Toxicology

<p>Applications Protected Boceprevir Metabolite M4-d9 (B674522). A labelled metabolite of the Hepatitis C virus NS3 serine protease inhibitor Boceprevir (B675500). It is a COVID19-related research product.<br>References Venkatraman, S. et al.: J. Med. Chem., 49, 6074 (2006); Morgan, A.J, et al.: J. Lab. Cpd. Radiopharmac., 54, 613 (2011);<br></p>

<p>Applications (5R)-5-Hydroxy-3-oxo-6-(benzyloxy)-hexanoic Acid tert-Butyl Ester is used in the preparation of antifungal macrolide antibiotic (+)-Roxaticin, Phorboxazole B and Bryostatin 2.<br>References Evans, D. et al.: J. Am. Chem. Soc., 125, 10899 (2003); Evans, D. et al.: J. Am. Chem. Soc., 122, 10033 (2000); Evans, D. et al.: J. Am. Chem. Soc., 121, 7540 (1999)<br></p>

<p>Applications 1-[5-Chloro-2-(2,4-dichlorophenoxy-13C6)phenyl]ethanone is an intermediate in the synthesis of Triclosan-13C6 (T774253). Isotope labelled 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></p>

<p>Applications 1-Ethoxyethanimine-D3 Hydrochloride is an intermediate in the synthesis of Secnidazole-d3 (S225003), which is a labelled Secnidazole (S225000). Analog of Metronidazole. Antiamebic. Antiprotozoal (Trichomonas).<br>References Cosar, C., et al.: Arzneim.-Forsch., 16, 23 (1966), Videau, D., et al.: Br. J. Vener. Dis., 54, 77 (1978), Symonds, J., et al.: J. Antimicrob. Chemother., 5, 484 (1979),<br></p>

<p>Applications Diacetyl (6-Chloro 7-Piperazinyl 1-Ethyl-1,4-dihydro-4-oxo-3-quinolinecarboxy Borate) is an intermediate in the synthesis of Defluoro-6-chloro Norfloxacin Hydrochloride (D228535). Defluoro-6-chloro Norfloxacin hydrochloride is impurity F of Norfloxacin (N681000), which is a pefloxacin derivative that acts as a fluorinated quinolone antibacterial.<br>References Koga, H., et al.: J. Med. Chem., 23, 1358 (1980); Hirai, K., et al.: Antimicrob. Agents Chemother., 19, 188 (1981); Holmes, B., et al.: Drugs, 30, 482 (1985)<br></p>

<p>Applications (R)-3-(2-Chloro-4-nitro-1H-imidazol-1-yl)-2-(4-trifluoromethoxybenzyl-d2-oxy)propyl-3,3-d2 Benzoate is an intermediate used in the synthesis of (S)-PA 824-d4 (P122502), which is a labelled novel anti-tuberculosis drug.<br>References Diacon, A.H. et al.: Antimicrob. Anents Chemother., 54, 3402 (2010); Dogra, M. et al.: Br. J. Pharmacol., 162, 226 (2010); Ginsberg, A.M. et al.: Antimicrob. Agents Chemother., 53, 3720 (2009);<br></p>

<p>Applications 1-Cyclopropyl-8-ethoxy-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester is used in the preparation of alkoxyquinolone antibacterial agents. Also an impurity in the synthesis of Moxifloxacin (M745000), a fluorinated quinolone antibacterial.<br>References Sanchez, J. et al.: J. Med. Chem., 38, 4478 (1995); 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 Impurity of Paclitaxel analog.<br></p>

<p>Applications (S)-(-)-2-Amino-3-benzyloxy-1-propanol is used as a reagent to synthesize 15-membered macrolide antibiotics. It is also used as a reagent to synthesize oxathiazinane dioxides, compounds that exhibit antiangiogenic properties.<br>References Borcard, F., et al.: Bioorg. Med. Chem. Lett., 20, 5353 (2010); Sugimoto, T., et al.: Bioorg. Med. Chem., 20, 5787 (2012)<br></p>

<p>Applications 2,3,7,8-Tetrachloro-[1,4]dioxino[2,3-b:5,6-b']dipyridine is used in analytical studies for the presence and formation of dioxin-like compounds in heat-treated chlorpyrifos herbicide, a potential precursor of pyridine analog of 2,3,7,8-Tetrachloro-p-dioxin (T291370).<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 Sakiyaama, T., et al.: Organohalogen Compounds, 73, 146 (2011);<br></p>

<p>Applications Intermediate in the preparation of antifungal agents.<br>References Saksena, A., et al.: Bioorg. Med. Chem. Lett., 4, 2023 (1994),<br></p>

<p>Impurity Fusidic Acid EP Impurity O<br>Applications 16-Deacetyl Fusidic Acid Sodium Salt (Fusidic Acid EP Impurity O) is an impurity of Fusidic acid.<br>References Godtfredsen, W.O., et al.: Antimicrob. Agents Chemother.,132, 1965 (1961),<br></p>

<p>Applications The labelled epimer of Medroxyprogesterone acetate (M203560). Progesterone impurity.<br>References Tang, M., et al.: Endocrinol., 151, 1320 (2010), Lee, K., et al.: Mol. Cell. Endocrinol., 319, 109 (2010), Rodgers, A., et al.: Chem., Res. Toxicol., 23, 724 (2010), Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010),<br></p>

<p>Stability Hygroscopic<br>Applications Dihydroxyacetone Phosphate Lithium Salt, is a metabolic intermediate involved in involved in a wide variety of metabolic pathways including glycolysis and lipid biosynthesis. In plants, Dihydroxyacetone phosphate is involved with the synthesis of vitamin B6.<br>References Jun Ogawa et. al.: et al.: Bioscience, biotechnology, and biochemistry, 67(4), undefined (2003-6-6); John P Richard, Biochemistry, 51(13), undefined (2012-3-14);<br></p>

<p>Applications Intermediate in the synthesis of a cholesterol absorption inhibitor.<br>References Kambara, T. et al.; J. Org. Chem. 64, 9282 (1999); Wu, G. et al.; J. Org. Chem. 62, 6412 (1997)<br></p>

<p>Applications 6-Quinoxalinecarboxylic Acid is an intermediate used in the production of antiprotozoal agents.<br>References Kim, D., et al.: Eur. J. Med. Chem., 44, 568 (2009), Lyne, P., et al.: Bioorg. Med. Chem. Lett., 19, 1026 (2009),<br></p>

<p>Applications O-Benzyl Ganciclovir N-Formyl Diacetate Dimer is an intermediate used in the synthesis of Valganciclovir N3,N3'-Methylene Dimer (&gt;90%) (V092015), which is an impurity of Valganciclovir (V092000), a pro-drug of Ganciclovir (G235000) . Used in treatment of retro-virus.<br>References Acosta, E., et al.: Clin. Pharmacol. Ther., 81, 867 (2007), Nassetta, L., et al.: J. Antimicrob. Chemother., 63, 862 (2009),<br></p>

<p>Applications (Z)-3-Methylpent-2-en-4-yn-1-ol is used as a reagent in organic synthesis of many compounds including that of prolycopene which is a tangerine-colored tetra-Z-isomer of lycopene that is found in fruits of the tangerine tomato. Z)-3-Methylpent-2-en-4-yn-1-ol is also used in the synthesis of Leucosceptroids A and B which have potent antifungal properties.<br>References Pattenden, G., et al.: Tetrahedron Lett., 28, 5751 (1987); Guo, S., et al.: Angew. Chem. Int. Edit., 54, 1298 (2015);<br></p>

<p>Applications Intermediate in the preparation of ribose sugar derivatives.<br></p>

<p>Applications (1S,2R)-1-((2S,3R,4S,6R)-3-Acetamido-4,6-diacetoxy-6-(methoxycarbonyl)tetrahydro-2H-pyran-2-yl)propane-1,2,3-triyl Triacetate is an intermediate in synthesizing 2-O-Methyl-α-D-N-acetylneuraminic Acid (M275400), which is a model compound for studies of binding of influenza virus hemagglutinin and metal ions.<br>References Sauter, N.K., et al.: Biochemistry, 28, 8388 (1989); Sharon, N., et al.: Science, 246, 227 (1989); Nagy, J.O., et al.: J. Med. Chem., 35 (23), (1992); Knibbs, R.N., et al.: J. Biol. Chem., 268 (25), 18524 (1993)<br></p>

<p>Applications 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 Atorvastatin Cyclic (Isopropyl) Methyl Ester Impurity is an intermediate in synthesizing Atorvastatin Cyclic Sodium Salt (Isopropyl) Impurity (A791825), a photodegadation product of Atorvastatin (a cyclic impurity of Atorvastatin).<br>References Roger, D., et al.: Clin. Exp. Dermatol., 19, 88 (1994); Cosa, G., et al.: Photochem. Photobiol., 80, 159 (2004), Kerwin, B., et al.: J. Pharm. Sci., 96, 1468 (2007)<br></p>

<p>Applications 2,6-Dichloronicotinyl Chloride is a reactant used in the preparation of semisynthetic derivatives of andrographolide and inhibitors of hepatitis C (HCV) NS5B polymerase.<br>References Uttekar, M. et al.: Eur. J. Med. Chem., 56, 368 (2012); Reddy, T. et al.: Bioorg. Med. Chem. Lett., 13, 3341 (2003)<br></p>

<p>Applications A labelled degradation product of Desloratadine. Desloratadine impurity.<br>References ,Billah., et al.: Lipids, 26, 1172 (1991), Piwinski., et al.: J. Med. Chem., 34(1), 457 (1991)<br></p>

<p>Applications Eugenol-d3 Methanesulfonate is an intermediate in the synthesis of Labelled Eugenol (E935640), a dental compound which shows cytotoxicity to human oral squamous cell carcinoma and oral cells. When glucosylated, this compound exhibits anti-inflammatory activity.<br>References Koh, T. et al.: In Vivo, 27, 85 (2013); Zhang, P. et al.: Arch. Pharm. Res., 36, 109 (2013);<br></p>

<p>Applications 6,7-Dichloro-1-ethyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester is an intermediate in the synthesis of Defluoro-6-chloro Norfloxacin Hydrochloride (D228535). Defluoro-6-chloro Norfloxacin hydrochloride is impurity F of Norfloxacin (N681000), which is a pefloxacin derivative that acts as a fluorinated quinolone antibacterial.<br>References Koga, H., et al.: J. Med. Chem., 23, 1358 (1980); Hirai, K., et al.: Antimicrob. Agents Chemother., 19, 188 (1981); Holmes, B., et al.: Drugs, 30, 482 (1985)<br></p>

<p>Applications (4S-cis)-4-(O-TBDMS-1-methylethyl)-2,2,5-trimethyl-1,3-dioxolane-4-carboxylic Acid is an intermediate in the synthesis of (+)-Echimidine N-Oxide, which is a hepatotoxic pyrrolizidine alkaloid. Different extracts and echimidine-N-oxide from Symphytum sylvaticum Boiss. Subsp. sepulcrale, has been shown to have Antifungal activity.<br>References Kartal, M., et al.: Turkish, J. Med. Sci., 31, 487 (2001); Cao, Y., J. Food Comp. Anal., 29, 106 (2013);<br></p>

<p>Applications 1-O-Methylsulfonyl 3-O-Trityl-(S,S)-Chloramphenicol is an intermediate in the synthesis of L-erythro-Chloramphenicol (C325015), which functions as a potent inhibitor of electron transport in the mitochondria in biological studies.<br>References Berendsen, B., et al.: Anal. Chim. Acta., 700, 78 (2011), Wilson, S.B., et al.: Biochim. Biophys. Acta., 292, 603 (1973)<br></p>

<p>Applications An intermediate in the preparation of heteropolycyclic quinolones.<br>References Dogan, J. et al.: Heterocycles, 41, 1659 (1995)<br></p>

<p>Applications 5β-Dihydrocortisol 21-O-(1-Ethoxy Ethyl) Ether-d6 is an isotope labelled intermediate in the synthesis of Tetrahydro Cortisone-d6 (T293377), which is a normal mammalian metabolite of Cortisone (C696500).<br>References Schneider, et al.: J. Biol. Chem., 183, 365 (1950), Barkemeyer, et al.: Appl. Microbiol., 8, 237 (1960),<br></p>

<p>Applications Hexachloropropanone is a useful synthetic intermediate. It is a reagent used for the conversion of nucleoside-3′-phosphonates to the corresponding phosphates and for the polymerization of vinyl compounds.<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 Garegg, P., et al.: J. Chem. Soc. Perkin Trans. I, 6, 1269 (1972); Deming, T., et al.: 26, 7089 (1993)<br></p>

<p>Applications ((2S,4S)-2-(Chloromethyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methyl 4-Methylbenzenesulfonate is an intermediate in the synthesis of Itraconazole (I937500), an orally active antimycotic structurally related to Ketoconazole. Antifungal.<br>References 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 1-[2-(2,4-Difluorophenyl)-2,3-epoxypropyl]-1H-1,2,4-triazole is an epoxy impurity of the antifungal agent Fluconazole (F421000).<br>References Bourichi, H. et al.: STP Pharm. Prat., 18, 285 (2008); Dongre, V.G. et al.: J. Pharmac. Biomed. Anal., 42, 334 (2006)<br></p>

<p>Applications 4-​(1,​2-​Dimethyl-​1-​propen-​1-​yl)​-​benzoic Acid Methyl Ester is an intermediate in synthesizing 1-Desmethyl-2-methylpropyl Amorolfine (D292315), an analogue of Amorolfine Hydrochloride (A634170). Amorolfine hydrochloride is a salt of Amorolfine which is a morpholine antifungal drug. It is a topical solution for the treatment of toenail infections.<br>References Rotta, I., et al.: JAMA Dermatol., 149, 341 (2013); Espinel-Ingroff, A., et al.: Antimicrob. Agents Ch., 26, 5 (1984)<br></p>

<p>Applications Clindamycin B (C580040) derivative.<br></p>

<p>Applications Methyl 4-Amino-3,6-dichloropyridine-2-carboxylate is an intermediate in the synthesis of Arylex (A794890), which exhibits potent dicot weed control; Herbicide.<br>References Schmitzer, P. R., et al.: ACS Symp. Ser., 1204, 247-260 (2015); Epp, J. B., et al.: Bioorg. Med. Chem., 24, 362-371 (2016); Zhao, H., et al.: J. Sep. Sci., 38, 1164-1171 (2015)<br></p>

<p>Stability Moisture Sensitive<br>Applications Trans-1,2-cyclohexanedicarboxylic anhydride can be used as a reagent to prepare hepatitis C virus (HCV) and granzyme B (indoline derivatives) inhibitors. It has also been employed in studies relating to the development of protein kinase C inhibitors.<br>References Yang, Z., et al.: PCT Int. Appl. WO 2015124063 A1 20150827 (2015); Cameron, D. R. PCT Int. Appl. WO 2014153666 A1 20141002 (2014); Cameron, D. R. PCT Int. Appl. WO 2014153666 A1 20141002 (2014); Lampe, J. W., et al.: J. Med. Chem 45, 2624<br></p>

<p>Applications 9-(2-Hydroxypropyl)adenine is the unlabeled form of 9-(2-Hydroxypropyl)adenine-13C5 (H952012), which is an intermediate used in the synthesis of rac Tenofovir-13C5 (&gt;90%) (T018501), the isotope labelled analog of Tenofovir (T018500); an acyclic phosphonate nucleotide analogue and reverse transcriptase inhibitor. Also used as an anti-HIV agent and 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 Gemfibrozil 1-O-β-D-(3,4,5-O-Triacetyl)glucuronide is an intermediate for the synthesis of Gemfibrozil 1-O-β-Glucuronide (G305755), which is the pure form of Gemfibrozil 1-O-β-Glucuronide (contains up to 15% α isomer) (G305760), and it is the major metabolite of Gemfibrozil. Gemfibrozil is a serum lipid regulating agent used as an antihyperlipoproteinemic.<br>References Kissebach, A.H., et al.: Atherosclerosis, 24, 199 (1976); Lewis, J.E., et al.: Pract. Cardiol., 9, 99 (1983); Rubins, H.B., et al.: N. Engl. J. Med., 341, 410 (1999)<br></p>

<p>Applications ((2S,4R)-2-(Chloromethyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methyl 4-Methylbenzenesulfonate is an intermediate in the synthesis of Itraconazole (I937500), an orally active antimycotic structurally related to Ketoconazole. Antifungal.<br>References 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 Isotope labelled intermediate in the synthesis of the metabolites of Nitazoxanide (N490100), an anthelmintic (cestodes), antiprotozoal (cryptosporidium) agent.<br></p>

<p>Applications Acifluorfen is an herbicide against broadleaf weeds. An environmental toxin relating to in vivo toxicity of nitroaromatics.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.<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 Gooch, A. et al.: Env. Toxicol. Chem., 36, 2227 (2017);<br></p>

<p>Applications 4-isopropylaniline is a useful synthetic intermediate. It is a metabolite of phenylurea herbicide isoproturon. It was used in the hydroamination of phenylacetylene.<br>References Peeters, A., et al.: Audio, Transactions of the IRE Professional Group on, 47, 4114 (2011); Sørensen, S., et al.: Pest Manag. Sci., 59, 1118 (2003)<br></p>

<p>Stability Hygroscopic<br>Applications Tiglylcarnitine-d3 is labelled Tiglylcarnitine (T793780), a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Tiglylcarnitine can be diagnostic for a number of ß-oxidation defects.<br>References Adams, S., et al.: J. Nutrition, 139, 1073 (2009); Ventura, F., et al.: Clinica Chimica Acta, 281, 1 (1999); Pourfarzam, M., et al.: Clinical Chem,, 40, 2267 (1994); Schaefer, J., et al.: Pediatric Res., 37, 354 (1995)<br></p>

<p>Applications Intermediate in the preparation of Simvastatin (S485000) derivatives.<br>References Stokker, G.; J. Org. Chem. 59, 5983 (1994)<br></p>

<p>Applications Acetophenone-13C8 is an intermediate in synthesizing Mandelic Acid-13C8 (M162523). It is a C13 labelled Mandelic Acid which is used as an antiseptic (urinary). It is also used as a short-term exposure biomarker in urine from styrene exposed workers.<br>References Pessela, B., et al.: Enzyme Microb. Technol., 40, 310 (2007); Carrasco-Lopez, C., et al.: J. Biol. Chem., 284, 4365 (2009); Fustinoni, S., et al.: Toxicol. Lett., 192, 40 (2010)<br></p>

<p>Applications A coordination compound for treatment of cervix cancer.<br>References Jiang, M., et al.: Methods Mol. Biol., 292, 401 (2005), Fujii, T., et al.: Int. J. Oncol., 29, 541 (2006), Niu, X., et al.: Int. J. Gynecol. Cancer, 16, 743 (2006),<br></p>

<p>Applications 5H-Pyrido[1,2,3-de]-1,4-benzoxazine-D3 Boron Derivative is an intermediate in the synthesis of (R)-Ofloxacin-d3 (O245742), which is 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 1,3-Dithiolan-2-imine is one of the metabolites of Cyolane, a systemic organophosphate insecticide that is effective in larvae of all stages and is also persistent for a long period of time. Cyolane is toxic and also known to cause an asthmatic inflammatory reaction in the lungs of juvenile rats.<br>References Bahig, M. &amp; Wafa, D.: Isot. Rad. Res., 13, 153 (1981); Mistric, J. &amp; Pittard, W.: J. Econ. Entomol., 66, 232 (1973); Pasarela, N. &amp; Orloski, E.: Anal. Method. Pestic. Plant Growth Reg., No vol. given, No pp. given (1973)<br></p>

<p>Applications (1S,2R,6R)-6-Acetoxy-2-((bis(benzyloxy)phosphoryl)oxy)-4-(ethoxycarbonyl)cyclohex-3-en-1-yl benzoate is an intermediate in the synthesis of Shikimate-3-phosphate (S357026), an substrate for 5-Enolpyruvoyl-shikimate-3-phosphate synthase (EPSPS), the target for the board-spectrum herbicide N-(phosphonomethyl)glycine(glyphosate).<br>References Mooney, C.A., et al.: J. Med. Chem., 57, 3154 (2014);<br></p>

<p>Applications (4R,12aS)-9-Bromo-3,4,12,12a-tetrahydro-4-methyl-7-(phenylmethoxy)-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-d2-6,8-dione is an isotope labelled intermediate of Dolutegravir (D528800), a second generation HIV-1 integrase strand transfer inhibitor.<br></p>

<p>Stability Hygroscopic, Temperature Sensitive<br>Applications Amoxicillin trimer Trisodium Salt, is an impurity of Amoxicillin (A634235), a β-lactam family antibiotic that is commonly used in conjunction with clavulanic acid (C56370) to the treat bacterial infections.<br>References Gurwith, M., et al.: Antimicrob. Agents Ch., 24, 716 (1983); Kumar, A., et al.: J. Mater. Chem., 20, 10152 (2010);<br></p>

<p>Applications 1-Cyclopropyl-6,7-difluoro-8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid-13C,d3 is an intermediate in synthesizing Moxifloxacin Hydrochloride-13CD3 (M745003), 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>Impurity Rosuvastatin Formyl Impurity<br>Applications Rosuvastatin intermediate.<br>References Watanabe, M., et al.: Bioorg. Med. Chem., 5, 437 (1997),<br></p>

<p>Stability Hygroscopic<br>Applications A degradation product of Betamethasone (B327000).<br>References Andersson, P., et al.: J. Pharm. Pharmacol., 36, 763 (1984), Wurthwein, G., et al.: Biopharm. Drug Dispos., 11, 381 (1990), Samtani, M., et al.: J. Pharm. Sci., 93, 726 (2004), Samtani, M., et al.: Drug Metab. Dispos., 33, 1124 (2005),<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 5-Allylidene-10,11-dihydro-5H-dibenzo[a,d][7]annulene is an impurity of Nortriptyline (N837000) and Amitriptyline (A552600), both of which are antidepressant.<br>References Hale, J. L., et al.: Anal. Profiles Drug Subs., 1, 233 (1972); Rubin, E.H., et al.: J. Clin. Psychiatry, 46, 418 (1985); Blessel, K.W., et al.: Anal. Profiles Drug Subs., 3, 127 (1974); Tobe, A., et al.: Arzneim.-Forsch., 31, 1278 (1981)<br></p>

<p>Applications (2S,4R)-Itraconazole 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 The minor metabolite of Deflazacort.<br>References Bernareggi, A., et al.: J. Pharma. Biomed. Anal., 5, 177-81 (1987), Assandri, A., et al.: Xenobiotica, 13(3), 185 (1983), Martinelli, E., et al.: Drug Metab. Dispos., 7, 335 (1979),<br></p>

<p>Applications (5R)-Flucloxacillin N4-[N-[[3-(20chloro-6-fluoro-phenyl)-5-methyl-4-isoxazolyl]carbonyl]-glycinyl] Penilloic Acid is an impurity of Flucloxacillin (F419200), a new semisynthetic penicillin.<br>References Markovich, M., et al.: Antibiot. Med. Biotekhnol., 31, 603 (1986), Rahman, M., et al.: Biochem. Pharmacol., 46, 1721 (1993), Silva, D., et al.: Med. Biol. Res., 37, 963 (2004),<br></p>

<p>Applications 3-Ethyl 3,5-Didemethyl Memantine is an impurity of Memantine (HCl salt, M218000) which is used as an antiparkinsonian and antispasmodic.<br>References Rohde, H., et al.: Fortschr. Med., 100, 2023 (1982), Kornhuber, J., et al.: Eur. J. Pharmacol., 166, 589 (1989), Gortelmeyer, R. and Erbler, H.: Arzneimittel-Forsch., 42, 904 (1992)<br></p>