Toxicología

<p>Applications Bis-clindamycinyl-(2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran) Phosphate is an intermediate used in the synthesis of Bis-clindamycinyl Phosphate (B419135), which is an impurity of Clindamycin (C580000), an antibiotic prepared from Lincomycin (L466200), used to treat various infections.<br>References Birkenmeyer, R.D., et al.: J. Med. Chem., 13, 616 (1970); Oesterling, et al.: J. Pharm. Sci., 59, 63 (1970); Gray, J.E., et al.: Toxicol. Appl. Pharmacol., 21, 516 (1972); Brown, L.W., et al.: Anal. Profiles Drug Subs., 10, 75 (1981);<br></p>

<p>Applications A phenylpyridine derivative used in the preparation of HIV protease inhibitors I and other pharmaceutical agents.<br>References De Goey, D.A. et al.: J. Med. Chem., 52, 2571 (2009); Engstrom, K. et al.: J. Org. Chem., 71, 5369 (2006);<br></p>

<p>Applications Intermediate for the preparation of Naratriptan and other indole sulfonamide derivatives.<br></p>

<p>Applications 1-(3-Chloro-2-methylpropyl)-4-(1,1-dimethylpropyl)benzene is a useful synthetic intermediate in the synthesis of Amorolfine Hydrochloride (A634170); a morpholine antifungal drug and topical solution for the treatment of toenail infections. 1-(3-Chloro-2-methylpropyl)-4-(1,1-dimethylpropyl)benzene is also used in the preparation of Fenpropidin (F249470); a fungicide.<br>References Rotta, I., et al.: JAMA Dermatol., 149, 341 (2013); Espinel-Ingroff, A., et al.: Antimicrob. Agents Ch., 26, 5 (1984); Broger, E.A., et al.: Eur. Pat. Appl. EP 492401 A1 19920701. Jul 1, 1992; Leroux, P. Walker, A.: Eur. J. Plant Path., 135, 683 (2013); Zhao, H., et. al.: Ecotox. Environ. Safe., 77, 52 (2012)<br></p>

<p>Applications An epimer of Lincomycin (L466200); a 6-amino, 6-deoxy-octopyraninose with strong antibiotic activity. A less potent bactericidal than its (7R)-epimer.<br>References Le Goffic, F. et al.: J. Antimicrob. Chemother., 16, 12 (1985); Prior, C. et al.: J. Pharmacol. Exp. Therap., 255, 1170 (1990);<br></p>

<p>Applications A reactant used in the preparation of non-nucleoside Inhibitors of HIV-1 Reverse Transcriptase and mesoionic xanthine analogs.<br>References Freeman, G. et al.: J. Med. Chem., 47, 5923 (2004); Glennon, R. et al.: J. Med. Chem., 24, 658 (1981)<br></p>

<p>Applications 2-(1-Ethylpropyl)-2,4-dihydro-4-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one is an intermediate in the synthesis of Deshydroxy Posaconazole Impurity (A6480252), which is a 2,2,5-tetrahydrofuran regioisomers of SCH 51048 (A648025) that exhibit antifungal activity.<br>References Lovey, R.G.; et al.: Bioorganic Med. Chem. Lett, 12, 1739 (2002)<br></p>

<p>Applications Vedroprevir is a pharmaceutical drug that is used in the treatment of hepatitis C virus in patients with HCV genotype 1 infection. It inhibits an important viral phosphoprotein, NS5A, which is involved in viral replication, assembly, and secretion.<br>References Feld, J.J., et al.: New Eng. J. Med., 370, 1594 (2014); Lawitz, E., et al.: J. Hepatol., 57, 24 (2012); Afdhal, N., et al.: New England J. Med., 370, 1889 (2014)<br></p>

<p>Applications Ampicillin Desoxyazetidin-2-one can be used to develop HPLC methods that detect compounds or impurities related to ampicillin in bulk drug. Ampicillin Desoxyazetidin-2-one is a related compound of Ampicillin (A634300), a β-lactam antibiotic used for treating bacterial infection. Ampicillin interferes with cell wall synthesis in bacteria.<br>References Raju, Ch. B. V. N., et al.: Anal Chem : Ind J, 7, 354 (2008); Fisher, J. F., et al.: Chem. Rev. 105, 395 (2005); Sill, M. L., et al.: Antimicrob. Agents Chemother. 52, 1551 (2008); Ivashkiv, E., et al.: Anal. Profiles Drug Subs. 2, 1 (1973)<br></p>

<p>Applications N'-Boc,N,N'-Desethylene Iso Gatifloxacin Anhydride with Diacetyl Borate is an impurity of Gatifloxacin (G250000), an antibacterial agent.<br>References Bauernfeind, A.: J. Antimicro. Chemother., 40, 639 (1997), Fukuda, H., et al.: Antimicrob. Ag. Chemother., 42, 1917 (1998),<br></p>

<p>Applications N-[(2,4-Difluorophenyl)methylene]-2,4-difluoro-benzenemethanamine is derived from 2,4-Difluorobenzylamine (D450850), which acts as a reagent for the design of pyrazole derivatives as non-nucleoside heptatitis B virus inhibitors. It is also used as a reagent in the preparation, HIV antiviral activity, SAR, and molecular modelling of hydroxypyridonecarboxylic acids as HIV reverse transcriptase inhibitors.<br>References Jia, H., et al.: Eur. J. Med. Chem., 123, 202 (2016); Kankanala, J., et al.: J. Med. Chem., 59, 5051 (2016)<br></p>

<p>Applications Posaconazole-D-Glucuronide is an impurity of Posaconazole(P689600); is orally active triazole antifungal.<br>References Cacciapuoti, A., et al.: Antimicrob. Agents Chemother., 44, 2017 (2000), Herbrecht, R., et al.: Int. J. Clin. Pract., 58, 612 (2004), Panackal, A., et al.: J. Clin. Microbiol., 44, 1740 (2006),<br></p>

<p>Applications Rapamycin (R124000) derivative, 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.<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 ((2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl hydrogen ((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonate is an impurity of Emtricitabine (E525000), 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 FASEB J., 13, 1511 (1999), Molina, J.-M., et al.: J. InfecSchinazi, R.F., et al.: Antimicrob. Ag. Chemother., 36, 2423 (1992), Shockeor, J.P., et al.: Xenobioica, 26, 189 (1996), Feng, J.Y., et al.: . Dis., 182, 599 (2000)<br></p>

<p>Applications (R)-Telaprevir-d4 is the labeled analog of (R)-Telaprevir, an enantiomer of Telaprevir (T015650). Telaprevir is an known inhibitor of the hepatitis C virus NS3-4A protease. It is a COVID19-related research product.<br>References Francois, J., et al.: J. Medn. Chem., 52. 7993 (2009); Kieffer, T., et al.: Hepatology, 46, 631 (2007), Zhou, Y., et al.: Antimicrob. Agents Chemother., 52, 110 (2008), Hezode, C., et al.: N. Engl. J. Med., 360, 1839 (2009);<br></p>

<p>Applications Acifluorfen-methyl-2-amino is a derivative of Acifluorfen (A795248), a herbicide.<br>References Gooch, A. et al.: Env. Toxicol. Chem., 36, 2227 (2017)<br></p>

<p>Applications A new substituted pyridazinone with tuberculostatic action.<br>References Wright, L., et al.: J. Antimicrob. Chemother., 12, 317 (1983), Choi, W., et al.: Anal. Biochem., 219, 368 (1994), Zacchino, S., et al.: J. Nat. Prod., 62, 1353 (1999), Urbina, J., et al.: Bioorg. Med. Chem., 8, 691 (2000),<br></p>

<p>Applications Lopinavir D-Valine Diastereomer-d9 is the isotope labelled analog of Lopinavir D-Valine Diastereomer. Lopinavir D-Valine Diastereomer is a metabolite of Lopinavir (L469480); a selective HIV protease inhibitor and 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 α-Linolenoyl Ethanolamide-d4 is the labeled analogue of alpha-Linolenoyl Ethanolamide (L467718), which is an endocannabinoid containing a-linolenic acid.<br>References Hanus, L., et al.: J. Med. Chem., 36, 3032-3034 (1993)<br></p>

<p>Applications Fensulfothion Oxon Sulfide is a metabolite of the insecticide fensulfonthion (F265490), an inhibitor of cholinesterase activity.<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 Solly, S.R.B., et al.: New. Zea. J. Agri. Res., 14, 88 (1971); Hansch, C., et al.: Biochem. Toxicol. Insectic. Proc., 33 (1970);<br></p>

<p>Applications N6-Cyclopropyl-9H-purine-2,6-diamine is an impurity of Abacavir Sulfate (A105000), a nucleoside reverse transcriptase inhibitor (1,2,3).<br>References (1) Daluge, S.M., et al.: Antimicrob. Ag. Chemother., 41, 1082 (1997) (2) Foster, R.H., et al.: Drugs, 55, 729 (1998) (3) Staszewski, S., et al.: J. Am. Med. Assoc., 285, 1155 (2001)<br></p>

<p>Applications 4-Chloro-5-hydroxy-2-nitrobenzoic Acid Methyl Ester is an intermediate in the synthesis of Albaconazole (H761395), an antifungal agent as neuroprotectant.<br></p>

<p>Applications 4-O-Desmethyl 4-O-Ethyl Trimethoprim-D5 is a labelled analogue of 4-O-Desmethyl 4-O-Ethyl Trimethoprim (D295700).<br></p>

<p>Applications Ivosidenib is a first-in-class mutant IDH1 inhibitor for the treatment of IDH1 mutant cancers.<br>References Popovici-Muller, J., et al.: ACS Medicinal Chemistry Letters, 9, 300 (2018);<br></p>

<p>Applications Isotope labelled Cyclopropylmethyl Bromide is a reagent used in the synthesis of human dihydroorotate dehydrogensase inhibitors which are based on azole scaffolds. In addition it is used in the preparation of ([11C]CMDC) for PET imaging of mGlur2 which has been a proposed target in the treatment of schizophrenia.<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 Sainas, S. et al.: Eur. J. Med. Chem., 129, 287 (2017); Ma, Y. et al.: Bioorg. Med. Chem., 25, 1014 (2017);<br></p>

<p>Applications N-Oleoyl Taurine which belongs to the class of N-Acyl Taurines were detected in beta cells of Langerhans islets causing insulin secretion results beta cell dysfunction in type 2 diabetes<br>References Aichler, M., et al.: Cell Metab., 25, 1334-1347 (2017)<br></p>

<p>Applications N-Isopropyl-3,4-dimethyl-2,6-dinitroaniline is a dinitro herbicides.<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 Chen, Y., et al.: Green Chemistry, 15, 91 (2013)<br></p>