Toxicology

<p>Applications Carvedilol (C184625) derivative.<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 A metabolite of Acepromazine (A130900).<br>References Cossum, P., et al.: Drug Dispos., 9, 321 (1988), Stowell, L., et al.: J. Anal. Toxicol., 22, 166 (1998),<br></p>

<p>Applications A labelled metabolite of Spironolactone.<br>References Gochman, N., et al.: J. Pharmacol. Exp. Ther., 135, 312 (1962), Tori, K., et al.: Steroids, 4, 713 (1964), Solymoss, B., et al.: Toxicol. Appli. Pharmacol., 18, 586 (1971),<br></p>

<p>Applications Bromantane is an adamantane derivative used as an anxiolytic agent.<br>References Reznikov, A., et al.: Endokrinologie, 73, 11 (1979), Grekhova, T., et al.: Bull. Eksp. Biol. Med., 119, 302 (1995),<br></p>

<p>Applications Labelled Amlodipine (A633495). A dihydropyridine calcium channel blocker; activity resides mainly in the (-)-isomer.<br>References Arrowsmith, J.E., et al.: J. Med. Chem., 29, 1696 (1986), Burges, R.A., et al.: J. Cardiovasc. Pharmacol., 9, 110 (1987), Haria, M., et al.: Drugs, 50, 560 (1995),<br></p>

<p>Applications Bromfenac is a non-steroidal anti-inflammatory agent.<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 Obach, R., et al.: Drug Metab. Disposition, 36, 1385 (2008), MacDonald, J., et al.: Toxicol. Sci., 110, 40 (2009), Varma, M., et al.: J. Med. Chem., 52, 4844 (2009),<br></p>

<p>Impurity Ipratropium EP Impurity E<br>Applications N-Isopropyl Noratropine is a Noratropine derivative, an intermediate in the production of Ipratropium.<br>References Simms, P., et al.: J. Pharm. Biomed. Anal., 17, 841 (1998),<br></p>

<p>Applications Labelled 7α-Hydroxy-4-cholesten-3-one (H825130). 7α-Hydroxy-4-cholesten-3-one is a metabolite of Cholesterol (C432501).<br>References Connor, W., et al.: J, Clin. Invest., 48, 1363 (1969),<br></p>

<p>Applications A metabolite of Quinidine.<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>Stability Light Sensitive<br>Applications β-Cembrenediol is an inhibitor of tumor promotion. Novel c-Met inhibitors which are used in anticancer treatments.<br>References Le-Huu, P. et al.: ChemCatChem., 8, 3755 (2016); Ebrahim, H. et al.: Bioorg. Med. Chem., 24, 5748 (2016);<br></p>

<p>Stability Hygroscopic, Light Sensitive, Temperature Sensitive<br>Applications Fluvastatin 3-Hydroxy-4,6-diene Sodium Salt is a metabolite of Fluvastatin (F601250), a synthetic HMG-CoA reductase inhibitor. Antilipemic.<br>References Yuan, J., et al.: Atherosclerosis, 87, 147 (1991), Tse, F.L.S., et al.: J. Clin. Pharmacol., 32, 630 (1992), Dain, J.G., et al.: Drug Metab. Disposit., 21, 567 (1993),<br></p>

<p>Applications Methyltriphenylphosphonium Bromide is a lipophilic molecule with a cation allowing for it to be used to deliver molecules to specific cell components. Also considered an antineoplastic agent.<br>References Selassie, C.D. et al.: J. Med. Chem., 33, 1914 (1990); Venkatachalam, M.A et al.: Kidney Int., 49, 449 (1996);<br></p>

<p>Stability Hygroscopic<br>Applications A metabolite of Equilin (E592800).<br>References Enmark, E., et al.: J. Clin. Endocrinol. Metab., 82, 4258 (1997), Wang, Z., et al.: J. Med. Chem., 43, 2419 (2000), Jiang, X., et al.: Steroids, 71, 334 (2006),<br></p>

<p>Applications Cyclofenil is a weak nonsteroidal estrogen with ovulation induction properties. Mammalian hormone.<br>References Miquel, et al.: J. Med. Chem., 6, 774 (1963),<br></p>

<p>Impurity Fulvestrant EP Impurity B<br>Applications A metabolite of Fulvestrant (F862500).<br>References Rao, P., et al.: J. Steroid Biochem., 25, 417 (1986), Wakeling, A., et al.: J. Steroid Biochem. Mol. Biol., 43, 173 (1992), DeFriend, D., et al.: Cancer Res., 54, 408 (1994),<br></p>

<p>Applications 4-Hydroxy Estradiol 1-N7-Guanine is an estrogen metabolite formed with DNA which can lead to the mutations that initiate breast, prostate, and other types of cancer. Estrogen-DNA depurinating adducts as biomarkers of cancer risk and their use in cancer detection and prevention.<br>References Chakravarti, D., et al.: Mutat. Res., 456, 17 (2000), Liehr, J., et al.: Endocr. Rev., 21, 4054 (2000), Chakravarti, D., et al.: Oncogene, 20, 7945 (2001), Cavalieri, E., et al.: Chem. Res. Toxicol., 14, 1041 (2002),<br></p>

<p>Applications A metabolite of Mianserin.<br>References Begg, E., et al.: Br. J. Clin. Pharmacol., 27, 445 (1989), Tybring, G., et al.: Ther. Drug Monit., 17, 516 (1995), Namera, A., et al.: J. Anal. Toxicol. 22, 396 (1998), van Nederkassel, A., et al.: J. Pharm. Biomed. Anal., 32, 233 (2003),<br></p>

<p>Impurity Ezetimibe Tetrahydropyran Impurity<br>Applications Ezetimibe (E975000) tetrahydropyran impurity.<br></p>

<p>Applications A metabolite of Desoxymetasone (D296970).<br>References Schriks, M., et al.: Environ. Sci. Technol., 44, 4766 (2010), Baeck, M., et al.: Eur. J. Dermatol., 20, 102 (2010), Lee, P., et al.: Bioorg. Med. Chem. Lett., 20, 69 (2010),<br></p>

<p>Applications A new Sildenafil (S435000) analogue.<br>References Balayssac, S., et al.: J. Pharm. Biomed. Anal., 50, 602 (2009),<br></p>

<p>Applications Protected Atorvastatin.<br></p>

<p>Impurity Rosuvastatin EP Impurity G<br>Stability Hygroscopic<br>Applications ent-Rosuvastatin is an enantiomer of Rosuvastatin (R700500), an impurity which acts as a selective, competitive HMG-CoA reductase inhibitor (1). Antilipemic (2,3).<br>References 1. Watanabe, M. et al.: Bioorg. Med. Chem. 1997 Feb;5(2):437-44.2. Lee, E. et al.: Clin. Pharmacol. Ther. 2005 Oct;78(4):330-41.3. Ferdinand, C. et al.: Am. J. Cardiol. 2006 Jan 15;97(2):229-35.<br></p>

<p>Applications A metabolite of Eplerenone. Used in combination therapy for treatment of cardiovascular disorders.<br>References Staessen, J., et al.: J. Endocrinol., 91, 457 (1981), de Gasparo, M., et al.: J. Pharmacol. Exp. Ther., 240, 650 (1987), MacFadyen, R., et al.: Cardiovasc. Res., 35, 30 (1997),<br></p>

<p>Applications Quinethazone is a thiazide diuretic used to treat hypertension.<br>References DeLuca, F.M.: Sett. Med., 54, 747 (1966); Dettli, L. et al.: Ann. N.Y. Acad. Sci., 139, 471 (1966);<br></p>

<p>Applications An oxidative product of the drug Norethindrone (N676000). Norethindrone impurity.<br>References Reif, V., et al.: Pharmaceutical Res., 4, 54 (1987), Rao, P., et al.: Steroids, 59, 621 (1994),<br></p>

<p>Stability Temperature Sensitive<br>Applications Anabolic steroid. Androgen.Controlled substance.<br>References Schanzer, W., et al.: Clin. Chem., 42, 1001 (1996), Kicman, A., et al.: Br. J. Pharmacol., 154, 502 (2008), Fragkaki, A., et al.: Steroids, 74, 172 (2009),<br></p>

<p>Applications Methyl Benzilate is a reactant in the synthesis of Trimethadione (T796155), an anticonvulsant and antiepileptic agent used in the treatment of pregnant women. Prenatal exposure to snti-epileptic drugs (AEDs) has indicated increased risk of major or minor congenital malformation.<br>References Pastore, V., et. al.: Bioorg. Med. Chem., 21, 841 (2013); Ahir, B. et al.: Toxicol. Vitro., 28, 948 (2014); Pastore, V. et al.: Bioorg. Med. Chem., 21, 841 (2013)<br></p>

<p>Applications ent-Lamivudine Triphosphate Triethylammonium Salt is a metabolite of Lamivudine (L172500), which is a potent nucleoside reverse transcriptase inhibitor. Antiviral. Lamivudine has been used for treatment of chronic hepatitis B.<br>References Burgess, K., et al.: Chem. Rev., 100, 2047 (2000), Gallois-Montbrun, S., et al.: Biochem. Pharmacol., 68, 1749 (2004); Morris, D.M., J. Pharm. Biomed. Anal., 12, 255 (1944), Nevens, B.F., et al.: Gastroenterology, 113, 1258 (1997), Perry, C.M., et al.: Drugs, 53, 657 (1977)<br></p>

<p>Applications Derivative of thyroxine. Antilipemic.<br>References Banz, H., et al.: Fortschr. Med., 97, 1942 (1979),<br></p>

<p>Applications: N,N'-Di(2-hydroxybenzyl)ethylenediamine-N,N'-diacetic Acid Monohydrochloride Hydrate is a component for treating or preventing obesity and insulin resistance and mitrochondrial-associated disorders.N,N'-Di(2-hydroxybenzyl)ethylenediamine-N,N'-diacetic Acid Monohydrochloride Hydrate is also the monohydrochloride hydrate of HBED (H107503), which is an iron chelator useful in treating iron overload.<br>References Milburn, Michael, WO 2007008548, (2007)Bergeron, Raymond J., WO 9939706, (1999)<br></p>

<p>Applications Acyclic phosphonate nucleotide analogue; reverse transcriptase inhibitor. Used as an anti-HIV agent. Antiviral.<br>References Shaw, J.-P., et al.: Pharm. Res., 14, 1824 (1997), Wyles, D., et al.: Clin Infect. Dis., 40, 174 (2005), Peng, J., et al.: J. Clin. Pharmacol., 46, 265 (2006), Seminari, E., et al.: J. Antimicrob. Chemother., 60, 831 (2007),<br></p>

<p>Applications Second-generation cephalosporin antibiotic. Antibacterial.<br>References Gray, B.M., et al.: Antimicrob. Agents Chemother., 13, 988 (1978), Lorenz, L.J., et al.: Anal. Profiles Drug Subs., 9, 107 (1980), Hori, R., et al.: J. Pharm. Pharmacol., 40, 646 (1988),<br></p>

<p>Applications A metabolite of Malachite Green in seafood products. A triphenylmethane dye with fungicidal and limited antiseptic activity. The term Malachine green applies to the oxalate as well as the chloride. Harmful if swallowed. Avoid release to the environment. Dyes and metabolites, Environmental Testing<br>References Carter, S.G., et al.: J. Biochem. Biophys. Methods, 7, 7 (1982), Saikan, S., et al.: J. Chem. Phys., 79, 4154 (1983), Clemmensen, S., et al.: Arch. Toxicol., 56, 43 (1984),<br></p>

<p>Applications Sinigrine, is a glucosinolate which is found naturally in Cruciferae including the genus Brassica. When enzymatically hydrolysed, Sinigrine yields isothiocyanates and give a pungent taste. Both Sinigrine, and isothiocyanates, have been shown to have anticancer activity as well as antifungal and antibacterial properties.<br>References Cools, K., et al.: J. Chromatograohy B., 901, 115 (2012); Okullcz, M., et al.: Materiae Veg., 65 (3), 217 2010;<br></p>

<p>Stability Light Sensitive<br>Applications Luliconazole 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>Applications 3-Methyl Salicylic Acid is a toxic compound, it’s toxicity is similar to salicylic acid. Reagent used in manufacturing and preparation of dyes.<br>References Egorova, T. V., et al.: Tekstil'naya Promyshlennost , 3, 48 (1987); Keshavarz, M. H., et al.: J. Hazard. Mater., 237, 79 (2012)<br></p>

<p>Impurity Salmeterol EP Impurity B<br>Applications A novel antibacterial analog of the antibacterial drug Sulfamethoxazole (S699086).<br></p>

<p>Impurity Azithromycin Related Compound O<br>Applications Azithromycin N-Ethyl is an analogue of Azithromycin (A927000), an semi-synthetic macrolide antibiotic that is related to Erythromycin (E649950).<br>References Bright, G.M., et al.: J. Antibio., 41, 1029 (1988);<br></p>

<p>Impurity Ceftazidime EP Impurity A<br>Stability Hygroscopic, Light Sensitive<br>Applications ∆2-Ceftazidime, 90% (Ceftazidime EP Impurity A) is a Ceftazidime isomer, an impurity of Ceftazidime (C244100).<br>References Vilanova, B., et al.: Helv. Chim. Acta, 76, 2789 (1993), Zhou, M., et al.: J. Pharm. Sci., 84, 534 (1995), Baertschi, S., et al.: Chemother. 8, 353 (1997), Porra, R., et al.: J. Pharm. Biomed. Anal., 18, 241 (1998),<br></p>

<p>Applications 4-Chloro-3-pyridinesulfonamide is a building block that has been used as a reactant for the preparation of heterocyclic 4-substituted pyridine-3-sulfonamide derivatives as inhibitors of four isoforms of zinc enzyme carbonic anhydrase.<br>References Slawinski, J., et. al.: Eur. J. Med. Chem., 69, 701 (2013)<br></p>

<p>Impurity Pilocarpine Hydrochloride EP Impurity C<br>Stability Hygroscopic<br>Applications Isopilocarpic Acid is a degradation product of Pilocarpine (P441500).<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 Szepesi, G. et al.: Pharmazie, 38, 94 (1983); Bundgaard, H. et al.: Int. J. Pharmac., 10, 281 (1982);<br></p>

<p>Applications Bupivacaine metabolite.<br>References Goehl, T. J. et al.: Xenobiotica 3, 761 (1973)<br></p>

<p>Applications 4'-Dimethylamino 7,8-Dihydroxyflavone is a synthetic 7,8-Dihydroxyflavone derivative which promotes neurogenesis and exhibits potent antidepressant effect. The 7,8-dihydroxy groups are essential for the agonistic effect. 4'-Dimethylamino 7,8-Dihydroxyflavone displays higher TrkB agonistic activity than that of 7,8-Dihydroxyflavone (D452830).<br>References Thoenen, H., et al.: Trends Neurosci., 14, 165 (1991); Nibuya, M., et al.: J. Neurosci., 15, 7539 (1995); Kaplan, D., et al.: Curr. Opin. Neurobiol., 10, 381 (2000); Saarelainen, T., et al.: J. Neurosci., 2003, 23, 349 (2003);<br></p>

<p>Applications Bufrolin is an analog of Sodium Cromoglycate (C815000). It is a mast cell stabilizer drug and is shown to display agonism at either human or rat G protein-coupled receptor GPR35.<br>References Church, Martin K., et al.: Int. Arch. Aller. A. Imm., 66, 281-2 (1981); MacKenzie Amanda E., et al.: Mol. Pharmacol., 85(1), 91-104 (2014)<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 Mometasone Furoate EP Impurity B<br>Stability Light Sensitive<br>Applications (11β,16α,17α)-9-Chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-androsta-1,4-dien-3-one (Mometasone EP Impurity B) is an impurity of Mometasone Furoate, a topical corticosteroid used as an anti-inflammatory.<br>References Shapiro, E.L., et al.: J. Med. Chem., 30, 1581 (1987); Graft, D., et al.: J. Allergy Clin. Immunol., 98, 724 (1996)<br></p>

<p>Applications 2-Hydroxyisoquinoline-1,3(2H,4H)-dione was recently discovered as a scaffold for the inhibition of HIV-1 integrase and the RNase H function of HIV-1 reverse transcriptase. Its interaction with Mg2+ and Mn2+ was investigated using different spectroscopic techniques and it was reported that 2-hydroxyisoquinoline-1,3(2H,4H)-dione forms a 1:1 complex with Mg2+ but a 1:2 complex with Mn2+. Antiviral agent.<br>References Greenwald, J., et al.: Biochemistry, 38, 8892 (1999), Tramontano, E., et al.: Antiviral Res., 65, 117 (2005), Schultz, S., et al.: Virus Res., 134, 86 (2008), Williams, P., et al.: Bioorg. Med. Chem. Lett., 22, 6754 (2010),<br></p>

<p>Applications An impurity of Isoniazid (I821450), which is an antibiotic for treatment of Mycobacterium tuberculosis and inhibits mycolic acid biosynthesis. Intermediate used for the synthesis of analogs of antitumor agent 1-acetyl-2-picolinoylhydrazine.<br>References Brewer, G.A., et al.: Anal. Profiles. Drug. Subs., 6, 183 (1977), Weber, W.W., et al.: Clin. Pharmacokinet., 4, 401 (1979); Rutner, H., et al.: Cancer. Chem. Rep., 58, 803 (1974)<br></p>

<p>Applications Acridine analog. DNA intercalating agent.<br>References Hansch, C. et al.: Compr. Med. Chem. 2, 703 (1990)<br></p>

<p>Applications (3aR,4R,6S,6aS)-4-[[(1,1-Dimethylethoxy)carbonyl]amino]-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-4H-cyclopent[d]isoxazole-6-carboxylic Acid Methyl Ester is an intermediate used in the synthesis of peramivir (P285500), a neuraminidase inhibitor developed as an antiviral agent for the treatment of influenza.<br>References Hansen, T., et al.: Europ. J. Med. Chem., 58, 22 (2012);<br></p>

<p>Applications A trizolopyrazine dipeptidyl peptidase IV inhibitor. It has recently been approved for the therapy of type II diabetes.<br>References Kim, D., et al.: J. Med. Chem., 48, 141 (2005), Ahren, B., et al.: Eur. J. Pharmacol., 521 164 (2005), Bergman, A., et al: Clin. Ther., 28, 55 (2006).<br></p>

<p>Applications (1R-cis)-Cyhalothric Acid is an intermediate in the synthesis of Bifenthrin (B383000), a third generation synthetic pyrethroid.<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 Faming Zhuanli Shenqing (2012), CN 102827004 A 20121219. Wei, W. J., et al.: Chirality., 22, 604 (2010);<br></p>

<p>Applications A diphenhydramine (D486900) analog classified as an antihistaminic.<br>References Bakker, R.A. et al.: Mol. Pharm., 60, 1133 (2001); Rekker, R.F. et al.: Arzneim.-Forsch., 21, 688 (1971);<br></p>

<p>Applications A prototypical BCRP inhibitor. Inhibits the Bcrp1-mediated transport.<br>References Neville, K., et al.: Clin. Cancer Res., 10, 2525 (2004), Reardon, D., et al.: J. Clin. Oncol. 23, 9359 (2005), Pan, G., et al.: Drug Metab. Dispos., 35, 1165 (2007).<br></p>

<p>Stability Hygroscopic<br>Applications Semisynthetic aminoglycoside antibiotic derived from Kanamycin A. Antibacterial.<br>References Cabana, T., et al.: Antimicrob. Agents Chemother., 3, 478 (1973), Cappelletti, L.M., et al.: J. Antibiot., 36, 328 (1983), Monteleone, P.M., et al.: Anal. Profiles Drug Subs., 12, 37 (1983),<br></p>

<p>Applications HIV protease inhibitor; water soluble prodrug of amprenavir.<br>References Falcoz, C., et al.: J. Clin. Pharmacol., 42, 887 92002), Chapman, T.M., et al.: Drugs, 64, 2101 (2004)<br></p>

<p>Applications 4-Tolyl-d4-sulfonamide is the labeled analogue of 4-Tolylsulfonamide (T536630), a carbonic anhydrase inhibitor used the synthesis of antiglaucoma and anticancer drugs.<br>References Vullo, D. et al.: Bioorg. Med. Chem. Lett., 15, 963 (2005); Vullo, D. et al.: Bioorg. Med. Chem. Lett., 15, 971 (2005);<br></p>

<p>Stability Hygroscopic<br>Applications A metabolite of Mosapride (M731000).<br>References Chen, H., et al.: J. Pharm. Biomed. Anal., 40, 142 (2006), Pedraglio, S., et al.: J. Pharm. Biomed. Anal., 44, 665 (2007), Christopher, L., et al.: Drug Metab. Dispos., 36, 1341 (2008), Curran, M., et al.: Drugs, 68, 981 (2008),<br></p>

<p>Impurity Ritonavir EP Impurity N<br>Applications 4-Dehydroxy-5-Hydroxy Ritonavir (Ritonavir EP Impurity N) is an impurity of the selective HIV protease inhibitor Ritonavir (R535000). It is a COVID19-related research product.<br>References Kempf, D.J. et al.: J. Med. Chem., 41, 602 (1998); Mekapati, S.B. et al.: J. Enzyme Inhib., 16, 185 (2001);<br></p>

<p>Applications Semisynthetic labelled Erythromycin derivative. Antibacterial.<br>References Jones, R.N., et al.: Antimicrob. Agents Chemother., 24, 209 (1983), Barry, A.L., et al.: Eur. J. Clin. Microbiol., 5, 536 (1986), Grassi, C., et al.: Chemioterapia, 6, 41 (1987),<br></p>

<p>Applications Triclosan is used as bactericide and preservative for cosmetic and detergent compositions (1). Broadly used as an antiseptic and disinfectant (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 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. Lindström, A. et al.: Environ. Sci. Technol. 2002 Jun 1;36(11):2322-9. 2. Ruszkiewicz, J. et al.: J. Toxicol. Environ. Health B. Crit. Rev. 2017;20(2):104-117.<br></p>

<p>Stability Sample is unstable in solution<br>Applications Erythromycin A N-oxide is a facile metabolite of erythromycin A.<br></p>

<p>Applications 1,4-Dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester has been studied as a novel influenza endonuclease inhibitor. They also function as high-affinity ligands at the benzodiazepine site of brain GABAA receptors.<br>References Baughman, B. et al.: ACS. Chem. Biol., 7, 526 (2012); Gaurav, A. et al.: Medicin. Chem. Res., 20, 192 (2011);<br></p>

<p>Applications Disodium Salt of 3-Methylphosphinicopropionic Acid, the major metabolite of Glufosinate (G596950), used as herbicide.<br>References Royer, A., et al.: Anal. Chem., 72, 3826 (2000), Muller, B., et al.: Pestic. Manag. Sci., 57, 46 (2001), Duke, S., et al.: J. Agric. Food Chem., 51, 340 (2003),<br></p>

<p>Applications O-Des-(2,2-methylbutyryl) Spirodiclofen is a metabolite of Spirodiclofen (S682990) in animals and plants. Spirodiclofen is a tetronic acid acaricide used in controlling red mites.<br>References Demaeght, P., et al.: Insect Biochem. Molec., 43, 544 (2013); Koester, J.: Pflanzenschutz-Nachrichten Bayer, 55, 237 (2002); Rauch, N., et al.: Pestic. Biochem. Phys., 74, 91 (2003)<br></p>