Toxicology

<p>Applications N,9-O-Diacetylneuraminic Acid is a primary receptor determinant of influenza C virus.<br>References Rogers, G., et al.: J. Biol. Chem., 261, 5947 (1986); Herrler, G., et al.: EMBO J., 4, 1503 (1985);<br></p>

<p>Applications Monocrotophos is an organophosphorous insecticide. Monocrotophos is used mainly against cotton pests but it is also used in the protection of citrus, rice, potatoes, vegetables and other crops.<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 Patel, I. et al.: Ind. J. Agric. Sci., 67, 83 (1997); Rao, V.L. et al.: Ind. J. Agric. Sci., 54, 209 (1984); Kinzer, R.E. et al.: J, Econ. Entomol., 69, 697 (1976);<br></p>

<p>Applications Fuberidazole is a benzimidazole based fungicide used as a fungicidal seed treatment of barley.<br>References Secci, D., et al.: J. Heterocyc. Chem., 49, 1187 (2012); Altmeye, M.A., et al.: Bioorg. Med. Chem. Lett., 20, 4038 (2010);<br></p>

<p>Applications Labelled Tolfenamic Acid. Non-steroidal anti-inflammatory drugs (NSAIDs). A derivative of anthranilic acid, related structurally to Mefenamic and Flufenamic acids. Anti-inflammatory, analgesic.<br>References Pentikaeinen, P., et al.: Eur. J. Clin. Pharmacol., 19, 359 (1981), Bundscherer, A., et al.: Oncol. Rep., 19, 547 (2008), Elwood, P., et al.: Lancet, 373, 1301 (2009),<br></p>

<p>Applications (±)-N-(2,6-Dimethylphenyl)-1-iso-propyl-d7-2-piperidinecarboxamide (CAS# 1276197-11-5) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications (±)-Mevalonolactone-4,4,5,5-d4 (CAS# 349553-98-6) is a useful isotopically labeled research compound.<br></p>

<p>Applications N-Methoxycarbonyl Dabigatran Ethyl Ester is an impurity of Dabigatran (D100090), which is antithrombotic drug.<br>References Hauel, N., et al.: J. Med. Chem., 45, 1757 (2002); Mungall, D., et al.: Curr. Opin. Invest. Drugs, 3, 095 (2002); Stangier, J., et al.: J. Clin. Pharmacol., 45, 555 (2005);<br></p>

<p>Applications rac-7,8 Dihydroxy Efavirenz is the racemic mixture of (S)-7,8-Dihydroxy Efavirenz(D452979) which is a metabolite of (S)-Efavirenz (E425000); a nonnucleoside HIV-1 reverse transcriptase inhibitor.<br>References Young, S. D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995); Deng, Y., et al.: J. Sep. Sci., 38, 1529 (2015)<br></p>

<p>Applications A labelled metabolite of Moxifloxacin (M745000).<br>References Steinijans, V., et al.: J. Clin. Pharmacol. Ther., 29, 323 (1991), Haria, M., et al.: Drugs, 51, 585 (1996), Pickerill, K., et al.: Pharmacotherapy, 20, 417(2000),<br></p>

<p>Stability Hygroscopic<br>Applications Nicotine-N-(4-deoxy-4,5-didehydro)-β-D-glucuronide is a possible metabolite of Nicotine (N412420).<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></p>

<p>Applications Asunaprevir is an inhibitor of the viral enzyme serine protease HCV NS3. Also functions as a second generation NS3/4A protease inhibitor used in the treatment of hepatitis C.<br>References Takehara, T., et al.: Igaku no Ayumi, 255, 1155 92015); Kalaghatgi, P., et al.: PLoS One, 11, 5 (2016)<br></p>

<p>Applications N-(2-Hydroxyethyl)tetracosanamide acts as a crude oil emulsifier.<br>References Zhiqiang, J., et al.: Fami Zhu Shen., 5 (2016)<br></p>

<p>Applications 3-Chloro-5-fluoro Clodinafop Propargyl is an impurity of Clodinafop Propargyl (C584515), which is a herbicide that is used for weed control in wheat.<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 Aliverdi, A., et al.: Weed Biol. Management, 9, 292 (2009), Hochberg, O., et al.: Weed Res., 49, 37 (2009), Liu, B., et al.: J. Agric. Food Chem., 58, 2673 (2010),<br></p>

<p>Applications An Atorvastatin impurity in bulk drug and tablets.<br></p>

<p>Applications (S)-7,8-Dihydroxy Efavirenz is a metabolite of (S)-Efavirenz (E425000); a nonnucleoside HIV-1 reverse transcriptase inhibitor.<br>References Young, S. D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995); Deng, Y., et al.: J. Sep. Sci., 38, 1529 (2015)<br></p>

<p>Applications Eugenol-glucuronide is a metabolite of Eugenol (E938640) formed in isolated rat hepatocytes.<br>References Thompson, David C., et al.: Chemico-Bio. Inter., 77(2), 137-47 (1991)<br></p>

<p>Applications Isotope labelled (2R)-3-Carboxy-2-[(9-carboxy-1-oxononyl)oxy]-N,N,N-trimethyl-1-propanaminium Inner Salt is a useful intermediate that is often used in the metabolic studies of insulin production in humans.<br>References Shah, S.H.; et al.: Diabetologia, 55, 321 (2012)<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 Cefdinir Thiazine Analog is hydrolytic degradation product of Cefdinir (C242670).<br>References Okamoto, Y., et al.: J. Pharm. Sci., 85, 976 (1996)<br></p>

<p>Applications 3-[Methyl(1-naphthalenylmethyl)amino]-1-phenyl-1-Propanone is an impurity of naftifine (N213100) an antifungal.<br>References Stuetz, A., et al.: Journal of Medicinal Chemistry, 29, 112 (1986)<br></p>

<p>Applications The dopamine receptors play important role in cognition, memory, learning, and motor control (1). These receptors have been implicated as a therapeutic target for many psychiatric and neurological disorders. R(-)-2,10,11-Trihydroxy-N-propyl-noraporphine Hydrobromide is a potent and selective D2 dopamine receptor agonist (2).<br>References (1) Ptácek, R., et al.: Med Sci Monit. 17, RA215 (2011) (2) Gao, Y. G., et al.: J Med Chem. 33, 1800 (1990)<br></p>

<p>Applications O-Methyl Atovaquone-13C,d3 is the labeled analogue of O-Methyl Atovaquone (M288300). O-Methyl Atovaquone is a Atovaquone derivative that shows protozoacidal activity against Plasmodium falciparum.<br>References Danoun, S., et. al.: Heterocycl. Commun., 5, 343 (1999)<br></p>

<p>Applications N2-(1-Ethylpropyl)-4,5-dimethyl-3-nitro-1,2-benzenediamine is a metabolite of Pendimethalin (P221900), an herbicide used to control the spread of weedgrass.<br>References Haith, D., et al.: Environ. Sci. Technol., 44, 6496 (2010); Jabran, K., et al.: Int. J. Agric. Biol., 12, 335 (2010); Rahaman, S., et al.: Environ. Ecol., 28, 1 (2010); Smith, R.H., et al.: Chemosphere, 8, 855-61 (1979);<br></p>

<p>Applications Danoprevir is a selective and potent inhibitor of Hepatitis C virus.<br>References Ali, A. et al.: ACS. Chem. Biol., 8, 1469 (2013); Rong, L. et al.: PLoS. Comp. Biol., 9, e1002959 (2013);<br></p>

<p>Applications An impurity of the antiviral drug Oseltamivir (O700100). It is a COVID19-related research product.<br></p>

<p>Applications A Nicorandil (N398500) derivative<br></p>

<p>Applications An amine reactive trifunctional cross linker.<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 Linear Daptomycin Hydrochloride Salt is the hydrochloride salt of L466470, which is the open-conformation of Daptomycin (D193350), cyclic lipopeptide antibiotic derived from a fermentation product of Streptomyces roseosporus; disrupts plasma membrane function in gram-positive bacteria. Antibacterial. Daptomycin Impurity<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 N2-Acetyl Acyclovir Benzoate-d5 is the isotope labelled analog of N2-Acetyl Acyclovir Benzoate (A167975); a derivative of Acyclovir (A192400) which is an orally active acyclic nucleoside with inhibitory activity towards several herpes viruses. Also an antiviral.<br>References Collins, P., et al.: J. Antimicrob. Chemother., 5, 431 (1979); Matsumoto, H., et al.: Chem. Pharm. Bull., 36, 1153 (1988); Whitley, R.J., et al.: N. Engl. J. Med., 327, 782 (1992); Ashton, D.S., et al.: J. Chromatogr. A, 707, 367 (1995)<br></p>

<p>Impurity Beclomethasone Dipropionate EP Impurity I<br>Applications (16β)-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4,9(11)-triene-3,20-dione (Beclomethasone Dipropionate EP Impurity I) is an impurity of Beclomethasone (B131000), a glucocorticoid. Used in chronic asthma and allergic rhinitis. Antiallergic, antiasthmatic (inhalant). Anti-inflammatory (topical).<br>References Malfitan, V.A., et al.: Clin. Ther., 4, 472 (1982), Rao, M., et al.: J. Asthma, 19, 21 (1982), Small, P., et al.: Ann. Allergy, 49, 127 (1982), Brogden, R.N., et al.: Drugs, 28, 99 (1984),<br></p>

<p>Applications A neuronal nicotinic acetylcholine receptor agonist. A CNS stimulant.<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 Damaj, M.I., et al.: J. Pharmacol. Exp. Ther., 282, 410 (1997), Toth, P.T., et al.: Eur. J. Pharmacol., 363, 75 (1998), Flammia, D., et al.: J. Med. Chem., 42, 3726 (1999), Dwoskin, P.A., et al.: Biochem. Pharmacol., 63, 89 (2002),<br></p>

<p>Applications Ritonavir O-Sulfate is a metabolite of Ritonavir (R535000); a selective HIV protease 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), Harrigan, P., et al.: J. Infect. Dis., 191, 339 (2005); Miller, J., et al.: Bioorg. Med. Chem. Lett., 16, 1788(2006); Denissen, J.F., et al.: Drug Metab. Dispos., 25, 489 (1997)<br></p>

<p>Stability Temperature Sensitive<br>Applications It is used in efficient synthesis of 1β-O-acyl glucuronides via regioselective acylation of allyl or benzyl D-glucuronate.Αcyl glucuronides are known metabolites of important drugs.<br>References Kaspersen, F., et al.: Xenobiotica, 17, 1451 (1987), Ebner, T., et al.: Drug Metab. Dispos., 27, 1143 (1999), Shipkova, M., et al.: Ther. Drug Monit., 25, 1 (2003), Stachulski, A., et al.: J. Med. Chem., 49, 6931 (2006),<br></p>

<p>Applications An intermediate in the synthesis of Epothilones. Epothilones are polyketide natural products that inhibit cancer cells by a mechanism similar to paclitaxel, and also are effective against paclitaxel-resistant tumours. Epothilone D is in phase I clinical testing of in patients with advanced solid tumours. Epothilone D is a cytotoxic macrolide that stabilises malignant cells' microtubules and arrests mitosis, a characteristic it shares with other epothilones. They bind to the same hepatic sites as does paclitaxel (Taxol) in a 1:1 stoichiometric ratio of a, b-tubulin heterodimers.<br>References Hoee, G., et al.: Pure Appl. Chem., 71, 11, 2019 (1999), Giannakakou, P., et al.: Proc. Natl. Acad. Sci. USA, 97, 2904 (2000)<br></p>

<p>Applications 17β-neriifolin could be considered a candidate for the treatment of hepatocellular carcinoma. It can also work as an inhibitor of hERG channel trafficking.<br>References Zhao, Q., et al.:Fitoterapia, 82, 735 (2011); Wang, L., et al.: J. Pharmacol. Exper. Ther., 320, 525 (2007)<br></p>

<p>Applications Chlorphentermine is an anorectic agent. Chlorphentermine is the 4-chloro derivative of the better known appetite suppressant Phentermine (P318830). Chlorphentermine is structurally related to amphetamine but is a relatively weak stimulant with little abuse potential.<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 Gylys, J.A. et al.: J. Pharmacol. Exp. Therap., 137, 365 (1962); Jun, H.W. et al.: Can. J. Pharmac. Sci., 4, 27 (1969); Luellmann, H. et al.: J. Pharm. Pharmacol., 25, 239 (1973);<br></p>

<p>Applications Atazanavir-8-(N-methoxycarbonyl)-L-tert-leucine Ester is an impurity of the drug Atazanavir (A790051). Atazanavir is a novel azapeptide HIV protease inhibitor (PI). Antiviral. Like other antiretrovirals, it is used to treat infection of human immunodeficiency virus (HIV). Newer research has been investigating the potential anticancer effects of atazanavir<br>References Palella, F.J. Jr., et al.: N. Engl. J. Med., 338(13), 853 (1998), Nolan, D., et al.: Drugs, 63(23), 2555 (2003), Musial, B.L., et al.: Am. J. Health Syst. Pharm., 61, 1365 (2004), Wood, R., et al.: J. Acquir. Immune Defic. Syndr., 36, 684 (2004),<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>

<p>Applications Terbufos is used as an organophosphorus insecticide and nematicide (1,2). May induce apoptosis with reactive oxygen species present.Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.<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 1. Fillion J. et al.: J AOAC Int. 2000 May-Jun;83(3):698-713. 2. Kojima H. et al.: Environ Health Perspect. 2004 Apr;112(5):524-31.<br></p>

<p>Applications An intermediate for insecticide.<br>References Cole, L., et al.: Pestic. Biochem. Physiol., 46, 47 (1993), Cole, L., et al.: Life Sci., 56, 757 (1995), Hosie, A., et al.: Br. J. Pharmacol., 115, 909 (1995),<br></p>

<p>Applications Lorcainide Hydrochloride is an inhibitor of sodium voltage-gated channels. Effective anti-arrhythmic agents in patients.<br>References Lynch, J. J., et al.: J. Pharm. Exp. Ther., 273, 554-560 (1995); Heykants, J.: Int. Congr. Symp., 49, 35-39 (1981)<br></p>

<p>Applications 13-O-Methylamphotericin B is an antifungal. 13-O-Methylamphotericin B is a derivative of Amphotericin B (A634250), a polypeptide antibiotic active against gram positive bacteria. Antifungal.<br>References Taylor, A.W., et. al.: J. Antibiot., 46, 486 (1993); Asher, I.M., et al.: Anal. Profiles Drug Subs., 6, 1, (1977)<br></p>

<p>Applications N-tert-Butyl-3-isopropyl-5-oxo-4,5-dihydro-1H-1,2,4-triazole-1-carboxamide is a metabolite of Amicarbazone (A605040); a triazolinone herbicide with a broad spectrum of weed control.<br>References Dayan, F., et al.: Weed Science, 57, 579 (2009); Elmore, M., et al.: Weed Technol., 27, 596 (2013); Dong, M., et al.: J. Sep. Sci., 38, 2245 (2015)<br></p>

<p>Applications A labelled deschloro analogue of the selective dopamine uptake inhibior Bupropion (B689625) with antidepressant-like activity.<br>References Foley, K. et al.: Drug Dev. Res., 60, 252 (2003);<br></p>

<p>Impurity Valproic Acid USP Related Compound A<br>Applications Diallylacetic Acid (Valproic Acid USP Related Compound A), is a metabolite of Valproic Acid (V094750) as anticonvulsant agents. It can also be used for the synthesis of Velbanamine.<br>References Liu, H., et al.: Beilstein J. Org. Chem., 9, 983 (2013); Loscher, W., Prog. Neurobiol., 58, 31 (1999); Netzeva, T., et al.: Pharmac. Res., 17, 727 (2000);<br></p>

<p>Applications 6-Keto-testosterone Cypionate, is a derivative of Testosterone Cypionate (T155100), which is an anabolic steroid with androgenic properties. Testosterone Cypionate is also used for testosterone therapy in males with hypogonadism. (Controoled Substance)<br>References Rabkin, J.G. et al.: J. Clin. Psychopharmacol., 19, 19 (1999); Hajjar, R. et al.: J. Clin. Endocrinol. Metab., 82, 3793 (1997); Rhoden, E. et al.: J. Sex Med., 7, 277 (2010);<br></p>

<p>Applications A thienopyrimidine derivative as herbicides.<br>References Kourounakis, A., et al.: Drug Dev. Res., 2000, 49(4), 227 (2000),<br></p>

<p>Stability Hygroscopic, Moisture Sensitive<br>Applications 1-​[1-​(4-​Chlorobenzoyl)​-​5-​hydroxy-​2-​methyl-​1H-​indole-​3-​acetate]β-​D-​Glucopyranuronic Acid is an analog of Indomethacin Acyl-β-D-glucuronide a metabolite of Indomethacin (I641000). Acyl glucuronides have been implicated in the toxicity of many xenobiotics and marketed drugs.<br>References Abid, A., et al.: Biochem. Pharmacol., 50, 557 (1995), Gamage, N., et al.: Toxicol. Sci., 90, 5 (2006), Cerveny, L., et al.: Drug Metab. Dispos., 35, 1032 (2007), Hayeshi, R., et al.: Eur. J. Pharm. Sci., 35, 383 (2008),<br></p>

<p>Applications Phorate Oxon Sulfoxide is a major metabolite of Phorate (P353500), an inhibitor of acetylcholinesterase and pseudocholinesterase.<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 Boshoff, P.R., et al.: J. Agr. Food Chem., 27, 626 (1979),<br></p>