopedic surgery and stroke in treatment of patient with venous thromboembolic disorder or with atrial fibrillation.<br>References Luettgen, J.M. et al.: J. Enz. Inhib. Med. Chem., 26, 514 (2011); Glanis, T. et al.: J. Thromb. Thrombol., 31, 310 (2011); barrett, Y.C. et al.: Thromb. Haemos., 105, 181 (2011);<br></p>

<p>Applications An antibiotic produced by Streptomyces lincolnensis. Lincomycin is a lincosamide antibiotic that forms cross-links within the peptidyl transferase loop region of the 23S rRNA. Inhibits bacterial protein synthesis. Antibacterial.<br>References Mason, D.J., et al.: Antimicrob. Agents Chemother., 555 (1962), Gray, et al.: Toxicol. Appl. Pharmacol., 6, 476 (1964), Muti, H.Y., et al.: Anal. Profiles Drug Subs. Excip., 23, 269 (1994),<br></p>

<p>Stability Moisture Sensitive<br>Applications Chlorpyrifos Oxon is a metabolite of Chlorpyrifos (C425300) in human.<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 Atterberry, T., et al.: Toxicol. Appl. Pharmacol., 147, 411 (1997), Karanth, S., et al.: Toxicol. Sci., 58, 282 (2000), Barter, Z., et al.: Drug Metab. Dispos., 36, 2405 (2008),<br></p>

<p>Impurity Fluconazole EP Impurity I<br>Applications 4-Amino Fluconazole Bromide (Fluconazole EP Impurity I) is an impurity of Fluconazole (F421000), which is used as an antifungal.<br>References Richard, K. et al.: Antimicrob. Ag. Chemother., 27, 832 (1985)<br></p>

<p>Applications Itraconazole-d9, is the labeled analogue 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>Stability Hygroscopic<br>Applications Orally active, third generation cephalosporin antibiotic.<br>References Kamimura, T., et al.: Antimicrob. Agents Chemother., 25, 98 (1984),Yamanaka, H., et al.: J. Antibiot., 38, 1738 (1985), Guay, D.R.P., et al.: Antimicrob. Agents Chemother., 30, 485 (1986),<br></p>

<p>Applications Lapatinib-d7 Dihydrochloride is a labeled Lapatinib (L175800), a reversible dual inhibitor of ErbB1 and ErbB2 tyrosine kinases. Antineoplastic.<br>References Kim, T.E., et al.: Drugs, 6, 886 (2003); Wood, E.R., et al.: Cancer Res., 64, 6652 (2004); Spector, N.L., et al.: J. Clin. Oncol., 23, 2502 (2005)<br></p>

<p>Applications 1,1’-Diphenyl-D10 is a labelled analogue of 1,1’-Diphenyl (D486980).<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>Stability Hygroscopic<br>Applications A metabolite of Dopamine.<br>References Johnson, G., et al.: Life Sci., 26, 1591 (1980), Eisenhofer, G., et al.: J. Clin. Endocrinol. Metab., 82, 3864 (1997), Strassburg, C., et al.: Biochem. J., 338, 489 (1999), Alonen, A., et al.: Drug Metab. Dispos., 33, 657 (2005),<br></p>

<p>Applications cis-trans-Nepetalactone, is an organic compound, isolated from the plant catnip,which acts as a cat attractant. Nepetalactone can also be effective on some insects. It repels cockroaches and mosquitos.<br>References Kingsley, D, ABC Science Online, Feb 14, 2009; McElvain, S.M., et al.: J. Am.Chem.Soc, 63, 1558 (1941);<br></p>

<p>Applications A hydroxylated analogue of Tamoxifen (T006000) with anti-estrogenic properties.<br>References Ruenitz, P.C. et al.: J. Med. Chem., 25, 1056 (1982)<br></p>

<p>Applications Thiamine hydrochloride phosphate-d3 was used as a reagent in the redn. of cytochrome c in its reaction with thiamine and its structural analogs.<br>References Vovk, A. I, et al.: Russian J. of Gen. Chem. 72(11), 1808-1812. (2002)<br></p>

<p>Applications Bromophos-ethyl is a phenyl organothiophosphate insecticide used in the control of flies, mosquitos and other insects. It is also used as an aracacide to control ticks.<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 Brooke, J.P.: Int. Pest Control, 11, 18 (1969); LaBrecque, G.C. et al.: J. Econ. Entomol., 60, 760 (1967); Rueda H. et al.: Rev. Inst. Col. Agros., 3, 103 (1968)<br></p>

<p>Stability Hygroscopic<br>Applications 25-Deacetyl-23-acetyl Rifampicin is a structural isomer, and impurity, of Rifampicin (R508000), a semisynthetic antibiotic. Antibacerial (tuberculostatic).<br>References Furesz, et al.: Antibiot. Chemother., 16, 316 (1970), Gallo, G.G., et al.: Anal. Profiles Drug Subs., 5, 467 (1976),<br></p>

<p>Applications 11-Desmethyl Rifaximin is a compound useful in organic synthesis.<br></p>

<p>Impurity USP Azithromycin Related Impurity H /Azithromycin EP Impurity H<br>Stability Hygroscopic<br>Applications 3'-N-[[4-(acetylamino)phenyl]sulfonyl]-3'-N-demethyl Azithromycin is an impurity of Azithromycin (A927000).<br>References Debremaeker, D. et al.: Rap. Comm. Mass. Spec., 17, 342 (2003);<br></p>