Toxicology

Applications N-Methyl-1,3,5-triazine-2,4-diamine Metformin is an impurity of Metformin (M258858), which is a useful research chemical. This impurity can be used to prepare pyrazolo[1,5-a]pyrimidin-7(4H)-ones as methionine adenosyltransferase 2A inhibitors to treat cancer. It can also be used to prepare pyrazolopyrimidinones as inhibitors of cellular metabolic processes.
References Konteatis, Z.D., et.al., PCT Int. Appl., 474,(2018); Konteatis, Z.D., et.al., U.S.Pat Appl.Publ., 289,(2018);

Applications Methyl 2-((((Benzyloxy)carbonyl)amino)methyl)-5-hydroxy-6-oxo-1,6-dihydropyrimidine-4-carboxylate is an intermediate used in the synthesis of N-((5-Hydroxy-6-oxo-4-((2,4,6-trifluorobenzyl)carbamoyl)-1,6-dihydropyrimidin-2-yl)methyl)-1,3,4-oxadiazole-2-carboxamide (H950690), which is a derivative of Raltegravir (R100305), a potent integrase (IN) inhibitor for WT and S217Q PFV IN.
References Hare, S., et al.: Proc. Natl. Acad. Sci. U. S. A., 107, 20057 (2010); Hicks, C., et al.: Clin. Infect. Dis., 48, 931 (2009); Moss, D., et al.: Antimicrob. Agents Chemother., 56, 3020 (2012); Hare, S., et al.: Mol. Pharmacol., 80, 565 (2011)

Applications Ceftiofur intermediate.

Applications Labelled Clonazepam (C587080) metabolite.
References Huang, W., et al.: J. Anal. Toxicol., 19, 333 (1995), Rittner, M., et al.: J. Anal. Toxicol., 25, 115 (2001),

Applications Labeled rac-Ambrisentan (A575860) Nonpeptide endothelin ETA receptor antagonist. Antihypertensive.
References Riechers, H., et al.: J. Med. Chem., 39, 2123 (1996), Billman, G.E., et al.: Curr. Opin. Invest. Drugs, 3, 1483 (2002), Vatter, H., et al.: Clin. Neuropharmacol., 26, 73 (2003),

Applications Used in the preparation of triazole antifungal agents.

Applications Sofosbuvir (R)-Phosphate is an impurity of PSI-7977 (P839640), a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro-β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Studies have profiled PSI-7977 as a nucleotide inhibitor of hepatitis C virus, exerting selective inhibitory effects towards HCV NS5B polymerase.
References Lam, A.M.,et al.: Antimicrob. Agents. Chemotherapy., 56, 3359 (2012); Lam, A.M., et al.: J. Virol., 85, 12334 (2011); Sofia, M.J., et al.: J. Medn. Chem., 53, 7202 (2010)

Applications A metabolite of 6β-Naltrexol (N285700). Narcotic antagonist.
References Portoghese, P. et al,: J. Med. Chem., 37, 579 (1994); Ohkawa, S., et al.: J. Med. Chem., 41, 4177 (1998);

Applications 1-Isocyanato-4-nitrobenzene is a useful synthetic intermediate. It can be used as a reactant in the synthesis of potent human NK1 tachykinin receptor antagonist. It can also be used to prepare N-{2-[(7-chloroquinolin-4-yl)amino]ethyl}ureas with antiprotozoal and antimycobacterial activities.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Walpole, C., et al.: J. Med. Chem., 41, 3159 (1998); Nava-Zuazo, C., et al.: Bioorg. Med. Chem., 18, 6398 (2010)

Applications Midazolam-13C2 is the labeled analogue of Midazolam (M343000), an anesthetic; anticonvulsant; sedative; hypnotic.
References Dundee, J. W., et al.: Drugs, 28, 519 (1984); Lahat, E., et al.: Br. Med. J., 321, 83 (2000)

Applications Testosterone Hexanoate-d11 is the isotopic analog of Testosterone Hexanoate. Testosterone Hexanoate is a metabolite of testosterone(T155000), which is used in analytical studies to determine the use of anabolic steroid esters and related compounds in equine hair sample though ultra high performance liquid chromatography-tandem mass spectrometry.
References Gray, B.P., et al.: Analtica Chemica Acta, 787, 163 (2013); McKinney, A., et al.: Bioanalysis 1, 785 (2009)

Applications N,9-O-Diacetylneuraminic Acid is a primary receptor determinant of influenza C virus.
References Rogers, G., et al.: J. Biol. Chem., 261, 5947 (1986); Herrler, G., et al.: EMBO J., 4, 1503 (1985);

Applications Ganciclovir derivative.
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),

Applications Fenoxaprop-ethyl is a pesticide.
References Chen, L., et al.: Anal. Bioanal. Chem., 406, 1481 (2014); Yoshida, M., et al.: J. Toxicol. Sci., 38, 205 (2013); EPA: Federal Register, 78, 78746 (2013); EPA: Federal Register, 79, 26158 (2014)

Applications 4-(2-Propyn-1-yloxy) Trimethoprim is an analog of T795615, which is an antibacterial compound and a contaminant of emerging concern (CECs).
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),

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.
References Ashorn, P., et al.: Proceedings of the National Academy of Sciences of the United States of America, 87, 7472 (1990);

Applications Triphenyltin Hydroxide is an organotin compound. Triphenyltin Hydroxide is used as a fungicide and antifeeding compound for insect control (1,2). Recent studies show that Triphenyltin Hydroxide may have adverse effects on the reproductive and immune systems and may disrupt the endocrine system (3). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References 1. Sarpa M. et al.: J. Toxicol. Environ. Health. A. 2010;73(13-14):965-712. Soderquist, J. et al.: J. Agric. Food. Chem. Jan:28(1);111-1173. Golub, M. et al.: J. Toxicol. Environ. Health B. Crit. Rev. 2004 Jul-Aug;7(4):281-95

Applications o-Carbomethoxybenzyl Sulfonamide is a useful reactant in organic synthesis.
References Jiang, Lin, et al.: Youji Huaxue, 26(2), 203-206 (2006)

Impurity Anastrozole Diacid Impurity
Applications Anastroloze Diacid is a derivative of Anastrozole (A637425), an aromatase inhibitor. Used as an antineoplastic. Anastrozole Diacid Imp
References Plourde, P.V., et al.: Breast Cancer Res. Treat., 30, 103 (1994), Buzdar, A.U., et al.: Cancer, 79, 730 (1997)

Applications Bisphenol AP Mono-β-D-glucuronide is a metabolite of Bisphenol AP (B519485), which is used to prepare triphenylmethane derivatives as inhibitors of hepatitis C virus helicase. Bisphenol AP is a derivative of Bisphenol A (B519495) which is a monomer used for policarbonate and epoxy resins.
References Krishnan, A.V., et al.: Endocrinology, 132, 2279 (1993); Steinmetz, R., et al.: Trends Endocrinol. Metab., 9, 124 (1998); Petersen, H., et al.: Eur. Food Res. Technol., 216, 355 (2003); Chen, C., et al.: J. Med. Chem., 52, 2716 (2009);

Applications Thiamine (T344185) derivative used in the treatment of neurogenic bladder dysfunction. It is absorbed from the intestine and rapidly metabolized into thiamine in the blood. Studies suggest that it has stimulant action on intestinal motility.
References Nihira, H. et al.: Hinyok. Kiyo, 12, 823 (1966); Shiobara, Y. et al.: Bitamin, 37, 306 (1968); Kuriaki, K. et al.: Bitamin, 41, 30 (1970);

Applications N-(6-Bromo-4-hydroxyquinazolin-2-yl)guanidine (CAS# 74189-10-9) is a useful research chemical compound.

Applications Vidarabine, is an antiviral drug which is active against herpes simplex and varicella zoster viruses.
References Sneader, W., et al.: Drug Discovery, 258 (2005); Lee, W. W., et al.: J. Am. Chem. Soc., 82, 2648 (1960);

Applications Protected Moxifloxacin metabolite.

Applications 4-(5-Bromothiophen-2-yl)benzonitrile (CAS# 415718-60-4) is a useful research chemical compound.

Applications Used in the preparation of antifungal agents.
References Del Poeta, M. et al.; Antimicrob. Agents Ch., 42, 2495 (1998)

Applications 2-(Benzyloxy)-1-propanol is used to prepare amino diol HIV-protease inhibitors. It is also used to synthesize diphenyl-substituted amino alcohols as protease inhibitors.
References Chen, P., et al.: J. Med. Chem., 39, 1991 (1996); Gordon, E., et al.: Eur. Pat. Appl. (1994), EP 580402 A2 19940126