Toxicologie

<p>Applications o-Carbomethoxybenzyl Sulfonamide is a useful reactant in organic synthesis.<br>References Jiang, Lin, et al.: Youji Huaxue, 26(2), 203-206 (2006)<br></p>

<p>Applications Ethyl-2,2,2-d3 Alcohol: Most ethyl alcohols are used in alcoholic beverages in suitable dilutions. Other uses are as solvents in laboratory and industry , in the manufacture of denatured alcohol, pharmaceuticals, in perfumery, in organic synthesis. Used as antiseptic.<br>References Wiberg, G.S., et al.: Toxicol. Appl. Pharmacol., 16, 718 (1970), Brown, N.A., et al.: Science, 206, 573 (1979),<br></p>

<p>Applications An aminopyridine derivative with potential herbicidal activity.<br>References Xiao, Y. et al.: Nongyao, 42, 15 (2003);<br></p>

<p>Applications (1R,​4S)​-3-​Oxo-2-​azabicyclo[2.2.1]​hept-​5-​ene-​2-​carboxylic acid 1,​1-​Dimethylethyl Ester is an intermediate in synthesizing ent-Abacavir (Abacavir EP Impurity A) (A105015), an enatiomer of Abacavir (A105000). Abacavir is a carbocyclic 2'-deoxyguanosine nucleoside reverse transcriptase inhibitor and an anti-HIV drug used to treat HIV infection (1). Intracellular enzymes convert Abacavir to its active form, carbovir-triphosphate (CBV-TP), which then selectively inhibits HIV reverse transcriptase by incorporating into viral DNA (2). Abacavir is metabolized in the liver by uridine diphosphate glucuronyltransferase and alcohol dehydrogenase resulting in inactive glucuronide and carboxylate metabolites, respectively.<br></p>

<p>Applications 5-Amino-1-N-methylindole (CAS# 102308-97-4) is an indole derivative and building block, used in the copper-catalyzed synthesis of sulfonamides.<br>References Chen, Y.; et al.: J. Am. Chem. Soc., 140, 8781 (2018);<br></p>

<p>Applications 2-methoxy-3-pyridinesulfonyl chloride is patented as a reactant used to prepare erythromycin macrolide antibiotics as antibacterial and antiprotozoal agents.<br></p>

<p>Applications Intermediate in the preparation of antifungal agents.<br>References Saksena, A., et al.: Bioorg. Med. Chem. Lett., 4, 2023 (1994),<br></p>

<p>Applications 5,7-Dichloro-4-hydroxyquinoline is an intermediate in synthesizing Quinoxyfen-d4 (Q765502), an isotope labelled Quinoxyfen acts as an agricultural fungicide.<br>References Corrales, M., et al.: Food Chem. Toxicol., 48, 3471 (2010); Lagunas-Allue, L., et al.: Anal. Bioanal. Chem., 398, 1509 (2010); Wong, J., et al.: J. Agric. Food Chem., 58, 5897 (2010)<br></p>

<p>Applications 2,6-Dichloro-α-(4-chlorophenyl)-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)benzeneacetamide is an anticoccidial trazine intermediate in the synthesis of Diclazuril (D436200), an antiprotozoal agent that acts upon Coccidia parasites.<br>References McFarland, J.W., et al.: J. Med. Chem., 34, 1908 (1991);<br></p>

<p>Applications Sodium Benzoate-d5 (CAS# 62790-26-5) is a useful isotopically labeled research compound.<br></p>

<p>Applications Pefloxacin-d3 is deuterium labelled Pefloxacin, which is a fluorinated quinolone antibacterial; analog of Norfloxacin.<br>References Barre, J., et al.: J. Pharm. Sci., 73, 1379 (1984); Contrepois, A., et al.: J. Antimicrob. Chemother., 14, 51 (1984)<br></p>

<p>Applications 1,2-Dihydro-oseltamivir is the impurity of the anti-viral drug Oseltamivir Phosphate (O701000), which is an orally active inhibitor of influenza virus neuraminidase. It is a COVID19-related research product.<br>References Oliyai, R., et al.: Pharm. Res., 15, 1300 (1998); Kim, C.U., et al.: Med. Chem. Res., 8, 392 (1998); Hayden, F.G., et al.: N. Engl. J. Med., 341, 1336 (1999); Treanor, J.J., et al.: J. Am. Med. Assoc., 283, 1016 (2000); Kalashnikov, A., et al.: Russ. Chem. Bull., 62, 163 (2013);<br></p>

<p>Applications Labelled Des[(5-Methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol is an impurity of Cefazolin (C242500). Cefazolin impurity X3.<br>References Kidwai, M., et al.: Chem. Lett., 6, 487 (1999), Kidwai, M., et al.: Bioorg. Med. Chem., 8, 69 (2000),<br></p>

<p>Applications 4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one is used in the preparation of antimoebic compounds such as thiosemicarbazide derivatives. Also used in the preparation of triazine molecules displaying antifungal activity.<br>References Singh, S. et al.: Eur. J. Pharm. Sci., 25, 255 (2005); Tewari, A. et al.: Indian. J. Chem. B., 41B, 664 (2002);<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 Emtricitabine Glycosamine 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 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: Imidazole derivative with antifungal properties.<br>References Walker, K.A.M., et al.: J. Med. Chem., 21, 840 (1978), Odds, F.C., et al.: J. Antimicrob. Chemother., 14, 105 (1984),<br></p>

<p>Stability Light Sensitive<br>Applications Efavirenz 1-Desamine is an analog of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor. Antiviral.<br>References Young, S.D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995)<br></p>

<p>Stability Moisture Sensitive, Toxic<br>Applications Benzyl Chloromethyl Ether is a reagent in the preparation of benzoyl-hydroxypyrimidine-diones, which are dual inhibitors of HIV reverse transcriptase and integrase.<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 Tang, J., et al.: Bioorg. Med. Chem. Lett., 21, 2400 (2011); Berkley, S., et al.; Nat. Med. 16, 981 (2010)<br></p>

<p>Applications N-Desdecanoyl, N-(dodeca-2,6,9-trienoyl) Daptomycin Trifluoroacetic Acid Salt is an impurity of Daptomycin (D193350), cyclic lipopeptide antibiotic derived from a fermentation product of Streptomyces roseosporus; disrupts plasma membrane function in gram-positive bacteria. Antibacterial.<br>References Allen, N.E., et al.: Antimicrob. Agents Chemother., 31, 1093 (1987), Tully, F.P., et al.: Expert Opin. Invest. Drugs, 8, 1223 (1999),<br></p>

<p>Applications Ethanol-13C2 is a labelled analogue of Ethanol, which is used in alcoholic beverages in suitable dilutions and as solvent in laboratory and industry, in the manufacture of denatured alcohol, pharmaceuticals, in perfumery, and in organic synthesis.<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 Wiberg, G.S., et al.: Toxicol. Appl. Pharmacol., 16, 718 (1970); Brown, N.A., et al.: Science, 206, 573 (1979);<br></p>

<p>Applications Cuprous Cyanide-15N 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 Used in the preparation of triazole antifungal agents.<br></p>

<p>Applications A hydrated form of trisodium glycyrrhizinate, a bioactive compound used in conjunction with glutamyl-​tryptophan to treat acute infections caused by influenza (H3H2) virus.<br>References Smirnov, V. S.; Voprosy Virusologii, 57, 23 (2012).<br></p>

<p>Applications b-Phenylethyl Furoate (cas# 7149-32-8) is a useful research chemical.<br></p>

<p>Applications 2-(Benzyloxy)-1-propanol is used to prepare amino diol HIV-protease inhibitors. It is also used to synthesize diphenyl-substituted amino alcohols as protease inhibitors.<br>References Chen, P., et al.: J. Med. Chem., 39, 1991 (1996); Gordon, E., et al.: Eur. Pat. Appl. (1994), EP 580402 A2 19940126<br></p>

<p>Applications A metabolite of Triazolam (T767380).<br>References Gygi, S., et al.: Drug Metab. Dispos., 24, 282 (1996), Slawson, M., et al.: J. Anal. Toxicol., 20, 350 (1996), Mei, Z., et al.: Ther. Drug Monit., 19, 92 (1997), Nakahara, Y., et al.: Life Sci., 63, 88392 (1998),<br></p>

<p>Applications Hexamidine-d12 Impurity A Hydrochloride is the labeled analogue of Hexamidine Impurity A Hydrochloride is an impurity of Hexamidine (H294205), an amidine compound use in the treatment of amyloid-related diseases; also use as preservative in cosmetics. Antiseptic.<br>References Taylor, P., et al.: J. Pharmaceut. Sci., 72, 1477 (1983); Granel, F., et al.: Clin. Infect. Diseases, 23, 839 (1996); Bailly, C., et al.: Biochem. J., 323, 23 (1997); Enyedy, I., et al.: J. Med. Chem., 44, 1349 (2001)<br></p>

<p>Applications 2-Fluoro-3-methoxyaniline is a reagent that is used in the structure-activity relationship studies on a series of cyclopentane-containing macrocyclic inhibitors of hepatitis C virus NS3/4A protease leading to the discovery of TMC435350.<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 Raboisson, R., et al.: Bioorg. Med. Chem. Lett., 18, 4853 (2008)<br></p>

<p>Applications (S)-10-Monohydroxy-10,11-dihydro Carbamazepine-D3 is a labelled analogue of (S)-10-Monohydroxy-10,11-dihydro Carbamazepine (M546510), a metabolite of Eslicarbazepine acetate (E659000) a novel central nervous system drug.<br>References Duncan, J., et al.: Br. J. Clin. Pharmacol., 53, 123 (2002), Almeida, L., et al.: J. Clin. Pharmacol., 45, 1062 (2005), Coppola, G., et al.: CNS Drugs, 18, 133 (2004),<br></p>

<p>Impurity Fluconazole EP Impurity A<br>Applications Iso Fluconazole (Fluconazole EP Impurity A) is an impurity of Fluconazole (F421000). Fluconazole USP impurity A.<br>References Rogers, T., et al.: Antimicrob. Agents Chemother., 30, 418 (1986), Itoh, H., et al.: Chem. Pharmaceut. Bull., 48, 1148 (2000),<br></p>

<p>Applications 1,3-Difluoro-2-methylpropan-2-ol is a reagent used in the synthesis of hepatitis C virus inhibitors.<br></p>

<p>Applications Hexaflumuron-D3 is an isotope labeled compound of Hexaflumuron (H293885). Hexaflumuron is an benzoylphenylurea based chitin synthesis inhibitor used against Ephestia figulilella.<br>References Sun, C.X., et al.: Bull. Environ. Contamin. Toxicol., 89, 868 (2012); Khajepour, S., et al.: J. Insect. Sci., 12, 102 (2012);<br></p>

<p>Applications A di-substituted cyclohexane carboxylic acids used in the synthesis of macrolide antibiotics.<br>References Goss, R.J. et al.: Org. Biomol. Chem., 4, 5071 (2006);<br></p>

<p>Applications Labelled Olmesartan Medoxomil (O550000). Olmesartan Medoxomil is an angiotensin II receptor antagonist. Olmesartan Medoxomil is used as an anti-hypertensive.<br>References Yanagisawa, H., et al.: J. Med. Chem., 39, 323 (1996), Puchler, K., et al.: J. Hypertens., 15, 1809 (1997),<br></p>