Toxicología

<p>Applications 2-Iodo-4-(1-methylethyl)-6-(trifluoromethyl)pyrimidine is a pyrimidine compound, generally used in the synthesis of pharmaceutical compounds, it may be used in the synthesis of cycloindoles for the treatment of hepatitis C.<br></p>

<p>Applications Sofosbuvir 3',5'-Bis-(S)-phosphate is an impurity of PSI-7977 (P839640), a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro-β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Studies have profiled PSI-7977 as a nucleotide inhibitor of hepatitis C virus, exerting selective inhibitory effects towards HCV NS5B polymerase.<br>References Lam, A.M.,et al.: Antimicrob. Agents. Chemotherapy., 56, 3359 (2012); Lam, A.M., et al.: J. Virol., 85, 12334 (2011); Sofia, M.J., et al.: J. Medn. Chem., 53, 7202 (2010)<br></p>

<p>Applications 4-Iodo-2-methylquinoline is an intermediate for the synthesis of 4-Amino-1-[10-[(2-methyl-4-quinolyl)amino]decyl]quinaldinium Iodide Hydriodide (M493250), which is an impurity of Dequalinium (D288335); the active ingredient in various medications including antiseptic and anti-malarial agents.<br>References Kunisada, Y., et al.: J. Biomolec. Screen., 17, 140 (2012); Zeder-Lutz., G., et al.: Anal. Biochem., 421, 417 (2012)<br></p>

<p>Applications Labelled Asenapine. Asenapine is a combined serotonin (5HT2) and dopamine (D2) receptor antagonist; structurally related to Mianserin. 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 Meltzer, H. et al.: J. Pharmacol. Exp. Ther., 251, 238 (1989); Schotte, A. et al.: Brain Res., 631, 191 (1993); Andree, B. et al.: Psychopharmacology, 131, 339 (1997); Richelson, E. et al.: Life Sci., 68, 29 (2000);<br></p>

<p>Applications 1-Isocyanato-4-nitrobenzene is a useful synthetic intermediate. It can be used as a reactant in the synthesis of potent human NK1 tachykinin receptor antagonist. It can also be used to prepare N-{2-[(7-chloroquinolin-4-yl)amino]ethyl}ureas with antiprotozoal and antimycobacterial activities.<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 Walpole, C., et al.: J. Med. Chem., 41, 3159 (1998); Nava-Zuazo, C., et al.: Bioorg. Med. Chem., 18, 6398 (2010)<br></p>

<p>Applications Sofosbuvir (R)-Phosphate is an impurity of PSI-7977 (P839640), a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro-β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Studies have profiled PSI-7977 as a nucleotide inhibitor of hepatitis C virus, exerting selective inhibitory effects towards HCV NS5B polymerase.<br>References Lam, A.M.,et al.: Antimicrob. Agents. Chemotherapy., 56, 3359 (2012); Lam, A.M., et al.: J. Virol., 85, 12334 (2011); Sofia, M.J., et al.: J. Medn. Chem., 53, 7202 (2010)<br></p>

<p>Applications Used in the preparation of triazole antifungal agents.<br></p>

<p>Applications Labelled Clonazepam (C587080) metabolite.<br>References Huang, W., et al.: J. Anal. Toxicol., 19, 333 (1995), Rittner, M., et al.: J. Anal. Toxicol., 25, 115 (2001),<br></p>

<p>Applications Methyl 2-((((Benzyloxy)carbonyl)amino)methyl)-5-hydroxy-6-oxo-1,6-dihydropyrimidine-4-carboxylate is an intermediate used in the synthesis of N-((5-Hydroxy-6-oxo-4-((2,4,6-trifluorobenzyl)carbamoyl)-1,6-dihydropyrimidin-2-yl)methyl)-1,3,4-oxadiazole-2-carboxamide (H950690), which is a derivative of Raltegravir (R100305), 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 1-(2,2-Dihydroxyethyl)-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic Acid is an intermediate in the synthesis of Bictegravir-15N, d2 (B382096), which is the labeled version of Bictegravir, which is a novel, potent inhibitor of HIV-1 integrase with an IC50 of 7.5 nM.<br>References Tsiang M. et al.: Antimicrob Agents Chemother. 2016 Nov 21;60(12):7086-7097;<br></p>

<p>Applications Labelled Iprodione. Fungicide.<br>References Lacroix, L., et al.: Phytiatr.-Phytopharm., 23, 165 (1974), Brenneman, T.B., et al.: Plant Dis., 71, 546 (1987),<br></p>

<p>Applications 2-Ethoxy-4-ethoxysulfonylbenzoic Acid is a derivative of Methyl 2-Ethoxybenzoate (M220113), a useful chemical reagent, used in the synthesis and antibacterial triazoles and oxadiazoles, as well as sulfonamide compounds.<br>References Shi, Z. et al.: Compt. Rend. Chim., 18, 1320 (2015);<br></p>

<p>Applications 3-Acetyl-1-Boc-pyrrolidine is a boc protected reagent that is used for selective inhibitors of H. influenzae TrmD that mimic tRNA interaction by inducing TrmD lid domain ordering.<br>References Hill, P.J., et al.: J. Med. Chem., 56, 7278 (2013);<br></p>

<p>Applications Dimethachlor Oxalic Acid-d6 is deuterium labelled form of Dimethachlor Oxalic Acid (D460278), which is a pesticide metabolite and a pollutant found in untreated wastewater, surface water, and groundwater.<br>References Hollender, J., et al.: Environ. Sci. Technol., 43, 7862 (2009); Huntscha, S., et al.: J. Chromatogr. A, 1268, 74 (2012); Reemtsma, T., et al.: J. Chromatogr. A, 1271, 95 (2013); Neale, P., et al.: Sci. Total Environ., 576, 785 (2017);<br></p>

<p>Applications 1-Dehydro-chloramphenicol is metabolite of the drug Chloramphenicol (C325030). It can also be used in biological study fungicidal preparation for treatment of dermatomycosis in farm animals.<br>References Popluhar, L., et al.: Czech., CS 267192 B1 19900212 (1990)<br></p>

<p>Applications An intermediate in the preparation of HIV-integrase inhibitors<br>References Summa, V., et al.: J. Med. Chem., 51, 5843 (2008),<br></p>

<p>Applications 6-Chloropurine 2'-Deoxy-Beta-D-ribofuranoside Diacetate is an intermediate in the synthesis of anti-hepatitis C virus agents.<br>References Patil, V.M., et. al.: Lett. Drug Des. Discov., 7, 139 (2010)<br></p>

<p>Applications (E)-1,1'-[2-(2,4-Difluorophenyl)-1-propene-1,3-diyl]bis-1H-1,2,4-triazole is an impurity of Fluconazole (F421000), an antifungal.<br>References Richard, K. et al.: Antimicrob. Ag. Chemother., 27, 832 (1985),<br></p>

<p>Applications Dehydronaproxen is an analog of Naproxen (N377520), an anti-inflammatory, analgesic, antipyretic. A non-steroidal anti-inflammatory.<br>References Harrison, I.T., et al.: J. Med. Chem., 13, 203 (1970);<br></p>

<p>Applications (Z)-2'-Deschloro Luliconazole is a Luliconazole (L473770) impurity. Luliconazole is an azole antifungal drug.<br>References Uhida, K., et al.: J. Infect. Chemother., 10, 216 (2004); Niwano, ., et al.: Antimicro. Agents Chemother., 42, 967 (1998)<br></p>

<p>Stability Hygroscopic<br>Applications Profenofos-D3 is the labeled form of Profenofos(P755880). Profenofos is a broad-spectrum organophosphorous pesticide that is used widely in cotton fields for insect control (1). Acetylcholinesterase inhibiting organophosphoric pesticide (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<br></p>

<p>Applications 5-Methoxy Dapagliflozin Tetraacetate is an intermediate in the synthesis of (1S)-1,5-anhydro-1-C-[4-Chloro-3-[(4-ethoxyphenyl)hydroxymethyl]phenyl]-D-glucitol (A638185) which is an impurity of the drug Dapagliflozin (D185370), a sodium-glucose transporter 2 inhibitor.<br>References Kasichayanula, S. et al.: Diabetes, Obesity and Metabolism 13, 47 (2011)<br></p>

<p>Applications N-Boc Gatifloxacin N-Oxide is an intermediate used in the synthesis of Gatifloxacin N-Oxide (G250005), which 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 Hydroxymethyl Emtricitabine is an impurity of Emtricitabine(E525000) which is 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 Emtricitabine Phosphonic Acid is an intermediate used in the synthesis of Emtricitabine Triphosphate Triethylammonium Salt (E525075), which is a metabolite of (-)-Emtricitabine (E525000).<br>References Barditch-Crovo, P., et al.: Antimicrob. Agents Chemother., 45, 2733 (2001); Ray, A., et al.: Antivir .Ther., 10, 451 (2005); Borroto-Esoda, K., et al.: Antivir. Ther., 11, 377 (2006)<br></p>

<p>Applications Tenofovir Disoproxil is a therapeutic option for nucleos(t)ide analog (NA)-experienced chronic hepatitis B (CHB) patients infected with hepatitis B virus (HBV). Also, it is an intermediate used in the synthesis of Tenofovir Disoproxil Dimer (T018515), which is a Tenofovir Disoproxil impurity.<br>References Huang, M., et al.: Clin. Drug Investig., 36, 471-478 (2016); Cheng, G., et al.: Chem. Res. Toxicol., 16, 145 (2003)<br></p>

<p>Applications The active metabolite of Irinotecan (carboxylate form). SN-38 lactone and carboxylate may be considered pharmacokinetically distinct agents.<br>References Billecke, S., et al.: Drug Metab. Dispos., 28, 1335 (2000), Teiber, J., et al.: Biochem. Pharmacol., 66, 887 (2003), Ashley, G., et al.: J. Antibiot., 57, 224 (2004),<br></p>

<p>Applications Nodakenin (CAS# 495-31-8) is a useful research chemical compound.<br></p>

<p>Applications Labelled Triazolam (T767380(M)). Triazolam in an hypnotic drug used in the short term treatment of insomnia.<br>References Lomen, P., et al.: J. Int. Med. Res., 4, 55 (1976), Allens, G.S., et al.: J. Int. Med. Res., 6, 343 (1978), Pakes, G.E., et al.: Drugs, 22, 81 (1981).<br></p>

<p>Applications 6-O-Methyl-2',4''-bis-O-(trimethylsilyl)-9-[O-(1-ethoxy-1-methylethyl)oxime]-Erythromycin (CAS# 119665-62-2) is a derivative of erythromycin (E649950), an antibiotic.<br>References Koch, W.L., et al.: Anal. Profiles Drug Subs., 8, 157 (1979),<br></p>