Toxicology

<p>Applications Nithiazine is a useful building block and insecticide.<br>References Quaranta, L.; et al.: WO 2018149851 (2018).<br></p>

<p>Applications Spiromesifen is a useful insecticide and miticide in plant breeding. Also useful in cannabis testing kits as a component of pesticide mixes (P698240).<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>Stability Hygroscopic, Light Sensitive<br>Applications Dopamine (D1 and D2) receptor agonist. Emetic. Antiparkinsonian.<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 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>Stability Hygroscopic<br>Applications Anorexic.<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 Pinder, et al.: Drugs, 10, 241 (1975), Caccia, S., et al.: Eur. J. Clin. Pharmacol., 29, 221 (1985), Finner, N., et al.: Curr. Ther. Res., 38, 847 (1985),<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>Stability Very Hygroscopic<br>Applications The major metabolite of herbicidal Glufosinate (G596950).<br></p>

<p>Applications Isotope labelled 24 Bisphenol S (B519620) is a material used in thermal printing. 24 Bisphenol S is also used in the development of black leuco dyes.<br>References Shima, H. et al.: J. Imag. Sci. Technol., 54, 020502 (2010)<br></p>

<p>Applications (S)-Naproxen-d3 is the labeled analogue of (S)-Naproxen (N377520), an anti-inflammatory, analgesic, antipyretic. A non-steroidal anti-inflammatory.<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 Harrison, I.T., et al.: J. Med. Chem., 13, 203 (1970)<br></p>

<p>Applications Enrofloxacin-d5 is a labelled fluorinated quinolone antibacterial.<br>References Altreuther, P., et al.: Vet. Med. Rev., 2, 87 (1987),<br></p>

<p>Impurity Chlorhexidine Diacetate EP Impurity C<br>Applications An impurity standard for Chlorhexidine.<br></p>

<p>Impurity Azithromycin EP Impurity F / USP Azithromycin Related Compound F<br>Stability Hygroscopic<br>Applications Azithromycin impurity.<br>References Kirst, H., et al.: Antimicrob. Agents Chemother., 33, 1419 (1989), Fouda, H., et al.: Ther. Drug Monit., 17, 179 (1995), Gandhi, R., et al.: J. Pharm. Biomed. Anal., 23, 1073 (2000),<br></p>

<p>Applications Labelled (R)-Cetirizine (C281100). A nonsedating type histamine H1-receptor antagonist. A major metabolite of Hydroxyzine. Pharmacological activity resides primarily in the (R)-isomer. Antihystaminic.<br>References De Vos, C., et al.: Ann. Allergy, 59, 278 (1987), Juhlin, L., et al.: J. Allergy Clin. Immunol., 80, 599 (1987), Fadel, R., et al.: Clin. Allergy, 17, 373 (1987), Gengo, F.M., et al.: Clin. Pharmacol. Ther., 42, 265 (1987)<br></p>

<p>Applications Hydroxy Atrazine is a major metabolite of Atrazine (A794600).<br>References Thurman, E., et al.: Environ. Sci. Technol., 26, 2440 (1992), Evgenidou, E., et al.: J. Agric. Food Chem., 50, 6423 (2002), Namiesnik, J., et al.: Anal. Bioanal. Chem., 381, 279 (2005), Hultgren, S., et al.: Anal. Bioanal. Chem., 393, 929 (2009),<br></p>

<p>Stability Very Hygroscopic<br>Applications Mildronate-d3 is the labeled analogue of Mildronate (M344450), a novel pharmaceutical composition based on a reverse transcriptase inhibitor and meldonium. May contain a significant amount of water.<br></p>

<p>Applications Isotope labelled Ivermectin, is the labeled analogue of Ivermectin (I940800), which is a semi-synthetic derivative of Abamectin; consists of a mixture of not less than 80% component B1a and not more than 20% component B1b. Antihelmintic (Onchocerca). An invitro inhibitor of SARS-CoV-2/ Covid-19.<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 Chabala, J.C., et al.: J. Med. Chem., 23, 1134 (1980), Campbell, W.C., et al.: Science, 221, 823 (1983), Bennett, J.L., et al.: Parasitol. Today, 4, 226 (1988), Plaisier, A.P., et al.: J. Infect. Dis., 172, 204 (1995), ; Caly, L., et al.: Antivir. Res., 178<br></p>

<p>Applications Diphacinone-d4 (indanedione-4,5,6,7-d4) (CAS# 1219802-15-9) is a useful isotopically labelled version of Diphacinone (D486960(M)), which is an anticoagulant rodenticide widely used to control rodent infestations.<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 Eason, C., et al.: Ecotoxicology, 11, 35 (2002), Hegdal, P., et al.: Environ. Toxicol. Chem., 7, 245 (1988), Stone, W., et al.: Environ. Contam. Tox., 70, 34 (2003)<br></p>

<p>Stability Light Sensitive, Temperature Sensitive<br>Applications An isotopically Labelled analog of retinoic acid. Physiological metabolite of vitamin A. Effects gene expression via nuclear retinoic acid receptors (RAR); mediates cellular growth and differentiation.A representative lot contains 11% d4, no d0 or d1 present.<br>References Kamm, J.J., et al.: J. Am. Acad. Dermatol., 6, 652 (1982), Warrel, R.P., et al.: Leukemia, 8, 929 (1994), Sasai, Y., et al.: J. Neurol., 249, 41 (2002),<br></p>

<p>Applications o-Isopropoxyphenol is used in the synthesis of α1-adrenoreceptor antagonist activity of tamsulosin analogues. Also used in the preparation of 5-HT1A receptor agonists.<br>References Sagratini, G. et al.: Eur. J. Med. Chem., 45, 5800 (2010); Franchini, S. et al.: Bioorg. Med. Chem. Lett., 2017 (2010);<br></p>

<p>Applications DEET is an Insect repellent.This compound is a contaminant of emerging concern (CECs).<br>References Gilbert, I.H., et al.: J. Econ. Entomol., 48, 741 (1955), Ambrose, A.M., et al.: Toxicol. Appl. Pharmacol., 1, 97 (1959), Blomquist, L., Acta Pharmacol. Toxicol., 41, 235 (1977), Yeung, J.M., et al.: Drug Metab. Dispos., 16, 600 (1988),<br></p>

<p>Applications Selective inhibitor of phosphodiesterase V (PDE 5); potent coronary vasodilator drug; adenosine transport inhibitor; inhibitor of platelet aggregation.A representative lot was: 36% d20; 25% d19; 13%d18; 24% d17; 1% d16.<br>References Buchalter, M.B., et al.: Postgrad. Med. J., 66, 531 (1990), Sundaram, M., et al.: J. Biol. Chem., 273, 21519 (1998), Denis, D., et al.: Eur. J. Pharmacol., 367, 343 (1999),<br></p>

<p>Applications Pyflubumide is an acaricide used in the control of phytophagous mites.<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 Zhang, Y.: Shijie Nongyao, 38, 15 (2016), Furuya, T., et al.: J. Pest. Sci. , 40, 38 (2015), Van L., et al.: Pest. Biochem. Physiol., 121, 12 (2015)<br></p>

<p>Applications Colestilan, is a copolymer of 2-methyl-1H-imidazole and epichlorohydrin, and a bile acid sequestrans, that can be used for the treatment of hypercholesterolemia and dyslipidemia.<br>References Handelsman, Y., et al.: Diabetes Care, 34, S244 (2011);<br></p>

<p>Applications Potent, selective inducer of phase II detoxification enzymes with anticarcinogenic properties. Occurs naturally in broccoli. It was found to inhibit chemically induced mammary tumor formation in rats. Antitumor agent.<br>References Zhang, Y., et al.: Proc. Natl. Acad. Sci. USA, 89, 2399 (1992), Shikita, M., et al.: Biochem. J., 341, 725 (1999), Wittich, S., et al.: J. Med. Chem., 45, 3296 (2002), Lee, J., et al.: Cancer Lett., 224, 171 (2005),<br></p>

<p>Applications 1,2,4,5-Tetrachloro-3-nitrobenzene, is a metabolite of pentachloronitrobenzene (P237990), used as fungicide, and pesticide.<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 Renner, G., et al.: Appl. Envi. Miroc., 46, 465 (1983);<br></p>

<p>Stability Hygroscopic<br>Applications A labelled metabolite of Mycophenolic Acid, an antibiotic produced by Penicillium brevi-compactum, P. Stoloniferum and related spp. A selective inhibitor of lymphocyte proliferation by blocking inosine monophosphate dehydrogenase, an enzyme involved in the de novo synthesis of purine nucleotides.<br>References Senda, M., et al.: Transplantation, 60, 1143 (1995), Nimmesgern, E., et al.: J. Biol. Chem., 271, 19421 (1996), Gummert, J.F., et al.: J. Pharmacol. Exp. Ther., 291, 1100 (1999),<br></p>

<p>Applications Labelled Astemizole. Nonsedating-type histamine H1-receptor antagonist. Potential for combination therapy with antivancer drugs such as doxorubicin in resistant leukemia. Antihistaminic.<br>References Wauquier, A., et al.: Eur. J. Pharmacol., 72, 245 (1981), Laduron, P.M., et al.: Mol. Pharmacol., 21, 294 (1982), Richards, D.M., et al.: Drugs, 28, 38 (1984), Al-Obaid, A.M., et al.: Anal. Profiles Drug Subs., 20, 173 (1991), Ishikawa, M., et al.: Biol. Pharm. Bull., 23, 112 (2000),<br></p>

<p>Applications Dolutegravir is a second generation HIV-1 integrase strand transfer inhibitor. Dolutegravir is currently in Phase III clinical trials for the treatment of HIV infection. Dolutegravir has been shown to potently inhibit HIV replication in cells such as peripheral blood mononuclear cells (PBMCs), MT-4 cells and CIP4 cells infected with a self-inactivating PHIV lentiviral vector.<br>References Kobayashi, M. et al. Antimicrob Agents Chemother., 55, 813 (2011); Garrido, C. et al.: Antiviral, Res., 90, 164 (2011); Lenz, J.C.C. et al.: Exp. Opin. Invest. Drugs, 20, 537 (2011)<br></p>

<p>Applications Potassium channel blocker.<br>References Carmeliet, D., et al.: J. Pharmacol. Exp. Ther., 262, 809 (1992), Norgaard, B.L., et al.: Am. Heart J., 137, 1062 (1999), Torp-Pedersen, C., et al.: N. Engl. J. Med. 341, 857 (1999)<br></p>

<p>Applications A metabolite of Fenthion (FEN).<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 Buratti, F., et al.: Toxicol. Lett., 167, 245 (2006), Buratti, F., et al.: Drug Metab. Dispos., 33, 295 (2005), Buratti, F., et al.: Toxicology, 241, 33 (2007),<br></p>

<p>Applications Strobilurin fungicide; inhibits mitochondrial respiration by blocking electron transfer between cytochromes b and c1. Agricultural fungicide. Used in Pesticide detection. Useful in cannabis testing kits as a component of pesticide mixes (P698240).<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 Smalling, K., et al.: Environ. Toxicol. Chem., 29, 2593 (2010), Lu, X., et al.: Phytopathol., 100, 1162 (2010), Schafer, R., et al.: Environ. Sci. Technol., 45, 1665 (2011),<br></p>

<p>Applications Mezlocillin Sodium is an antibacterial agent. Penicillin antibiotic effective against gram negative and gram positive bacteria.<br>References Sanders, C. et al.: J. Antimicrob. Chemother., 9, 15 (1982); Gasca, M. et al.: Am. J. Hosp. Pharm., 44, 574 (1987);<br></p>

<p>Applications Dicofol-D8 is the deuterated analogue of Dicofol (D436700), which is an organochlorine pesticide. Dicofol is a non-systemic acaricide/miticide registered in the US and Canada for use on a wide variety of 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 Zhang, X., et al.: J. Agric. Food Chem., 58, 11553 (2010); Kamata, R., et al.: Environ. Toxicol. Chem., 29, 2316 (2010); Kolberg, D., et al.: Food Chem., 125, 1436 (2011);<br></p>

<p>Applications 2-Hydroxypropoxy-Propoxycarbazone is a hydroxylated metabolite of Propoxycarbazone (P831308).<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 Vargas-Pere, M., et al.; Food Chemistry., 274, 429-433 (2019)<br></p>

<p>Applications Oseltamivir Namino-fructosyl Conjugate is derived from Oseltamivir Phosphate (O701000), which is an orally active inhibitor of influenza virus neuraminidase; converted in vivo to the active acid metabolite. An antiviral drug. 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)<br></p>

<p>Applications A major product formed from the photochemical reaction of Dextromethorphan (D299455) after light or sunlight exposure.<br>References Halstead, G.W., et al.: J. Pharm. Sci., 71, 1108 (1982), Koeppel, C., et al.: Arzneim.-Forsch., 37, 1304 (1987),<br></p>

<p>Applications Metolachlor is an acyanilide herbicide similar to selective pre-emergence herbicides (1). It is a contaminant in the groundwater and potential pollutant (2). This compound is a contaminant of emerging concern (CECs). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<br>References 1. McGahen, L. et al.: J. Agric. Food Chem. 1978 26 (2), pp 414–4192. Chesters, G. et al.: Rev. Environ Contam Toxicol. 1989;110:1-74.<br></p>

<p>Applications Carboxyformamido Metazachlor Benzoic Acid is a metabolite of Metazachlor (M225855) which is a chloroacetanilide herbicide used on vegetable crops.<br>References Hollender, J., et al.: Environ. Sci. Technol., 43, 7862 (2009); Dresen, S., et al.: Anal. Bioanal. Chem., 396, 2425 (2010); Liu, B., et al.: J. Agric. Food Chem., 58, 2673 (2010);<br></p>