Quinazoline and Quinoline Derivatives

<p>Applications 5-(2-Fluorophenyl)-5-oxovaleric Acid is used as a reagent in the preparation of indole derivatives which act as cell protective agents. It is also used as a reagent in the catalytic N-nitroso aldol reaction of γ,δ-unsaturated δ-lactones.<br>References Yamamoto, I., et al.: Preparation of indole derivatives as cell protective agents, WO Patent 9745410, Dec 4, 1997; Yanagisawa, A., et al.: Org. Lett., 14, 2434 (2012);<br></p>

<p>Applications 4-(Methylamino)-3-nitrobenzoic Acid (cas# 41263-74-5) is a compound useful in organic synthesis.<br></p>

<p>Applications N-Desethyl Sunitinib-d4 Maleate, is the labeled analogue of N-Desethyl Sunitinib (D289650), a metabolite of Sunitinib (S820000).<br>References Sun, L., et al.: J. Med. Chem., 46, 1116 (2003), Mendel, D.B., et al.: Clin. Cancer Res., 9, 327 (2003), Sistla, A., et al.: Drug Dev. Ind. Pharm., 30, 19 (2004), Sakamoto, K.M., et al.: Curr. Opin. Invest. Drugs, 5. 1329 (2004),<br></p>

<p>Applications 3-Hydroxy-1-methyl-1-Azoniabicyclo[2.2.2]octane is an impurity in the synthesis of Clidinium Bromide (C576250), an anticholinergic. Used as an antispasmodic.<br>References Zhang, L., et al.: Pharm. Res., 25, 1902 (2008), Sanderson, H., et al.: Toxicol Lett., 187, 84 (2009),<br></p>

<p>Applications N-Methyl-4-[4-[[[[3-(trifluoromethyl)phenyl]amino]carbonyl]amino]phenoxy]-2-pyridinecarboxamide is an impurity of Sorafenib (S676850); a multiple kinase inhibitor targeting both RAF and receptor tyrosine kinases that promote angiogenesis. Also antineoplastic.<br>References Richly, H., et al.: Int. J. Clin. Pharmacol. Ther., 41, 620 (2003); Khire, U.R., et al.: Bioorg. Med. Chem. Lett., 14, 783 (2004); Wilhelm, S.M., et al.: Cancer Res., 64, 7099 (2004); Rini, B.I., et al.: Expert Opin. Pharmacother., 7, 453 (2006)<br></p>

<p>Impurity Paroxetine EP Impurity F<br>Applications Methylene-Bis Paroxetine Dihydrochloride (Paroxetine EP Impurity F) is used in the chiral HPLC method for chiral purity determination of Paroxetine drug substance.<br>References Zukowski, J., et al.: Chirality, 15, 600 (2003),<br></p>

<p>Applications A novel labelled inhibitor of human immunodeficiency virus type 1 integrase.<br>References Chou, T., et al.: Eur. J. Biochem., 115, 207 (1981), Baba, M., et al.: Antimicrob. Agents Chemother., 31, 1613 (1987), Craigie, R., et al.: J. Biol. Chem., 276, 23213 (2001), Chen, X., et al.: J. Mol. Biol., 380, 504 (2008),<br></p>

<p>Applications Brivaracetam-d7 (Mixture of Diastereomers), is a mixture of 2 diastereomers of Brivaracetam-d7 (B677647), and a labeled analogue of Brivaracetam (B677645), 4-n-propyl analog of levetiracetam (L331500), and a racetam derivative with anticonvulsant properties.<br>References Rosenstiel, P., et al.:Neurotherapeutics, 4 (1), 84 (2007); Malawska, B., et al.:, Curr. Opin. Investig. Drugs, 6(7), 740 (2005);<br></p>

<p>Applications Hydroxynorketamine is a metabolite of Ketamine (K165300, HCl salt) which is a medication used mainly for starting and maintaining anesthesia.<br>References Adams, J., et al.: Biomed. Mass Spec., 11, 527 (1981); Sass, W.C., et al.: Anal. Profiles Drug Subs., 6, 297 (1977); Reich, D.L., et al.: Can. J. Anaesth., 36, 186 (1989)<br></p>

<p>Applications D-phenylanaline derivative and an analog Nateglinide (N379375) with similar hypoglycemic activity.<br>References Shinkai, H. et al.: J. Med. Chem., 32, 1436 (1989);<br></p>

<p>Applications 5-​Chloro-​6-​(piperidin-​1-​yl)​pyrimidine-​2,​4-​diamine is used for biological studies and has potential use in pharmaceutical compositions.<br>References Xiang, F.: Faming Zhuanli Shenqing. 39 pp. (2019)<br></p>

<p>Impurity Nizatidine EP Impurity H<br>Applications 2-(Dimethylamino)thioacetamide (Nizatidine EP Impurity H) is used in the preparation of thiazole derivatives. 2-(Dimethylamino)thioacetamide is an impurity of the histamine H2-receptor antagonist Nizatidine (N598500).<br>References Johnson, R.A. et al.: J. Org. Chem., 57, 2869 (1992):<br></p>

<p>Stability Hygroscopic<br>Applications (6S)-N6-[3-[[(6S)-2-Amino-4,5,6,7-tetrahydro-6-benzothiazolyl]amino]-1-ethyl-2-methylpropyl]-4,5,6,7-tetrahydro-2,6-benzothiazolediamine can be obtained from (-)-2-Amino-6-propionamido-tetrahydrobenzothiazole (A628150) and is the byproduct of process for the preparation of pramipexole and salts thereof by reductive amination of (diamino)tetrahydrobenzothiazole with propanal. It is also a Pramaxo Impurity C.<br>References Deo, K., et al.: Indian Pat. Appl. (2015), IN 2013MU02843 A<br></p>

<p>Applications A labelled glucuronide metabolite of Diphenhydramine (D486900) in humans.<br>References Breyer-Pfaff, U., et al.: Drug Metab. Dispos., 25, 340 (1997),<br></p>

<p>Impurity Ritonavir EP Impurity O<br>Applications 4-epi-Ritonavir (Ritonavir EP Impurity O) is an isomer of Ritonavir (R535000), a selective HIV protease inhibitor. It is a COVID19-related research product.<br>References Daluge, S., et al.: Antimicrob. Agents Chemother., 38, 1590 (1994), Ammaranond, P., et al.: J. Clin. Virol., 26, 153 (2003), Harrigan, P., et al.: J. Infect. Dis., 191, 339 (2005), Miller, J., et al.: Bioorg. Med. Chem. Lett., 16, 1788(2006)<br></p>

<p>Applications A metabolite of Celecoxib (C251000).<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 Penning, T., et al.: J. Med. Chem., 40, 1347 (1997), Paulson, S., et al.: Drug Metab. Dispos., 28, 308 (2000), Kirchheiner, J., et al.: Clin. Pharmacol. Ther., 71, 286 (2002),<br></p>

<p>Applications Des(methylpiperazinyl-N-methyl) Imatinib Dimer is an impurity of Imatinib (Gleevec) (G407000). Imatinib impurity E. It is a COVID19-related research product.<br></p>

<p>Applications Ticagrelor Sulfone is an impurity of ticagrelor (T437700). Ticagrelor, the first reversible oral P2Y12 receptor antagonist, provides faster, greater, and more consistent ADP-receptor inhibition than Clopidogrel. Used in the treatment of acute coronary syndromes (ACS).<br>References Matetzky, S., et al.: Circulation, 109, 3171 (2004), Bassand, J., et al.: Eur. Heart J., 28, 1598 (2007), Jakubowski, J., et al.: Cardiovasc. Drug Rev., 25, 357 (2007),<br></p>

<p>Applications 1,4,8,11-Tetraazacyclotetradecane is macrocyclic ligand that is used as an antioxidant in rubber and has been shown to suppress oxidation catalyzed by some metal ions.<br>References Goh, S.H.: Poly, Degrad, Stab., 8, 123 (1984);<br></p>

<p>Stability Hygroscopic<br>Applications Bendamustine (B132500) impurity.<br></p>

<p>Applications Efavirenz 1-Desamine-1-oxy is an analog of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor. Antiviral.<br>References Young, S.D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995)<br></p>

<p>Applications A novel anti-osteoporosis agent, by enhansing expression of the BMP-2 gene.<br>References Horiguchi, Y., et al.: Chem. Pharm. Bull., 52, 214 (2004), Joshi, E., et al.: Chem. Res. Toxicol., 17, 137 (2004), Liu, Z., et al.: Bioorg. Med. Chem. Lett., 19, 4167 (2009),<br></p>

<p>Applications 1-Methyl-1H-indazole-3-carboxylic Acid Anhydride is an impurity of Granisetron (G780000), a specific serotonin (5HT3) receptor antagonist and a antiemetic agent.<br>References Kilpatrick, G.J., et al.: Nature, 330, 746 (1987); Durig, T., et al.: J. Pharm. Sci., 86, 1092 (1997); Yuasa, H., et al.: Chem. Pharm. Bull., 44, 1361 (1996); Vishnu, E.V.R., et al.: Lett. Org. Chem., 8, 722 (2011);<br></p>

<p>Stability Hygroscopic<br>Applications Labelled rac FTY720 (F805010). rac FTY720 is a sphingosine 1-phosphate receptor modular, ameliorates experimental autoimmune encephalomyelitis by inhibition of T cell infiltration.<br>References Igarashi, J., et al.: J. Biol. Chem., 275, 32363 (2000), Bandhuvula, P., et al.: J. Biol. Chem., 280, 33697 (2005),<br></p>

<p>Applications Oprozomib is the second class of proteasome inhibitors with higher specificities and reduced toxicities, against head and neck squamous cell carcinoma.<br>References Zang, Y., et al.: Autophagy., 8, 1837 (2012); Zang, Y., et al.: Clin. Cancer. Res., 18, 5639 (2012); Mato, A.R., et al.: Oncologist., 17, 694 (2012); Zhou, H.J., et al.: J. Med. Chem., 52, 3028 (2009);<br></p>

<p>Impurity Paliperidone USP Related Compound D<br>Applications One of the major degradation product of Risperidone in bulk drug and pharmaceutical dosage forms. Paliperidone USP Related Compound D.<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 Leysen, J., et al.: J. Pharmacol. Exp. Ther., 247, 661 (1988), Huang, M., et al.: Pharm. Drug Dispos., 54, 257 (1993), Smyth, W., et al.: Anal. Bioanal. Chem., 378, 1305 (2004),<br></p>

<p>Applications Ethyl (2R,4S)-4-Methylpipecolate is an intermediate in the preparation of Argatroban (A769000).<br>References Hilpert, K. et al.: J. Med. Chem., 37, 3889 (1994), Kim, K. et al.: Med. Chem. Res., 6, 377 (1996),<br></p>

<p>Applications 4-{[(p-Fluorophenyl)imino]methyl}phenol is used in the preparation of benzylacetones which promote anti-fungal activity.<br>References Sandhar, R. et al.: J. Ind. Council Chem., 22, 32 (2005);<br></p>

<p>Applications Efavirenz penteneyne is an analog of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor and antiviral agent.<br>References Young, S.D., et al.: Antimicrob. Ag. Chemother., 39, 2602 (1995)<br></p>

<p>Impurity Nimodipine EP Impurity B<br>Applications 3-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine (Nimodipine EP Impurity B) can be used in synthetic preparation of dihydropyridinedicarboxylic acid esters by methylimidazolium trifluoroacetate-catalyzed Hantzsch cyclocondensation reaction of oxo-carboxylic acid esters with aldehydes and ammonium acetate. It can also be used as an analyte for analytical study in developing and optimizing a validated isocratic reversed-phase high-performance liquid chromatograhy separation of nimodipine and impurities in tablets using experimental. design methodology. It is an impurity of the drug Nimodipine (N478200).<br>References Avalani, J. R., et al.: J. Chem. Sci., 124, 1091-1096 (2012); Barmpalexis, P., et al.: J. Pharmaceut. Biomed., 49, 1192-1202 (2009)<br></p>

<p>Applications 4-Methyl-3-(4-pyridin-3-yl)pyrimidin-2-yl]amino-N-(5-(3-oxo-4-methyl-1H-imidazol-1-yl)-3-(trifluoromethyl)phenyl)benzamine is an impurity compound of Nilotinib (N465300), useful in the treatment of chronic myelogenous leukemia. It is a COVID19-related research product.<br>References Wei-Sheng H., et al.: Synthesis, 14, 2121 (2007); Corbin, A., et al.: J. Biol. Chem., 277, 32214(2002), Golemovic, M., et al.: Clin. Cancer Res., 11, 4941 (2005), Gleixner, K., et al.: Blood, 107, 752 (2006), Nicolini, F., et al.: Leukemia, 20, 1061 (2006),<br></p>

<p>Applications (S)-4-(4-(5-(AMINOMETHYL)-2-OXOOXAZOLIDIN-3-YL)PHENYL)MORPHOLIN-3-ONE (cas# 446292-10-0) is a useful research chemical.<br></p>

<p>Applications 2-(2-Methoxyethyl)phenol is used as a stabilizer in the preparation of polysiloxane based coating compounds with good stability.<br></p>

<p>Applications Intermediate in the preparation of 2,3-Desisopropylidene Topiramate, a metabolite of Topiramate<br></p>

<p>Applications 2-Des(5-methyl-1,3,4-oxadiazole-2-carboxamide) 2-(2-(2-Acetylhydrazinyl)-2-oxoacetamide) Raltegravir is an impurity of a potent human immunodeficiency virus (HIV) integrase inhibitor. A novel anti-AIDS drug.<br>References Wade, K., et al.: J. Pharmacol. Biomed. Anal., 8, 401 (1990), Hazuda, D., et al.: Science, 287, 646 (2000), Williams, J., et al.: Drug Metab. Dispos., 32, 1201 (2004), Duckett, C., et al.: Xenobiotica, 36, 59 (2006), Miners, J., et al.: Biochem. Pharmacol., 71, 1531 (2006), Summa, V., et al.: J. Med. Chem., 49, 6646 (2006),<br></p>

<p>Applications (-)-Nebivolol intermediate.<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 Furagin-13C3 is the isotope labelled analogue of the antibacterial Furagin (F863000).<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 Agace, W., et al.: J. Clin. Invest., 92, 780 (1993); Lawrenson, R., et al.: J. Antimicrob. Chemother., 48, 895 (2001); Dalhoff, A., et al.: Lancet Infect. Dis., 3, 359 (2003); Thumbikat, P., et al.: J. Immunol., 176, 3080 (2006);<br></p>

<p>Applications Labelled N-Methylepinephrine, the N-methylated analogue of the sympathomimetic hormone Epinephrine (E588585). Recent studies suggest that N-Methylepinephrine may be synthesized from Epinephrine by phenylethanolamine N-methyltransferase present in the brain.<br>References Kajita, M. et al.: Nip. Iyo Masu Sup. Gak. Kon., 19, 107 (1994); Plummer, C.J. et al.: Eur. J. Med. Chem., 148, 481 (1988);<br></p>

<p>Applications Fingolimod Stearoate Amide is an impurity of Fingolimod (F805000, HCl salt), a novel immune modulator that prolongs allograft transplant survival in numerous models by inhibiting lymphocyte emigration from lymphoid organs.<br>References Brinkmann, V., et al.: Transplantation, 72, 764 (2001), Brinkmann, et al.: J. Biol. Chem., 277, 24, 21453 (2002), Mtaloubian, M., et al.: Nature, 427, 355 (2004),<br></p>

<p>Applications 4’-Nitro-3’-(trifluoromethyl)acetanilide is a metabolite of the nonsteroidal antiandrogen drug, Flutamide (F598850).<br>References Kang, P. et al.: Drug Metab. Dispos., 36, 1425 (2008); Takashima, E. et al.: Biol. Pharmac. Bull., 26, 1455 (2003); Katchen, B. et al.: J. Invest. Dermatol., 66, 379 (1976);<br></p>

<p>Applications A labelled metabolite of Ebastine.<br>References Wiseman, L., et al.: Drugs, 51, 260 (1996), Takanori, H., et al.: Drug Metab. Dispos., 26, 566 (1998), Moss, A., et al.: Clin. Exp. Allergy 1999, 29, 200 (1999), Simons, F., et al.: Clin. Pharmacokinet., 36, 329 (1999), Hashizume, T., et al.: J. Pharmacol. Exp. Theor., 300, 298 (2002),<br></p>

<p>Stability Hygroscopic<br>Applications Omeprazole Sodium Salt is the salt analogue of Omeprazole (O635000), which binds covalently to proton pump. It inhibits gastric secretion. Used as an anttiulcerative.<br>References Muller, P., et al.: Arzneimittel-Forsch., 33, 1685 (1983); Wallmark, B., et al.: Biochim. Biophys. Acta., 778, 549 (1984); Morii, M., et al.: J. Biol. chem., 268, 21553 (1993); Ritter, M., et al.: Br. J. Pharmacol., 124, 627 (1998)<br></p>

<p>Applications Bis(3-methylthien-2-yl)methanone is an impurity of Tiagabine (T436400), a GABA uptake inhibitor and nticonvulsant agent.<br>References Zhang, J.G., et al.: Chem. Res. Chin. Uni., 22, 351 (2006); Callen, G., et al.: Heterocycles., 39, 293 (1994);<br></p>

<p>Impurity Rivastigmine EP Impurity B<br>Applications N-Desethyl N-Methyl Rivastigmine (Rivastigmine EP Impurity B) is an impurity of Rivastigmine (R541000), a brain selective acetylcholinesterase inhibitor. Nootropic.<br>References Rosler, M., et al.: Brit. Med. J., 318, 633 (1999), Enz, A., et al.: Prog. Brain Res., 98, 431 (1993),<br></p>

<p>Applications N-Aminocarbonyl Felbamate is an impurity of Felbamate (F231000), an antiepileptic, structurally similar to meprobamate.<br></p>

<p>Applications Labelled cis/trans-Chlorprothixene (C424850). Antipsychotic.<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 Rudy, B.C., et al.: Anal. Profiles Drug Subs., 2, 63 (1973), Bagli, M., et al.: Arzneim.-Forsch., 46, 247 (1996),<br></p>

<p>Applications Risperidone 9-Ethylidenecarboxylate Hydrochloride, is the derivative of Risperidone (R525000), which is combined serotonin (5-HT2) and dopamine (D2) receptor antagonist, used for the treatment of schizophrenia, bipolar disorder and behavior problems in people with autism.<br>References Tiberghien, F., et al.: Anticancer Drugs, 7, 568 (1996), Kansy, M., et al.: J. Med. Chem., 41, 1007 (1998), Kerns, E., et al.: J. Pharm. Sci., 90, 1838 (2001), Kerr, K., et al.: J. Biol. Chem., 276, 8657 (2001), Doran, A., et al.: Drug Metab. Dispos., 33, 165 (2005),<br></p>

<p>Applications (±)-Epinephrine-2,5,6,alpha,beta,beta-d6 (CAS# 1219803-77-6) is a useful isotopically labeled research compound.<br></p>

<p>Applications USP Paroxetine Related Compound E Mixture is a reference standard composed of Paroxetine Hydrochloride (P205750) spiked with 4-(4-Fluorophenyl)-1,2,3,6-tetrahydro-1-methyl-pyridine Hydrochloride (F595220). Paroxetine Hydrochloride (P205750) is a selective serotonin reuptake inhibitor. Used as an antidepressant. 4-(4-Fluorophenyl)-1,2,3,6-tetrahydro-1-methyl-pyridine Hydrochloride (F595220) is the active metabolite of 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) (M325910), N-Methyl-4-phenylpyridinium (MPP+), selectively destroys the dopaminergic neurons and induces the symptoms of Parkinson's disease.<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 Lassen, J.B.: Eur. J. Pharmacol., 47, 351 (1978), Lund, J., et al.: Acta Pharmacol. Toxicol., 51, 351, (1982); Gerlach, M., et al.: Eur. J. Pharmacol., 208, 273 (1991), Tipton, K., et al.: J. Neurochem., 61, 1191 (1993), Wimalasena, D., et al.: J. Biol. Chem., 279, 15298 (2004),<br></p>

<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 Intermediate in the preparation of Ticagrelor (T437700) and reversible P2Y12 receptor antagonists.<br>References Zhang, H. et al.; Bioorg. Med. Chem. Lett. 22, 3598 (2012); Springthorpe, B. et al.; Bioorg. Med. Chem. Lett. 17, 6013 (2007)<br></p>

<p>Applications Non-selective MAO-A/B inhibitor.<br>References Stout, S.C., et al.: J. Pharmacol. Exp. Ther., 300, 1085 (2002),<br></p>

<p>Applications Controlled substance. CNS stimulant. The less potent threo-enantiomer of Methylphenidate. The threo enantomers have shown that the pharmacological activity residues predominantly in the d-threo enantiomer.<br>References Greenblatt, E.N., et al.: J. Pharmacol. Exp. Ther., 131, 115 (1961), Padmanabhan, G.R., et al.: Anal. Profiles Drug Subs., 10, 473 (1981), Kuczenski, R., et al.: J. Pharmacol. Exp. Ther., 296, 876 (2001), Pelham, W.E., et al.: J. Consult. Clin. Psychol., 61, 506 (1993), Srinivas, N.R., et al.: Pharm. Res., 10, 14 (1993),<br></p>

<p>Applications Triciribine is an antitumor tricyclic nucleoside. Triciribine acts as a potent, small-molecule inhibitor of AKT phosphorylation in subjects with solid tumors contining activated AKT. Triciribine is also a selective inhibitor of HIV-1 and HIV-2, including strains known to be resistant to AZT or TIBO.<br>References Garrett, C.R. et al.: Invest. New Drugs, 29, 1381 (2011); Ptak, R.G. et al.: AIDS Res. Human Retrovir., 14, 1315 (1998); Bennett, L.L. et al.: BIochem. Pharmacol., 27, 233 (1978);<br></p>

<p>Applications δ-Valerolactam is a useful synthetic intermediate. It is an intermediate used to synthesize Cenicriviroc (C256550), an experimental drug candidate for the treatment of HIV infection. It is also a starting material for a new route to hexahydrojulolidines, using intramolecular 1,4-cycloaddition.<br>References Potts, K., et al. J. Org. Chem., 58, 5040 (1993); Klibanov, O., et al.: Curr. Opinion Invest. Drugs, 11, 940 (2010);<br></p>

<p>Applications Ketoconazole N-​Oxide is an impure analogue of Ketoconazole (K186000) which inhibits cytochrome P-450 dependent steps in the biosynthesis of steroid hormones in vivo. Antimetastatic and antineoplastic activity. Orally active 5-lipoxygenase and thromboxane synthase inhibitor.<br>References Lambert, A., et al.: Biochem. Pharmacol., 35, 3999 (1986), Van Wauwe, J.P. and Janssen, P.A.J., J. Med. Chem., 32, 2231 (1989), Nardone, P.A., et al.: . Surg. Res., 44, 425 (1988), Tucker, W.F.G., et al.: Br. Med. J., 293, 882 (1986)<br></p>

<p>Impurity Irbesartan Lactam Impurity<br>Applications 2-Butyl-1,3-diazaspiro[4.4]non-1-en-4-one is an intermediate of Irbesartan (Avapro) (I751000).<br>References Gillis, J., et al.: Drugs, 54, 885 (1997), Chando, T., et al.: Drug Metab. Disps., 26, 408 (1998), Hines, J., et al.: Eur. J. Pharmacol., 384, 81 (1999),<br></p>

<p>Impurity Captopril EP Impurity D<br>Stability Hygroscopic<br>Applications 3-Bromo-2-methylpropionic Acid (Captopril EP Impurity D) is used in the preparation of captopril selenium analogs as antioxidants and ACE inhibitors used as antihypertensive drugs.<br>References Bhuyan, B. et al.: Org. Biomol. Chem., 9, 1356 (2011);<br></p>

<p>Applications Labelled, primary metabolite of Tianeptine.<br>References Dresse, A., et al.: J. Clin. Pharmacol., 28, 1115 (1988), Grislain, L., et al.: Drug Metab. Dispos., 18, 804 (1990),<br></p>

<p>Applications A Labelled metabolite of Carvedilol which is a multiple-action, neurohormonal antagonist that is used in the treatment of hypertension.<br>References Schaefer, W.H., et al.: Drug Metab. Dispos., 26, 958 (1998).<br></p>

<p>Impurity Olanzapine ketolactam impurity<br>Applications A degradation product of Olanzapine (LY170053) (O253750) in solid oral formulations.<br>References Chakrabarti, J., et al.: J.Med. Chem., 25, 1133 (1982), Chafetz, L., et al.: J. Pharm. Sci., 73, 1186 (1984), Hartauer, K., et al.: Pharm. Dev. Technol., 5, 303 (2000),<br></p>

<p>Applications N-Cyano-N’,N”-bis[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]guanidine is an impurity of Cimetidine (C441650)<br>References Ellis, D. R., et al.: J. Chromatogr. A, 808, 269-275 (1998)<br></p>

<p>Applications 4,5-Dehydro Apixaban is an impurity of Apixaban (A726700), a potent, direct, selective, and orally active inhibitor of coagulation factor Xa. It is a potential new oral coagulant that may be useful prevention of venous thromboembolism in total hip, knee replacement orthopedic surgery and stroke in treatment of patient with venous thromboembolic disorder or with atrial fibrillation<br>References Luettgen, J.M. et al.: J. Enz. Inhib. Med. Chem., 26, 514 (2011); Glanis, T. et al.: J. Thromb. Thrombol., 31, 310 (2011); barrett, Y.C. et al.: Thromb. Haemos., 105, 181 (2011)<br></p>

<p>Applications DL-threo-Droxidopa-d3 Hydrochloride Salt Hydrate is an isotope labeled compound of DL-threo-Droxidopa (D689950), a synthetic amino acid precursor of Norepinephrine. An Antiparkinson.<br>References Bartholini, J., et al.: J. Pharmacol. Exp. Ther ., 193, 523 (1975), Kato, T., et al.: Biochem. Pharmacol., 36, 3051 (1987), Kawabata, A., et al.: Br J. Pharmacol., 111, 503 (1994)<br></p>

<p>Applications 3-Hydroxy Anagrelide-13C3 is a major labelled metabolite of Anagrelide, an antithrombotic.<br>References Fleming, J., et al.: Thromb. Res., 15, 373 (1979), Gillespie, E., et al.: Biochem. Pharmacol., 37, 2866 (1988), Mazur, E., et al.: Blood, 79, 1931 (1992), Wang, G., et al.: Br. J. Pharmacol., 146, 324 (2005), Wagstaff, A., et al.: Drugs, 66, 111 (2006),<br></p>

<p>Applications Agomelatine-d3 (acetamide-2,2,2-d3) (CAS# 1079389-38-0) is a useful isotopically labeled research compound.<br></p>

<p>Applications 1-Benzo[b]thien-4-yl-piperazine is the starting material to prepare piperazine-substituted benzothiophenes useful in treatment and prevention of mental disorders including CNS disorders.<br>References Yamashita, H., et al.: PCT Int. Appl., WO 2006112464 A1 20061026 (2006)<br></p>

<p>Applications The S-enantiomer of Arundic Acid. An astrocyte modulating agent, in acute ischemic stroke. A therapeutic agent for the treatment of neurodegenerative diseases including Alzheimer's disease and Parkinson’s disease.<br>References Uchida, Y., et al.: Brain Res., 481, 190 (1989), Tokunaga, M., et al.: Science, 277, 936 (1997), Sorbera, L., et al.: Drugs Future, 29, 441 (2004),<br></p>

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

<p>Applications Intermediate in the preparation of Risperidone (R525000) and it’s derivatives.<br></p>

<p>Applications t-Butyl 4-bromobutanoate is a useful research chemical for organic synthesis and other chemical and pharmaceutical processes.<br>References Brudeli, B., et al.: Bioorg. Med. Chem., 18, 8600 (2010); Colak, S., et al.: Macromolecules, 41, 8436 (2008)<br></p>

<p>Applications Toremifene (T547500) derivative. A triphenylalkene derivative with anti-estrogenic, and anti-tumor properties.<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>