Toxicology

<p>Applications Mandestrobin is a novel fungicide having a methoxyacetamid structure. Mandestrobin also shows safer profiles for human health and the environment.<br>References Hirotomi, D., &amp; Kiguchi, S.: PCT Int. Appl., WO 2017026526 A1 20170216 (2017)<br></p>

<p>Applications N-(Carboxymethyl)amphetamine Hydrochloride is a synthetic amphetamine-class analyte with potential pharmaceutical properties.<br>References Seiler, N. et al.: Tetrahedron Lett., 38, 4603 (1966);<br></p>

<p>Applications Pyridaben is a pyridazinone derivative used as an insecticide and acaricide. In the European Union, Pyridaben has been authorized for use as an insecticide and acaricide from 1 May 2011. In Germany, Austria and Switzerland, no plant protection products containing this active substance are authorized. Pyridaben is a colorless solid that is practically insoluble in water. Useful in cannabis testing kits as a component of pesticide mixes (P698235).<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 Wadleigh, R., et al.: J. Chem. Ecol.,14, 1279 (1988), Hirata, K., et al.: J. Pestic. Sci., 20, 177 (1995), Chen, F., et al.: J. Entomol. Sci., 42, 296 (2007),<br></p>

<p>Applications 16alpha-Hydroxy-17beta-estradiol-2,4-d2 (CAS# 53866-32-3) is a useful isotopically labeled research compound.<br></p>

<p>Stability Unstable in Methanol<br>Applications Tadalafil is used for the treatment of erectile dysfunction. A phosphodiesterase 5 inhibitor.<br>References Carrier, S., et al.: Can. J. Urol., 10(1), 12 (2003), Doggrell, S.A., et al.: Expert Opin. Pharmacother., 6, 75 (2005), Forgue, S.T., et al.: Br. J. Clin. Pharmacol., 61, 280 (2005),<br></p>

<p>Applications Methionine sulfoximine inhibits both glutamine synthetase and g-glutamylcysteine synthetase. Working concentrations for inhibition of g-glutamylcysteine synthetase are 0.2-2.0 mM (52% inhibition occured at 100 mM).Methionine sulfoximine is also a toxic byproduct of nitrogen trichloride, a compound that was used to bleach unprocessed wheat flour prior to 1968. The compound has been investigated as a potential neurotoxin linked to diseases such as amyotrophic lateral sclerosis (ALS) and Parkinson’s disease.<br>References Griffith, O.W., and Meister, A.: J. Biol. Chem. 254, 7558 (1979), Willard-Mack, C.L., et al: Neuroscience, 71, 2, 589 (1996)<br></p>

<p>Applications 1-Chloro-4-(chlorophenylmethyl)benzene is used in the synthesis of novel benzhydrylpiperazine derivatives as cytotoxic compounds in the treatment of various cancers.<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 Gurdal, E. et al.: Drug Res., 63, 121 (2013); Yarim, M. et al.: Int. J. Mol. Sci., 13, 8071 (2013);<br></p>

<p>Applications N-(Propyl(2-(2,4,6-trichlorophenoxy)ethyl)carbamoyl)formamide is a Prochloraz (P755280) metabolite.<br>References Needham, D., Challis, I.R.: Xenobiotica, 21, 1473 (1991); Debrauwer, L., et. al.: J. Agr. Food Chem., 49, 3821 (2001)<br></p>

<p>Applications Anti-inflammatory.<br>References Carson, et al.: J. Med. Chem., 14, 646 (1971), Wong, S., et al.: J. Pharmacol. Exp. Ther., 185, 127 (1973), Brogden, R.N., et al.: Drugs, 15, 429 (1978),<br></p>

<p>Applications 2,3,5-Trichloropyridin-4-amine (cas# 28443-69-8) is a useful research chemical.<br></p>

<p>Applications A metabolite of Chlorpyrifos (C425300).<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 Barron, M.G., et al.: Environ. Toxicol. Chem., 12, 1469 (1993), Tang, J., et al.: Drug Metab. Dispos., 29, 1201 (2001),<br></p>

<p>Applications Hexachlorobenzene is a fungicide that was formerly used as a seed treatment especially on wheat to control the fungal disease bunt.<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 Munoz, E. et al.: J. AOAC. Int., 95, 1777 (2012)<br></p>

<p>Applications Isoxaflutole is an pesticide used to selectively control both grass and broad-leaved weeds in maize and sugar cane. Isoxaflutole is known to work by inhibiting the enzyme 4-Hydroxyphenylpyruvate dioxygenase (HPPD) which results in the disruption of pigment biosynthesis.<br>References Fillosls, E.F., et al.: Int. Sugar. J., 115, 135 (2013); Laini, A., et al.: Sci. Total. Environ., 438, 312 (2012);<br></p>

<p>Applications Morphine is the principle alkaloid of opium.<br>References Buchwald, M.E., et al.: J. Pharmacol. Exp. Ther., 71, 197 (1941); Muhtadi, F.J., et al.: Anal. Profiles Drug Subs., 17, 259 (1988);<br></p>

<p>Applications Herbicide safener.<br>References Lee, H., et al.: Eur. J. Med. Chem., 40, 862 (2005), Wright, S., et al.: Bioorg. Med. Chem. Lett., 17, 5638 (2007), Brazier-Hicks, M., et al.: J. Biol. Chem., 283, 21102 (2008), Vinggaard, A., et al.: Chem. Res. Toxicol., 21, 813 (2008),<br></p>

<p>Applications The methylated analogue of Isobutyryl L-Carnitine (I780500). 2-Methylbutyryl-L-Carnitine is one of the acylcarnitines profiled from blood or plasma samples in the diagnosis of inborn errors of metabolism.<br>References Rashed, M.S. et al.: Pediat. Res., 38, 324 (1995); Frazier, D.M. et al.: J. Inher. Metab. Dis., 29, 76 (2006);<br></p>

<p>Applications Auxin-type herbicide.<br>References Ecker, J., et al.: Science, 268, 667 (1995), Grossmann, K., et al.: Pestic. Sci., 52, 111 (1998), Martin, P., et al.: Environ. Toxicol. Chem. 19, 2987 (2000), Grossmann, K., et al.: J. Exp. Bot., 52, 1811 (2001), van Eerd, L., et al.: Weed Res., 44, 355 (2004),<br></p>

<p>Applications Triphenyltin Acetate is an organotin compound. Triphenyltin Acetate much like its hydroxide analogue is used as a fungicide and antifeeding compound for insect control. Recent studies show that Triphenyltin Acetate may have adverse effects on the reproductive and immune systems and may disrupt the endocrine system.<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 Soderquist, J.S. et al.: J. Agric. Food Chem., 28, 111 (1980); J. Toxicol. Environ. Health, 7, 281 (2004); Livingston, J.M. et al.: J. Georgia Entamol. Soc., 13, 148 (1978); Sarpa, M. et al.: J. Toxicol. Environ. Health, 73, 965 (2010);<br></p>

<p>Applications Celecoxib-d7 is the labeled analogue of Celecoxib (C251000), a selective cyclooxygenase-2 (COX-2) inhibitor. Anti-inflammatory. Used in treatment of familial adenomatous polyposis.<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 Simon, L.S., et al.: Arthritis Rheum., 41, 1591 (1998); Silverstein, F.E., et al.: J. Am. Med. Assoc., 284, 1247 (2000); Steinbach, G., et al.: N. Engl. J. Med., 342, 1946 (2000)<br></p>

<p>Applications Zineb is a fungicide that is a potential contaminant in food and has been under biological studies to evaluate the adverse effect and toxicity of low doses on thyroid function in male rat.<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 Nebbia, C., et al.: Bull. Environ. Contam. Toxicol., 56, 847 (1996)<br></p>

<p>Applications Cefodizime is a third generation cephalosporin with a broad spectrum of antibacterial activity. Cefodizime maybe useful in the treatment of otitis media, sinusitis and gynaecological infections, and for the prophylaxis or treatment of surgical infections.<br>References Barradel, L.B. et al.: Drugs, 44, 800 (1992); Kasai, K. et al.: Jap. J. Antibiot., 37, 1306 (1984);<br></p>

<p>Impurity Abacavir - In House Impurity<br>Applications Abacavir Sulfate (Abacavir - In House Impurity) 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>References (1) Jackson, A., et al.: Antivir Ther. 17, 19 (2012) (2) Yuen, G. J., et al.: Clin Pharmacokinet. 47, 351 (2008)<br></p>

<p>Stability Unstable in Solution<br>Applications Sulfosulfuron is used in the synthetic preparation of herbicidal mixed compositions containing 2-chloro-3-(methylsulfanyl)-N-(1-methyl-1H-tetrazol-5-yl)-4-(trifluoromethyl)benzamide or its salt towards weed control.<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 Lorentz, L.; et al.: PCT Int. Appl. 340pp. Patent 2017 CODEN:PIXXD2<br></p>

<p>Applications (±)-Sibutramine is a serotonin and noradrenaline reuptake inhibitor (SNR). Decreases calorie intake and increases energy expenditure.<br>References Hanotin, C., et al.: Int. J. Obesity, 22, 32 (1998)<br></p>

<p>Applications Polythiazide is a thiazide diuretic. Polythiazide is used in the treatment of hypertension as well as nephrotic syndrome, cirrhosis of the liver, and nutritional edema.<br>References Kaur, J. et al.: J. Ind. Med. Assoc., 48, 13, (1967); Lund-Johansen, P.: Acta Med. Scand., 187, 509 (1970); O'Brien, E.T. et al.: Br. Heart J., 34, 1042 (1972);<br></p>

<p>Impurity Hydrocortisone Acetate EP Impurity E<br>Applications Anecortave (Hydrocortisone Acetate EP Impurity E) is an angiostatic steroid. Used in treatment of macular degeneration.<br>References Clark, A.F., et al.: Expert Opin. Invest. Drugs, 6, 1867 (1997), Slakter, J.S., et al.: Ophthalmology 110, 2372 (2003),<br></p>

<p>Applications Florasulam is a triazolopyrimidine sulfonamide compound that is used as a post emergence herbicide. Florasulam is often used to control dandelion populations in wheat fields.<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 Krieger, M., et al.: J. Agr. Food Chem., 48, 3710 (2000); Li, Z., et al.: Bull. Environ. Cont. Toxicol., 90, 280 (2013)<br></p>

<p>Applications Perindoprilat-d4 is the isotope labelled analog of Perindoprilat (P287531); an angiotensin-converting enzyme (ACE) inhibitor and antihypertensive.<br>References Pascard, C., et al.: J. Med. Chem., 34, 663 (1991)<br></p>

<p>Applications A fat-metabolism stimulator. Antioxidant.<br>References Plotzker, R., et al.: Am. J. Med. Sci., 283, 79 (1982), Evans, J., et al.: Diabetes Technol. Ther., 2, 401 (2000), Konrad, D., et al.: Diabetes, 50, 1464 (2001), Lockhart, B., et al.: Brain Res., 855, 292 (2000),<br></p>

<p>Applications An antihypertensive, with affinity for multiple GPCR receptors.<br>References Zhu, Y., et al.: Biol. Pharm. Bull., 32, 1173 (2009), Shen, K., et al.: J. Pharm. Pharmacol., 61, 517 (2009), Brea, J., et al.: Mol. Pharmacol., 75, 1380 (2009), Varma, M., et al.: J. Med. Chem., 52, 4844 (2009),<br></p>

<p>Applications Cabotegravir O-β-D-Glucuronide is a metabolite of Cabotegravir (C050100), a long acting HIV-1 integrase inhibitor with action against a broad range of HIV subtypes.<br>References Yoshinaga, T. et al.: Antimicrob, Agents Chemother., 59, 397 (2015); Andrews, C. et al.: Sci. Transl. Med., 7, 270 (2015)<br></p>

<p>Applications Creatine-(methyl-d3) Monohydrate is an isotopic analog of Creatine Monohydrate (6020-87-7), which is a nitrogenous organic acid that occurs naturally in vertebrates. Its main role is to facilitate recycling of Adenosine Triphosphate (ATP), the energy currency of the cell, primarily in muscle and brain tissue.<br>References Barcelos, R.P., et al.: Mini Rev Med Chem., 16, 12-8 (2016)<br></p>

<p>Applications Diagnostic aid (radiopaque medium).<br>References Bourrinet, P., et al.: Invest. Radiol., 29, 1057 (1994), Donadieu, A.-M., et al.: Acta Radiol., 37, 400 (1996),<br></p>

<p>Applications Quinolone antibacterial. This compound is a contaminant of emerging concern (CECs).<br>References DiCarlo, et al.: Arch. Biochem. Biophys., 127, 503 (1968), Crew, et al.: Xenobiotica, 1, 193 (1971), Wright, H.T., et al.: Science, 213, 455 (1981),<br></p>

<p>Applications Gliftor is a rodenticide.<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 Menon, K., et al.: J. Biochem. Mol. Toxicol., 15, 47 (2001); Xie, W., et al.: J. Hygiene Res. 31, 316 (2002)<br></p>

<p>Applications Used in the preparation of 2-Aminodihydro[1,3]thiazines as BACE 2 inhibitors and their preparation and use in the treatment of diabetes.<br>References Denny, W., et al.: J. Med. Chem., 33, 814 (1990), Maurya, M., et al.: J. Chem. Res., 446 (1998),<br></p>

<p>Stability Unstable in Protic Solvent<br>Applications Cefalonium is a first-generation cephalosporin antibiotic used as a long-acting intramammary cerate for infusion of dairy cows.<br>References Endo, T.: Kach. Kokin. Kenk., 12, 8 (1991); Berry, E.A. et al.: J. Dairy Sci., 90, 760 (2007); Bradley, A.J. et al.: J. Dairy Sci., 93, 1566 (2010);<br></p>

<p>Stability Light Sensitive<br>Applications A labelled metabolite of Rifampicin.<br>References Blumenfeld,O.O., et al.: J. Biol. Chem., 236, 2472 (1961), Cowxan, R.A., et al.: Biochem. Biophys. Res. Commun, 23, 799 (1966)<br></p>

<p>Applications Prochloraz Manganese Chloride Complex can be used in biological study of pathogen identification of a new disease in Siraitia grosvenorii and screening of effective fungicides.<br>References Jiang, N., et al.: Zhiwu Baohu, 41, 173 (2015)<br></p>

<p>Applications trans-Abacavir Dihydrochloride is an impurity of Abacavir. Abacavir (A104990) 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>References (1) Jackson, A., et al.: Antivir Ther. 17, 19 (2012) (2) Yuen, G. J., et al.: Clin Pharmacokinet. 47, 351 (2008)<br></p>

<p>Applications Tebutam is used as herbicide and pesticide.<br></p>

<p>Stability Hygroscopic, Light Sensitive<br>Applications Rifabutin N-Oxide is a metabolite of Rifabutin (R505000) and like its parent compound it exhibits antibacterial activity.<br>References Medeiros, M., et al.: PCT Int. Appl., 44, (2004); 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 Clarithromycin EP Impurity I<br>Applications De(cladinosyl) Clarithromycin (Clarithromycin EP Impurity I) is an impurity of Clarithromycin (C559750). De(cladinosyl) Clarithromycin showed significantly potent antibacterial activity against community acquired respiratory pathogens.<br>References Morimoto, S., et al.: J. Antibiot., 37, 187 (1984), Buxbaum, A., et al.: J. Antimicrob. Chemother., 52, 371 (2003), Westphal, J., et al.: Br. J. Clin. Pharmacol., 50, 285 (2000), Ma, Z., et al.: J. Med. Chem., 44, 4137 (2001),<br></p>

<p>Applications Picolinafen-d4 is deuterium labelled Picolinafen (P436800), a pesticide. It is a molecule for selective post emergence weed control in wheat and barley.<br>References Wang, J., et al.: Anal. Bioanal. Chem., 396, 1513 (2010); Sinclair, C., et al.: Environ. Sci. Technol., 40, 7283 (2006); Magnani, D., et al.: Atti, Giornate fitopatologiche, Perugia, 2, 405 (2000)<br></p>