Toxicologie

<p>Impurity Clarithromycin EP Impurity E<br>Applications 6,11-Di-O-methyl Erythromycin (Clarithromycin EP Impurity E) is a Di-O-alkyl Erythromycin (E649950) is an impurity of Clarithromycin (C559750). Clarithromycin impurity E per British Pharmacopoeia.<br>References Morimoto, S. et al.: J. Antibiot., 43, 286 (1990); Kohno, Y. et al.: J. Antimicrob. Chemother., 26, 503 (1990);<br></p>

<p>Applications 2-(4-Chlorophenyl)-4-hydroxy-4-methyl-6-oxo-1,3-Cyclohexanedicarboxylic Acid Diethyl Ester, is a polysubstituted cyclohexanone derivative showing antifungal activity against Aspergillus niger and cytotoxic activity against monkey kidney VERO C1008 cell<br>References Palsule D., et al.: Int. J. Pharm, Res Bio.Sci., Vol.3, Iss.4, P 14-31 (2014)<br></p>

<p>Applications Eslicarbazepine acetate-D3 is a labelled analogue of Eslicarbazepine acetate (E659000), a voltage-gated sodium channel blocker and antiepileptic that is used to treat patients with epilepsy.<br>References Almeida, L., et al.: Eur. J. Clin. Pharmacol., 64, 267 (2008); Gil-Nagel, A., et al.: Acta Neurol. Scand., 120, 281 (2009); McCormack, P. &amp; Robinson, D.: CNS Drugs, 23, 71 (2009)<br></p>

<p>Impurity Lamivudine EP Impurity J<br>Applications (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione (Lamivudine EP Impurity J) is an impurity of Lamivudine (L172500). (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione is also being further studied to determine its potential as an anti-HIV agent.<br>References Jeong, L., et al.: J. Med. Chem., 36, 181 (1993)<br></p>

<p>Applications Agomelatine-d3 (acetamide-2,2,2-d3) (CAS# 1079389-38-0) is a useful isotopically labeled research compound.<br></p>

<p>Applications 2-Nitromorphine is an intermediate in the synthesis of 3-O-(Codein-2-yl)morphine (C634500), an impurity of Codeine (C634075).<br>References Chatterjie, N., et al.: Syn. Commun., 9, 647 (1979);<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 (4R)-2-Oxoclopidogrel is an essential intermediate metabolite from which the active metabolite of Clopidogel is formed.<br>References Feliste, R., et al.: Thromb. Res., 48, 403 (1987), Savi, P., et al.: Biochem. Pharmacol., 44, 527 (1992), Herbert, J., et al.: Cardiovasc Drug. Rev., 11, 180 (1993), Sugidachi, A., et al.: B. J. Pharmacol., 132, 47 (2001)<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>Applications (R,R)-Sertraline acts as a selective serotonin reuptake inhibitor that displays minor antifungal activity as well.<br>References Young, T. et al.: J. Antimicrob. Chemother., 51, 1045 (2003);<br></p>

<p>Applications LY 364947, is a potent ATP-competitive inhibitor of Tgf-β signaling.<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 Ichida, J.K., et al.: Cell Stem Cell, 5, 491 (2009);<br></p>

<p>Applications Omeprazole (O635000) impurity.<br></p>

<p>Applications Labelled analogue of Fenthion Sulfoxide, the sulfoxide anlogue and 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 Wallnoefer, P. et al.: Pflanzensch.-Nach., 29, 236 (1976); Minelli, E.V. et al.: J. Agric. Food. Chem., 44, 936 (1996);<br></p>

<p>Applications 1-Oxo Fexofenadine Methyl Ester, is an intermediate in the preparation of Fexofenadine (F322470). It can also be used for the synthesis of an oxidation metabolite of Terfenadine (T114500),a H1-receptor antagonist.<br>References Garteiz, D.A., et al.: Arzneim.-Forsch., 32, 1185 (1982), Rampe, D., et al.: Mol. Pharmacol., 44, 1240 (1993), Obradovic, T., et al.: Pharm. Res., 24, 318 (2007); Kawai, S., et al.: J. Org. Chem., 59, 2620 (1994);<br></p>

<p>Applications 17α-Cyanomethyl-19-nortestosterone is a metabolite of Norethindrone (N676000), an progesteron used in combination with estrogen as contraceptive.<br>References Oettel, M., et al.: Pharmazie., 48, 541 (1993); Wong, T.C., et al.: J. Chem. Soc., Perk. Trans., 5, 765 (1988); Schubert, K., et al.: Org. Chem., 20, 143 (1985);<br></p>

<p>Applications 4,5-Dimethyl-N-2-propen-1-yl-3-thiophenecarboxamide is a derivative of Silthiofam (S465070(M)), which is a fungicide.<br>References Asrar, J., et al.: PCT Int. Appl. (2003), WO 2003026421 A1<br></p>

<p>Applications A benzodiazepine derivative that possesses anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties. It is a precursor to Desmethyldiazepam (D291595) and is equal to or more effective than Diazepam (D416855) with a lower frequency of side effects.Controlled Substance.<br>References Fann, W.E. et al.: Pharmacother., 2, 72 (1982); Greenblatt, D.J. et al.: Lancet, 1, 1358 (1982);<br></p>

<p>Applications Testosterone Laurate-d23 is the isotopic analog of Testosterone Laurate. Testosterone Laurate is a derivative of testosterone(T155000), which is used in analytical studies to determine testosterone and nandrolone esters in race horse plasma for doping control through UPLC-ESI-MS-MS.<br>References You, Y., et al.: J. Chromato., 1218, 3982 (2011); Guan, F., et al.: Mass Spectrom., 45, 1270 (2010)<br></p>

<p>Applications Ethychlozate<br></p>

<p>Stability Hygroscopic<br>Applications 4-(Trifluoromethoxy)aniline is used in the synthesis of anticancer agents and antitumor medicaments. Also, its an intermediate in the production of labelled Riluzole (R510000), a neuroprotective agent. Modulates glutamatergic transmission. A glutamate release inhibitor. An anticonvulsant.<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 Cilibrizzi, A., et al.: J. Med. Chem., 52, 5044 (2009), Verhaeghe, P., et al.: Bioorg. Med. Chem., 17, 4313 (2009), Chandregowda, V., et al.: Eur. J. Med. Chem., 44, 3046 (2009), Wahl, F., et al.: Eur. J. Pharmacol., 230, 209 (1993) Bensimon, G., et al.: N. Engl. J. Med., 330, 585 (1994); Piras, S. et al.: Eur. j. Med. Chem., 75, 169 (2014); Vyas, V. et al.: Eur. J. Med. Chem., 82, 385 (2014);<br></p>

<p>Applications 3-(Dichloroacetyl)-2,2,5-trimethyloxazolidine is used in the synthesis of herbicidal compositions containing methiozolin.<br>References Kraus, H., et al.: PCT Int. Appl., 75 (2019)<br></p>

<p>Applications (S)-(-)-Ofloxacin-d3 (N-methyl-d3) (CAS# 2208780-63-4) is a useful isotopically labeled research compound.<br></p>

<p>Applications Carboxytolbutamide-d9 (butyl-d9) (CAS# 1219802-95-5) is a useful isotopically labeled research compound.<br></p>

<p>Applications 4-(Trifluoromethoxy)benzoic Acid-13C is labeled 4-(Trifluoromethoxy)benzoic Acid (T790720) which 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>Applications (±)-Betaxolol-d7 HCl (iso-propyl-d7) (CAS# 1219802-92-2) is a useful isotopically labeled research compound.<br></p>

<p>Applications A potential metabolite of Exemestane (E957000).<br>References Buzzetti, F., et al.: Steroids, 58, 527 (1993),<br></p>

<p>Applications (R)-Chloropheniramine is an intermediate used in the synthesis of (R)-(-)-Chlorpheniramine Maleate (C424306), which is the R-enantiomer of Chlorpheniramine (C424300). Antihistaminic.<br>References Ishida, M., et al.: Int. J. Pharm., 359, 46 (2008), Moreno, R., et al.: Biomed. Chromatog., 24, 774 (2010), Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010),<br></p>

<p>Applications N-Demethyl Erythromycin A-d7 is a labeled version of N-Demethyl Erythromycin A (D230930), which is a metabolite of Erythromycin (E649950).<br>References Rich, D.H., et al.: J. Med. Chem., 18, 1004 (1975), Itoh, Z,. et al.: Antimicrob. Agents Chemother., 26, 863 (1984), Omura, S., et al.: J. Antibiotics 38, 1631 (1985)<br></p>

<p>Applications Riluzole N-β-D-Glucuronide is the glucuronide conjugate and metabolite of Riluzole (R510000), a neuroprotective agent.<br></p>

<p>Applications 4-Androsten-17alpha-methyl-17beta-ol-3-one-1,2-d2 is a useful isotopically labeled compound of 17α-Methyl Testosterone (M326400)<br></p>

<p>Applications Testosterone-16,16,17-d3 Hexanoate is a useful isotopically labeled compound of Testosterone Hexanoate (T155125)<br></p>

<p>Applications 2,3-Dimethylbenzoquinone is a reagent in the preparation of hydroxycinnolines which has antifungal activity.<br>References Ryu, C., et al.: Bioorg. Med. Chem. Lett., 16, 1850 (2006)<br></p>

<p>Stability Very unstable<br>Applications Cefixime Impurity is an impurity of Cefixime (C242800); an 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 A Levamisole derivative<br>References Lewis, J., et al.: Mol. Pharmacol., 31, 185 (1987),<br></p>

<p>Impurity Ritonavir EP Impurity F<br>Applications Des(isopropylthiazolyl) Hydantoin Ritonavir (Ritonavir EP Impurity F) is a Ritonavir (R535000) derivative with potential use in the treatment of viral infections. Cytochrome P450 oxidase inhibitor. It is a COVID19-related research product.<br>References Daluge, S., et al.: Antimicrob. Agents Chemother., 38, 1590 (1994); Ammaranond, P., et al.: J. Clin. Virol., 26, 153 (2003);<br></p>

<p>Applications Testosterone-2,2,4,6,6-d5 Acetate is a useful isotopically labeled compound of Testosterone 17-O-Acetate (T155025)<br></p>

<p>Applications 3-Bromopropionic-2,2,3,3-d4 Acid is the labeled analog of 3-Bromopropionic acid (B687705). 3-Bromopropionic Acid is used as a reagent in the synthesis of nitrogen containing diselenides which exhibit antioxidant activity. Also used as a reagent in the synthesis of indolin-2-one-based multi-targeted receptor tyrosine kinase inhibitors as potential anticancer agents.<br>References Nascimento, V., et al.: Eur. J. Med. Chem., 87, 131 (2014); Zhang, L., et al.: Eur. J. Med. Chem., 82, 139 (2014)<br></p>

<p>Applications Diphenyl (Hydroxymethyl)phosphonate is a reagent for the synthesis of amidate prodrugs of novel nucleoside phosphonate HIV reverse transcriptase (RT) inhibitor GS-9148.<br>References Mackman, R. L., et al.: Bioorg. Med. Chem., 18, 3606 (2010)<br></p>

<p>Applications Metopimazine (MPZ) is used to prevent emesis during chemotherapies. Antiemetic.<br>References Catz, P., et al.: Int. J. Pharm., 58, 93 (1990), Sato, K., et al.: J. Pharm. Sci., 80, 104 (1991), Herrstedt, J., et al.: Cancer Chemother. Pharmacol., 33, 53 (1996), Sigsgaard, T., et al.: J. Clin. Onc., 19, 2091 (2001),<br></p>

<p>Applications Aprindine is a long-acting antiarrhythmic agent, effective when administered orally or intravenously in the treatment of ventricular arrhythmias of varying etiologies.<br>References Danilo, P. Jr., et al.: Am. Heart. J., 97, 119 (1979); Atarashi, H., et al.: Circulation. J., 66, 553 (2002);<br></p>

<p>Applications A metabolite of Rosiglitazone.<br>References Balton, G.C., et al.: Xenobiotica, 26, 6, 627 (1996), Kim, K., et al.: J. Clin. Pharmacol., 45, 941 (2005), Kirchheiner, J., et al.: Clin. Pharmacol. Ther., 80, 657 (2006), O'Maille, G., et al.: J. Pharm. Biomed. Anal., 48, 934 (2008),<br></p>

<p>Applications An optically active metabolite of Tramadol.<br>References Garrido, M., et al.: J. Pharmacol. Exp. Ther., 305, 710 (2003), Pedersen, R., et al.: Eur. J. Clin. Pharmacol., 62, 513 (2006),<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 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>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>