Toxicología

<p>Applications Protected Varenicline metabolite.<br></p>

<p>Applications (Z)-1,1'-(2-(2,4-Difluorophenyl)prop-1-ene-1,3-diyl)bis(1H-1,2,4-triazole) is an impurity of Fluconazole (F421000), an antifungal.<br>References Richard, K. et al.: Antimicrob. Ag. Chemother., 27, 832 (1985),<br></p>

<p>Applications 5-​[[[(2,​4-​Difluorophenyl)​methyl]​amino]​carbonyl]​-​1-​(2,​2-​dimethoxyethyl)​-​1,​4-​dihydro-​3-​methoxy-​4-​oxo-2-pyridinecarboxylic Acid Methyl Ester is an intermediate in the synthesis of Cabotegravir-d3 (C050102), which is the labelled form of Cabotegravir (C050100). Cabotegravir is 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 Hydrobromic acid is a strong acid that is used in conjunction with Phenol (P318005) to carry out rapid cleavage of sulfonamides. Hydrobromic acid is also used as a catalyst to reduce sulfoxides, such as Dimethyl sulfoxide (D479380).<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 Aida, T., et al.: Tetrahedron Lett., 14, 39 (1973); Snyder, H. &amp; Geller, H.: J. Am. Chem. Soc., 74, 4864 (1952)<br></p>

<p>Applications Asunaprevir is an inhibitor of the viral enzyme serine protease HCV NS3. Also functions as a second generation NS3/4A protease inhibitor used in the treatment of hepatitis C.<br>References Takehara, T., et al.: Igaku no Ayumi, 255, 1155 92015); Kalaghatgi, P., et al.: PLoS One, 11, 5 (2016)<br></p>

<p>Applications N-(2-Hydroxyethyl)tetracosanamide acts as a crude oil emulsifier.<br>References Zhiqiang, J., et al.: Fami Zhu Shen., 5 (2016)<br></p>

<p>Applications A metabolite of Ofloxacin (O245750).<br>References Okazaki O., et al.: Xenobiotica, 22, 439 (1992), Murakami, K., et al.: Drugs, 49, 331 (1995),<br></p>

<p>Applications Isomer of (-)-(3S)-3-Hydroxy Quinine-vinyl-d3.<br></p>

<p>Applications Dydrogesterone (D826000) intermediate. Used in the preparation of 10α-steroids.<br></p>

<p>Applications 2-Amino-4'-bromoacetophenone Hydrochloride is used as a reagent in the synthesis of Ledipasvir (L320100); a potent, once-daily oral NS5A inhibitor used for treatment of hepatitis C virus infection. 2-Amino-4'-bromoacetophenone Hydrochloride is also used in the preparation of the β-receptor agonists (-)-Denopamine (D231485) and (-)-Arbutamine (A766300).<br>References Link, J.O., et al.: J. Med. Chem., 57, 2033 (2014); Shang, G., et al.: Chem-Eur. J., 13, 7780 (2007)<br></p>

<p>Applications (3aS,4S,6R,6aR)-6-(N-Boc-amino)-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-4H-cyclopent[d]isoxazole-4-carboxylic Acid Methyl Ester is an impurity of Peramivir (P285500), a neuraminidase inhibitor used as an antiviral agent for treating influenza. (3aS,4S,6R,6aR)-6-(N-Boc-amino)-3-(1-ethylpropyl)-3a,5,6,6a-tetrahydro-4H-cyclopent[d]isoxazole-4-carboxylic Acid Methyl Ester is also a regioisomer of (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 (D472890).<br>References Whitley, R., et al.: Pediatr. Infect. Dis. J., 20, 127 (2001); Bright, R., et al.: Lancet., 366, 1175 (2005); Deyde, V., et al.: J. Infect. Dis., 196, 249 (2007); Lee, N., et al.: Clin. Infect. Dis., 46, 1323 (2008)<br></p>

<p>Applications Aprindine is a long-acting antiarrhythmic agent, effective when administered orally or intravenously in the treatment of ventricular arrhythmias of varying etiologies.<br>References Danilo, P. Jr., et al.: Am. Heart. J., 97, 119 (1979); Atarashi, H., et al.: Circulation. J., 66, 553 (2002);<br></p>

<p>Applications Rosuvastatin Methyl Ester is an impurity of Rosuvastatin (R700500) in the pharmaceutical dosage forms under forced degradation conditions.<br>References Lennernas, H., et al.: Clin. Pharmacokinet., 32, 403 (1997), Kivisto, K., et al.: Br. J. Clin. Pharmacol., 46, 49 (1998), Lan, K., et al.: J. Pharm. Biomed. Anal., 44, 540 (2007),<br></p>

<p>Applications Stavudine 5-O-β-Glucuronide is the O-glucuronide derivative of Stavudine (S685250); a reverse transcriptase inhibitor and antiviral.<br>References Mansuri, M.M., et al.: Antimicrob. Ag. Chemother., 34, 637 (1990); Cretton, E.M., et al.: Antimicrob. Ag. Chemother., 37, 1816 (1993); Browne, M.J., et al.: J. Infec. Dis., 167, 21 (1993)<br></p>

<p>Applications Triclosan (3',5',6'-d3) O-β-D-Glucuronide Sodium Salt is an isotope labelled compound of Triclosan O-β-D-Glucuronide Sodium Salt (T774260), a metabolite of Triclosan (T774250).<br>References Moss, T. et al.: Food Chem. Toxicol., 38, 361 (2000); Wu, J. et al.: Sepu, 27, 724 (2009);<br></p>

<p>Applications U 75875, is a peptidomimetic inhibitor, that inhibits HIV-1 gag-pol protein. In human peripheral blood mononuclear cells and in a continuous cell line, U-75875 completely blocked HIV replication, so it can be used as therapeutic potential of protease inhibitors for treatment of HIV infection.<br>References Ashorn, P., et al.: Proceedings of the National Academy of Sciences of the United States of America, 87, 7472 (1990);<br></p>

<p>Applications 4-(2-Propyn-1-yloxy) Trimethoprim is an analog of T795615, which is an antibacterial compound and a contaminant of emerging concern (CECs).<br>References Manius, G.J., et al.: Anal. Profiles Drug Subs., 7, 445 (1978), Roth, B., et al.: J. Med. Chem., 23, 379 (1980), Brogden, R.N., et al.: Drugs, 23, 405 (1982),<br></p>

<p>Applications Ganciclovir derivative.<br>References Albers, E., et al.: J. Pharm. Sci., 81, 756 (1992), Dias, C., et al.: J. Pharm. Sci., 91, 6607 (2002), Macha, S., et al.: Drug Metab. Dispos., 30, 670 (2002),<br></p>

<p>Applications Cycloester Erythromycin Enol Ether is derived from Erythromycin A Enol Ether (E649970), which is an impurity of Erythromycin.<br>References McGuire, J.M., et al.: Antibiot. Chemother., 6, 281 (1952), Steffansen, B., et al.: Int. J. Pharm., 56, 159 (1989), Goldman, R.C., et al.: Antimicrob. Agents Chemother., 34, 1973 (1990)<br></p>

<p>Applications Trichloro[2-(chloromethyl)-2-propen-1-yl]silane is an intermediate used in the synthesis of 2-​(Chloromethyl)​allyl-​trimethylsilane (C371430), which is one of the reagents to synthesize Leucasandrolide A Macrolide (I) via Mukaiyama aldol coupling.2-​(Chloromethyl)​allyl-​trimethylsilane was used in catalytic Sakurai reaction of α,​β-​enones.<br>References Kopecky, D., et al.: J. Am. Chem. Soc., 123, 8420 (2001).Lee, P., et al.: J. Org. Chem., 66, 8646 (2001).<br></p>