Toxicologie

<p>Applications 3,4-Dichlorophenoxyacetic acid is a synthesis reagent.<br></p>

<p>Applications Benzyl 2-Acetamido-3,4,6-tri-O-benzyl-2-deoxy-β-D-glucopyranoside is a reactant used in the preparation of oligosaccharide and glucosamine containing peptides used as inhibitors of influenza virus neuraminidase.<br>References Zhang, J. et al.: Carbohyd. Res., 346, 1997 (2011); Liu, J. et al.: J. Am. Chem. Soc., 124, 9789 (2002); Koto, S. et al.: Bull. Chem. Soc., 73, 173 (2000)<br></p>

<p>Applications Useful as vasodilators, antihypertensives, and spasmolytics.<br></p>

<p>Applications 1-Cyclopropyl-8-ethoxy-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid is an impurity in the synthesis of Moxifloxacin (M745000), a fluorinated quinolone antibacterial.<br>References Woodcock, J.M., et al.: Antimicrob. Ag. Chemother., 41, 101 (1997), Stass, H., et al.: Antimicrob. Ag. Chemother., 42, 2060 (1998)<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 4-(Dimethylamino)butanal Hydrochloride is the HCl salt of D492530, which was one of the reagents in discovery of a novel series of quinolone a6 nicotinic acetylcholine receptor agonists.<br>References McDonald, I., et al.: Bioorganic Med. Chem. Lett., 23, 1684 (2013).<br></p>

<p>Applications Filipin III is a cholesterol-binding, fluorescing antibiotic. Also, it is a pentaene macrolide produced by Streptomyces filipinensis, widely used for the detection and quantitation of cholesterol in biological membranes and as a tool for the diagnosis of Niemann-Pick type C disease;Polyene antibiotic, most extensively used tool for the specific detection of fluorescently labeled 3-β-hydroxysterols.<br>References Payero, T. D., et al.: Microb. Cell Fact., 14, 1-14 (2015); Stanislas, T., et al.: Methods Mol. Biol., 1209, 13-29 (2014)<br></p>

<p>Applications Dimethrin is a pesticide, a pyrethroid insecticide. An acaricide for agricultural purposes.<br>References Ford, M G.: Pestic. Sci., 10, 39 (1979); Gan, W., et al.: Zhonghua Yufang Yixue Zazhi, 35, 13 (2001); Wright, F. C.: Southwestern Entomol., 5, 222 (1980);<br></p>

<p>Impurity Clarithromycin Impurity O EP<br>Stability Hygroscopic<br>Applications Clarithromycin (9Z)-O-Methyloxime is an impurity of Clarithromycin (C559750); a semi-synthetic macrolide antibiotic and derivative of Erythromycin (E650000).<br>References Morgan, D., et al.: J. Chromatogr., 502, 351 (1990); Benson, C., et al.: Eur. J. Clin. Microbiol., 6, 173 (1987); Boyanova, L., et al.: J. Med. Microb., 61, 85 (2012); Lin, Z., et al.: Toxicol. Sci., 126, 114 (2012)<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 A labelled fluorinated quinolone antibacterial. An enantiomer of Levofloxacin (L360000).<br>References Hwangbo, H.J. et al.: Eur. J. Pharmac. Sci., 18, 197 (203); Gascon, A.R. et al.: J. Clin. Pharmacol, 40, 869 (2000); Monk, J.P., et al.: Drugs, 33, 346 (1987); Drlica, K., Curr. Opin. Microbiol. 2, 504 (1990);<br></p>

<p>Applications O-Desmethyl Quinine Hydrobromide, is a salt form of O-Desmethyl Quinine (D292145), a metabolite of Quinine (Q694000).<br>References Small, D.L., et al.: J. Chem. Med., 22, 1014 (1979), Guentert, T.W., et al.: Eur. J. Drug Metab. Pharmacokinet., 7, 31 (1982), Rakhir, A., et al.: J. Pharmacokinet. Biopharm., 12, 1 (1984), Christie, D.J., et al.: J. Lab. Clin. Med., 112, 92 (1988),<br></p>

<p>Applications Lopinavir O-β-D-Glucuronide 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 21-O-Acetyl Allo-3α-tetrahydro Cortisol 3-(2’,3’,4’-Tri-O-acetyl)-β-D-Glucuronide methyl ester is a Cortisol derivative. A potential corticoid metabolite. a<br>References Okihara, R. et al.; Chem. Pharm. Bull. 58, 344 (2010); Hosoda, H. et al.; Chem. Pharm. Bull. 32, 4023 (1984)<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>

<p>Applications (2R,4R)-Itraconazole (Mixture of Diastereomers) is an enantiomer of Itraconazole (I937500), an orally active antimycotic structurally related to Ketoconazole. Antifungal. It is a COVID19-related research product.<br>References Espinel-Ingroff, A., et al.: Antimicrob. Agents Chemother., 26, 5 (1984), Heykants, J., et al.: Mycoses, 32, Suppl 1, 67 (1989), Sugar, A.M.,et al.: Curr. Clin. Top. Infect. Dis., 13, 74 (1993),<br></p>

<p>Applications A labelled impurity of Gatifloxacin.<br>References Naber, C., et al.: Antimicrob. Agents Chemother., 45, 293 (2001), Herzler, M., et al.: J. Anal. Toxicol., 27, 233(2003), Pragst, F., et al.: Clin. Chem. Lab. Med., 42, 1325 (2004),<br></p>

<p>Applications A metabolite of Alpidem.<br>References Padovani, P., et al.: Eur. J. Drug Metab. Pharmacokinetics, 12, 295 (1987).<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 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>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>Applications A key intermediate in production of HCV (Hepatitis C virus) antivirals.<br>References McGowan, D., et al.: Bioorg. Med. Chem. Lett., 19, 2492 (2009), Birch, A., et al.: J. Med. Chem., 52, 1558 (2009),<br></p>

<p>Applications A novel labelled inhibitor of human immunodeficiency virus type 1 integrase.<br>References Chou, T., et al.: Eur. J. Biochem., 115, 207 (1981), Baba, M., et al.: Antimicrob. Agents Chemother., 31, 1613 (1987), Craigie, R., et al.: J. Biol. Chem., 276, 23213 (2001), Chen, X., et al.: J. Mol. Biol., 380, 504 (2008),<br></p>

<p>Applications (3S,7aR)-2,3,7,7a-Tetrahydro-2,2-dimethyl-5-(phenylmethyl)-imidazo[5,1-b]thiazole-3,7-dicarboxylic Acid-d5 is the isotope labelled analog of (3S,7aR)-2,3,7,7a-Tetrahydro-2,2-dimethyl-5-(phenylmethyl)-imidazo[5,1-b]thiazole-3,7-dicarboxylic Acid. (3S,7aR)-2,3,7,7a-Tetrahydro-2,2-dimethyl-5-(phenylmethyl)-imidazo[5,1-b]thiazole-3,7-dicarboxylic acid is a derivative of Penicillin G (P223400), which is an antibacterial, antimicrobial medication. Used in the treatment of pneumococcus and streptococcus bacterial infections.<br>References Tanaka, M. et al.: Antimicrob. Agents Chemother., 49, 88 (2005); Song, J. et al.: Epidemio. Infect., 140, 1267 (2012); Gamella, M. et al.: Analyst, 138, 2013 (2013);<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 Ethidium bromide (EtBr) is the most commonly used nucleic acid stain for PAGE or agarose gel electrophoresis. The fluorescence of EtBr increases 21-fold upon binding to double-stranded RNA and 25-fold on binding double-stranded DNA so that destaining the background is not necessary with a low stain concentration (10 μg/ml). Ethidium bromide has been used in a number of fluorimetric assays for nucleic acids. It has been shown to bind to single-stranded DNA (although not as strongly) and triple-stranded DNA. Because of its ability to bind to DNA, EtBr is an inhibitor of DNA polymerase. Antiprotozoal (Trypanosoma). Dyes and metabolites.<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 Waring, M.J., et al.: J. Mol. Biol., 13, 269 (1965), Probst, G.S., et al.: Environ. Mutagen., 3, 11 (1981),<br></p>

<p>Applications Labelled Eflornithine. Irreversible inhibitor of ornithine decarboxylase, an enzyme involved in polyamine biosynthesis. Antineoplastic; antipneumocystic; antiprotozoal (Trypanosoma). Used in the treatment of hirsutism.<br>References Bacchi, C.J., et al.: Science, 210, 332 (1980), Haegele, K.D., et al.: Clin. Pharmacol. Ther., 30, 210 (1981), Meyskens, F.L., et al.: Clin. Cancer Res., 5, 945 (1999),<br></p>

<p>Stability Hygroscopic<br>Applications Antibacterial.<br>References Iwahi, T., et al.: Antimicrob. Agents Chemother., 36, 1358 (1992), Miyake, A., et al.: J. Antibiot., 45, 709 (1992),<br></p>

<p>Stability Hygroscopic<br>Applications α-​(4-​Chlorophenyl)​-​α-​(1-​cyclopropylethyl)​-1H-​1,​2,​4-​triazole-​1-​ethanol is a diastereomer of Cyproconazole (C989070), a fungicide treatment for wood preservative that prevents decay from fungi in above-ground applications.<br>References Aiello, D., et al.: Plant. Disease., 97, 37 (2013); Bakirci, G.T., et al.: Food. Chem., 135, 1901 (2012); Sugitate, K., et al.: J. Pesticides. Sci., 37, 148 (2012);<br></p>

<p>Applications An active insecticidal constituent of pyrethrum flowers. Oxidizes rapidly and becomes inactive in presence of air.<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 Okey, A., et al.: Pharmacol. Ther., 45, 241 (1990), Barter, R., et al.: Toxicol. Appl. Pharmacol., 113, 36 (1992), Hood, A., et al.: Toxicol. Sci., 49, 263 (1999),<br></p>

<p>Applications Malonic Acid-2-13C is labelled Malonic Acid (M158005) which is a small bioactive molecule, that can be used in variuos reactions. It is the classic example of a competitive inhibitor, which acts against succinate dehydrogenase (complex II) in the respiratory electron transport chain.<br>References Weiner, N., "Malonic acid", Org. Synth.; Coll. Vol. 2: 376;<br></p>

<p>Applications Labelled Famotidine. Histamine H2-receptor antagonist. Antiulcerative.<br>References Takeda, M., et al.: Arzneim.-Forsch., 32, 734 (1982), Miwa, M., et al.: J. Clin. Pharmacol. Ther. Toxicol., 22, 214 (1984), Takabatke, T., et al.: Eur. J. Clin. Pharmacol., 28, 327 (1985),<br></p>

<p>Applications (Z)-rac-Luliconazole is a stereoisomer of Luliconazole (L473770) which 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 Light Sensitive<br>Applications Rifabutin Impurity C is an impurity of Rifabutin (R505000), a semisynthetic derivative of Rifamycin S that inhibits nucleic acid synthesis.<br>References O’Brien, R.J., et al.: Infect. Dis., 9, 519 (1987), Anand, R., et al.: Antimicrob. AG. Chemother., 32 (684 (1988), Skinner, M.H., et al.: Antimicrob. Agent Chemother., 33, 1237 (1989),<br></p>

<p>Impurity Valganociclovir EP Impurity J<br>Applications Ganciclovir Mono-O-propionate is a potential prodrug of Ganciclovir (G235000). Ganciclovir Mono-O-propionate was also found to exhibit anti-viral activity through experimental studies.<br>References Dias, C.S., et al.: J. Pharma. Sci., 91, 660 (2002);<br></p>

<p>Applications 10-O-Benzyl (R)-Apomorphine-d5 is the isotope labelled analog of 10-O-Benzyl (R)-Apomorphine (B230300); a benzyl derivative of (R)-Apomorphine (A727500) which is a dopamine (D1 and D2) receptor agonist, emetic, and antiparkinsonian.<br>References Neumeyer, J.L., et al.: J. Pharm. Sci., 59, 1850 (1970); Ginos, J.Z., et al.: J. Med. Chem., 18, 1194 (1975); Muhtadi, F.J., et al.: Anal. Profiles Drug Subs., 20, 121 (1991)<br></p>

<p>Applications Itraconazole Desethylene-seco-piperazine Mono-N-formyl Impurity of Itraconazole (I937500). Itraconazole is an orally active antimycotic structurally related to Ketoconazole. Antifungal. It is a COVID19-related research product.<br>References Espinel-Ingroff, A., et al.: Antimicrob. Agents Chemother., 26, 5 (1984), Heykants, J., et al.: Mycoses, 32, Suppl 1, 67 (1989), Sugar, A.M.,et al.: Curr. Clin. Top. Infect. Dis., 13, 74 (1993),<br></p>

<p>Applications Ethanolamine is used in the preparation of various pharmaceutical compounds and inhibitors. Substituted carboxamides are synthesized using Ethanolamine that show potent antitumor activity. Also used in the synthesis of aminoquinolones which display anti-plasmodial activity.<br>References Lombardo, L. et al.: J. Med. Chem., 47, 6658 (2004); Egan, T.: J. Med. Chem., 43, 283 (2000)<br></p>

<p>Applications Isotope labelled 1,2-Pentanediol is used in synthesizing quinoxalines from biomass-derived glycols. Also used in the synthesis of propiconazole (P770100) a fungicide as well as other antifungals.<br>References Climent, M. et al.: J. Catal., 292, 118 (2012); Zhou, Y. et al.: Carbo. Res., 344, 1289 (2009);<br></p>

<p>Applications Methyl 3,5-dichlorobenzoate (cas# 2905-67-1) is a useful research chemical.<br></p>