Toxicology

<p>Applications 7-Methyltryptophol is a metabolite of Tryptophan (T947200), an essential amino acid.<br>References Liu, F., et al.: Bioorg. Med. Chem., 18, 4167 (2010), Kumar, R., et al.: Eur. J. Med. Chem., 45, 2265 (2010), Cai, W., et al.: Bioorg. Med. Chem., 18, 1899 (2010),<br></p>

<p>Applications An antitussive. Controlled substance (opium derivative).<br>References Kabayashi, S., et al.: Arzneim.-Forsch., 20, 43 (1970), Yanagita, T., et al.: Bull. Narc., 29, 33 (1977),<br></p>

<p>Applications 3-trans-Hydroxy Norcotinine (cas# 1292911-83-1) is a compound useful in organic synthesis.<br></p>

<p>Applications Fluoxetine (F597100) derivative. A stereoselective inhibitor of serotonin re-uptake and phosphodiesterase. Potential antidepressants<br>References Cashman, J. et al.: Bioorgan Med. Chem. 17, 337 (2009)<br></p>

<p>Applications Tiafenacil is a uracil herbicide used as a pesticide for the prevention and control of plants.<br>References Peng, X., et al. Faming Zhuanli Shenqing, 68pp Patent 2018 CODEN:CNXXEV<br></p>

<p>Applications 10β-Hydroxyl Dextrorphan 3-O-β-D-Glucuronide is a metabolite of Dextrorphan.<br>References Thurman, E. Michael., et al.: J. Chrom. A., 1259, 158-166 (2012)<br></p>

<p>Applications 3,5,6-Trichloro-8-quinolinecarboxylic Acid is an impurity of Quinclorac (Q670300), which is a disubstituted quinolinecarboxylic acid that is part of a new class of highly selective auxin herbicides. Quinclorac is used in rice to control dicotyledonous and monocotyledonous weeds, particularly barnyardgrass (Echinochloa crus-galli). Quinclorac is also used for weed control in turfgrasses.<br>References Haden, E. et al.: Proc. Br. Corp. Prot. Conf. Weeds, 1, 77 (1985); Chism, W.J. et al.: Weed Sci., 39, 62 (1991); Grossmann, K. et al.: Weed Sci., 46, 707 (1998);<br></p>

<p>Applications Testosterone 17-Hexahydrobenzoate-d11 is the isotope analog of Testosterone 17-Hexahydrobenzoate. Testosterone 17-Hexahydrobenzoate is a metabolite of testosterone (T155000), which is used in biological studies to determine the hemolytic and lipophilic activity of this anabolic steroid.<br>References Biagi, G.L., et al.: J. Med. Chem., 13, 944 (1970); Biagi, G. L., et al.: J. Med. Chem., 18, 873 (1975)<br></p>

<p>Applications Labelled Famotidine. Histamine H2-receptor antagonist. Antiulcerative.<br>References Takeda, M., et al.: Arzneim.-Forsch., 32, 734 (1982), Miwa, M., et al.: J. Clin. Pharmacol. Ther. Toxicol., 22, 214 (1984), Takabatke, T., et al.: Eur. J. Clin. Pharmacol., 28, 327 (1985),<br></p>

<p>Applications 1-(2,2-Dihydroxyethyl)-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic Acid is an intermediate in the synthesis of Bictegravir-15N, d2 (B382096), which is the labeled version of Bictegravir, which is a novel, potent inhibitor of HIV-1 integrase with an IC50 of 7.5 nM.<br>References Tsiang M. et al.: Antimicrob Agents Chemother. 2016 Nov 21;60(12):7086-7097;<br></p>

<p>Applications (Z)-rac-Luliconazole is a stereoisomer of Luliconazole (L473770) which 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>Stability Light Sensitive<br>Applications Rifabutin Impurity C is an impurity of Rifabutin (R505000), a semisynthetic derivative of Rifamycin S that inhibits nucleic acid synthesis.<br>References O’Brien, R.J., et al.: Infect. Dis., 9, 519 (1987), 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 Valganociclovir EP Impurity J<br>Applications Ganciclovir Mono-O-propionate is a potential prodrug of Ganciclovir (G235000). Ganciclovir Mono-O-propionate was also found to exhibit anti-viral activity through experimental studies.<br>References Dias, C.S., et al.: J. Pharma. Sci., 91, 660 (2002);<br></p>

<p>Applications 2-Ethoxy-4-ethoxysulfonylbenzoic Acid is a derivative of Methyl 2-Ethoxybenzoate (M220113), a useful chemical reagent, used in the synthesis and antibacterial triazoles and oxadiazoles, as well as sulfonamide compounds.<br>References Shi, Z. et al.: Compt. Rend. Chim., 18, 1320 (2015);<br></p>

<p>Applications Verazide is derived from Isoniazid (I821450), which is an antibiotic for treatment of Mycobacterium tuberculosis, inhibits mycolic acid biosynthesis. Metabolized by hepatic N-acetyltransferase (NAT) and cytochrome P450 2E1 (CYP2E1) to form hepatotoxins. Selectively induces expression of CYP2E1. Reversibly inhibits CYP2C19 and CYP3A4 activities, and mechanistically inactivates CYP1A2, CYP2A6, CYP2C19 and CYP3A4 at clinically relevant concentrations. Antibacterial (tuberculostatic).<br>References Brewer, G.A., et al.: Anal. Profiles Drug Subs., 6, 183 (1977), Weber, W.W., et al.: Clin. Pharmacokinet., 4, 401 (1979)<br></p>