Toxicología

<p>Applications 4-Mercaptobenzonitrile is a building block used as a reactant in the synthesis and in vitro anti-hepatitis B virus activities of some ethyl 6-bromo-5-hydroxy-1H-indole-3-carboxylates.<br>References Chai, H., et al.: Bioorg. Med. Chem., 14, 911 (2006);<br></p>

<p>Applications Clindamycin (C580000) derivative. Used in the preparation of Clindamycin impurities.<br></p>

<p>Applications Oxybutynin-d10 Hydrochloride is a labeled analogue of Oxybutynin Chloride (O868525), an inhibitor of proliferation and supresses gene expression in bladder smooth muscle cells.<br>References Park, J.M., et al.: J. Urol., 162, 1110 (1999); Watson, M., et al.: Brit. J. Pharmacol., 127, 590 (1999)<br></p>

<p>Stability Light Sensitive<br>Applications A thiol reactive water soluble fluorescent dye.<br></p>

<p>Stability Hygroscopic<br>Applications A reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. A nucleoside analog structurally related to Lamivudine (L172500).<br>References Mellors, J., et al.: Science, 72, 1167 (1996), Reimann, K., et al.: J. Virol., 79, 8878 (2005), Rose, J., et al.: J. Biol. Chem., 280, 7413 (2005), Acierno, P., et al.: J. Immunol., 176, 5338 (2006),<br></p>

<p>Applications Adefovir Dipivoxil Dimer is a formed from the dimerization of Adefovir Dipivoxil (A280465) which is used as an oral reverse transcriptase inhibitor in the treatment of hepatitis B. Adefovir Dipivoxil Dimer’s presence indicates the degradation of Adefovir Dipivoxil under specific conditions suggesting the stability of Adefovir Dipivoxil is compromised under such conditions.<br>References Yuan, L., et al.: Pharm. Res., 17, 1098 (2000); Fliri, A., et al.: J. Med. Chem., 52, 8038 (2009), Fourches, D., et al.: Chem. Res. Toxicol., 23, 171 (2010), Ming, X., et al.: Biochem. Pharmacol., 79, 455 (2010)<br></p>

<p>Applications 5,5-Dimethyl-2-[[(phenylacetyl)amino]methyl]-4-thiazolidinecarboxylic Acid-d5 is the isotope labelled analog of 5,5-Dimethyl-2-[[(phenylacetyl)amino]methyl]-4-thiazolidinecarboxylic Acid. 5,5-Dimethyl-2-[[(phenylacetyl)amino]methyl]-4-thiazolidinecarboxylic Acid is a degradation product of Penicillins.<br>References Kiener, P.A., et al.: Biochem. J., 169, 197 (1978), Hilder, E., et al.: Electrophoresis, 23, 414 (2002), Pajchel, G., et al.: J. Pharm. Biomed. Anal., 32, 59 (2003),<br></p>

<p>Applications Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity 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 Mycophenolic Acid Carboxybutoxy Ether Dimethyl Ester is a metabolite of Mycophenolic Acid (M831500).<br>References Wieland, E., et al.: Clin. Biochem., 33, 107 (2000), Shipkova, M., et al.: Ther. Drug Monit., 25, 1 (2003),<br></p>

<p>Applications Erythromycin Cyclocarbonate is a derivative of Erythromycin (E649950), an antibcterial agent working on the 50S ribosomal subunit.<br>References Champney, W. et al.: Curr. Microbiol., 38, 342 (1999); Koch, W.L., et al.: Anal. Profiles Drug Subs., 8, 157 (1979),<br></p>

<p>Applications A labeled derivative of Amoxicillin (A634235), a semi-synthetic antibiotic related to penicillin. Antibacterial.<br>References Brogden, R.N., et al.: Drugs, 18, 169 (1979), Bird, A.E., et al.: Anal. Profiles Drug Subs. Excip., 23, 1 (1994),<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 3,4-Dichlorophenoxyacetic acid is a synthesis reagent.<br></p>

<p>Applications Shows systemic antifungal activity accompanied by high levels of phytotoxicity.<br>References Carter, G.A., et al.: Ann. Appl. Biol., 84, 333 (1976)<br></p>

<p>Applications Isotope Labelled Sulfamethizole is a sulfonamide based antibiotic that exhibit bactericidal activities towards gram-negative bacteria. Sulfamehizole was shown to be effective in treating gram-negative Bacillus AmpC enzyme in elderly patients with lower respiratory tract infection and as well as against microbs responsible for tuberculosis.<br>References Mondelli, M., et al.: J. Molec. Struct., 1036, 180 (2013); Leelakrishnana, S., et al.: Adv. App. Sci. Res., 3, 3502 (2012); Ghoreishi, S.M., et al.: Anal. Lett., 46, 323 (2012);<br></p>

<p>Applications Octahydro-6-(phenylmethyl)-1H-Pyrrolo[3,4-b]pyridine is an intermediate in the synthesis of moxifoxacin (M745000), a fluorinated quinolone antibacterial.<br>References Somisetti, N. et al.: Org. Chem. Indian J., 7, 123 (2011);<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 Labelled Oxycodone. Controlled substance (opiate). Analgesic (narcotic).<br>References Mendelson, J., et al.: Clin. Pharmacol. Ther., 60, 105 (1996), Fudala, P., et al.: N. Engl. J. Med., 349, 949 (2003), Alho, H., et al.: Drug Alcohol Depend., 88, 75 (2007),<br></p>

<p>Applications A labelled imidazole, a versatile heterocycle used in the preparation of various biologically active compounds such as the amino acid histidine and is present in many antifungal medication. It is also used extensively as a corrosion inhibitor on transition metals such as copper.<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 Arispe, N. et al.: Biophys. J., 95, 4879 (2008); Troesken, E.R. et al.: Endo. Res., 30, 387 (2004); Otmacic Curkovic, H. et al.: Corr. Sci., 51, 2342 (2009);<br></p>

<p>Applications Labelled analogue of Cyhexatin, a derivative of tricyclohexyltin and an effective acaricide used in the control of spider mites.<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 Jeppson, L.R. et al.: J. Econ. Entomol., 61, 1502 (1968); Rudd, J.A. et al.: Exp. Appl. Acarol., 21, 615 (1997);<br></p>

<p>Applications An intermediate in the preparation of HIV-1 Protease Inhibitor. An isomeric impurity of Bisfuranol.<br>References Surleraux, D.L. et al.: 48, 1813 (2005); Chen, X. et al.: Bioorg. Med. Chem. Lett., 6, 2847 (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 An orally active, labelled synthetic nonpeptide renin inhibitor. Antihypertensive.<br>References Lefevre, G., et al.: J. Immunoassay, 21, 65 (2000), Allikments, K., et al.: Curr. Opin. Invest. Drugs, 3, 1479 (2002), Wood, J.M., et al.: Biochem. Biophys. Res. Commun., 308, 698 (2003), Grandman, A.H., et al.: Circulation, 111, 1012 (2005),<br></p>

<p>Impurity Cefixime EP Impurity F<br>Applications Cefixime Ethyl Ester is an ester impurity of the third generation cephalosporin antibiotic, Cefixime (C242800).<br>References Bian, L. et al.: Yao. Fen. Zaz., 30, 872 (2010);<br></p>

<p>Applications Isotope labelled D-Cycloserine inhibits cell wall biosynthesis (D-Ala peptide bond formation). D-Cycloserine also prevents conversion of D-Ala to L-Ala. D-Cycloserine is an bacteriostatic. D-Cycloserine is an antibiotic against Gram-negative bacteria.<br>References Lamb., J.W., et al.: Anal. Profiles Drug Subs., 1, 53 (1972), Gentry-Weeks, C., et al.: J. Biol. Chem., 268, 7298 (1993), Alexander, F., et al.: Eur. J. Biochem., 219, 953 (1994), Auger, S., et al.: Biochimie, 87, 231 (2005),<br></p>

<p>Applications A cyclopropyldipyridodiazepinone derivative for use as non-nucleoside reverse transcriptase inhibitors.<br>References Couture, R., et al.: Eur. J. Pharmacol., 429, 161 ( 2001), Kuduk, S., et al.: J. Med. Chem., 47, 6439 (2004), Feng, D., et al.: Bioorg. Med. Chem. Lett., 15, 2385 (2005),<br></p>

<p>Applications Arachidonoyl p-Nitroaniline is a nitroaniline probe for FAAH activity.<br></p>

<p>Applications Labelled semi-synthetic antibiotic related to Penicillin. Antibacterial.<br>References Brogden, R.N., et al.: Drugs, 18, 169 (1979), Bird, A.E., et al.: Anal. Profiles Drug Subs. Excip., 23, 1 (1994),<br></p>

<p>Applications Fenbendazole-Amine Sulfoxide is a highly effective inhibitor of the helminth-specific enzyme, fumarate reductas in Ascaris suum. Also, it inhibits the polymerization of tubulin into microtubules in vitro.<br>References Barrowman, M. M., et al.: Biosci. Rep., 4, 879-883 (1984); Barrowman, M. M., et al.: Biochem. Pharmacol., 33, 3037-3040 (1984);<br></p>

<p>Applications Tenofovir is an acyclic phosphonate nucleotide analogue and reverse transcriptase inhibitor. It is used as an anti-HIV agent. Antiviral. Tenofovir (T018500) impurity.<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 Labelled Olsalazine (O586000). Dimer of Mesalazine (M258100), an anti-inflammatory drug used in the treatment of inflammatory bowel disease and ulcerative colitis.<br>References Willoughby, C.P., Gut, 23. 1081 (1982), Scand, J., et al.: Gastroenterol, 20, 607 (1985), Wadworth, A.N., et al.: Drugs, 41, 647 (1991)<br></p>

<p>Applications 1- tert-Butyl-3-[4-phenoxy-2,5-di(propan-2 -yl)phenyl]thiourea is an isomer of Diafenthiuron (D310550), an insecticide.<br>References Delbeke, F., et al.: Entomophaga, 42, 349 (1997); Mezcua, M., et al.: Anal. Chem., 81, 913 (2009);<br></p>

<p>Applications 2-Fluoroimidazole is a chemical reagent used in the synthesis of cephalosporins.<br>References Jung, F. et al.: J. Antibio., 46, 992 (1993);<br></p>

<p>Impurity Ganciclovir EP Impurity C<br>Applications 2’-Monodehydroxy-2’-chloro Ganciclovir is an Impurity of Ganciclovir (G235000). 2’-Monodehydroxy-2’-chloro Ganciclovir is a sugar modified acyclic analogue of guanosine (G837900). Studies have shown 2’-Monodehydroxy-2’-chloro Ganciclovir has potential to exhibit virucidal activity. Iso mono chloro ganciclovir<br>References Martin, J.C., et al.: J. Med. Chem., 29, 1384 (1986);<br></p>

<p>Applications Sesamol-d2 is the isotope labelled analog of Sesamol (S280600), which is a natural component of sesame oil with antioxidant activity. Sesamol has potential protective effects against free radicals as well as some antifungal activity. Sesamol can also be used as an intermediate in the preparation of antidepressants such as Paroxetine (P205750).<br>References Kim, J.Y. et al.: J. Agric. Food Chem., 51, 3460 (2003); Toshiko, O.: New Food Indust., 33, 1 (1991); Wynn, J.P. et al.: Lipids, 32, 605 (1997);<br></p>

<p>Applications Fluorescent Brightener KSN (cas# 5242-49-9) is a useful research chemical.<br></p>

<p>Applications 4-Chlorophenyl Benzoate is used as a reagent in the synthesis of phenstatin analogs via Fries rearrangement and Friedel-Crafts reaction. These biaryl analogs are antitubulin compounds.<br>References Tozatti, C., et al.: Quim. Nova, 35, 1758 (2012)<br></p>

<p>Applications Adrenocortical/mineralocorticoid Steroid.<br>References Quigley, J., et al.: Clin. Exper. Pharmacol. Physiol., 36, 724 (2009),<br></p>

<p>Applications 5-(Hydroxymethyl)furfuryl Alcohol is a secondary metabolite of Xylaramide, a new antifungal compound.<br>References Schneider, G., et al.: Biosciences, 51, 802 (1996),<br></p>

<p>Applications Serotonin-13C215N Hydrochloride, is a labelled Serotonin (S274980). Serotonin is a monoamine neurotransmitter.<br></p>

<p>Stability Hygroscopic<br>Applications Piperacilloic Acid-Piperacillin Dimer Disodium Salt is Piperacillin (P479950) impurity and can be obtained from it. Piperacillin (P479950) is broad spectrum semi-synthetic antibiotic related to Penicillin. Antibacterial.<br>References Takai, A., et al.: Chemotherapy, 25, 816 (1977); Bodey, G.P., et al.: Antimicrob. Agents Chemother., 14, 78 (1978); Kuck, N.A., et al.: J. Antibiot., 31, 1175 (1978);<br></p>