Derivados de Quinazolina e Quinolina

<p>Impurity Fluconazole EP Impurity H<br>Applications 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-bromopropan-2-ol (Fluconazole EP Impurity H) is an impurity of the antifungal agent Fluconazole (F421000).<br>References Bourichi, H., et al.: STP Pharma Pratiques, 18, 285 (2008); Richard, K. et al.: Antimicrob. Ag. Chemother., 27, 832 (1985)<br></p>

<p>Applications The active metabolite of Triflusal; inhibits cardiac hypertrophy in vitro and in vivo by blocking the NF-κB signaling pathway.<br>References Bayon, Y., et al.: Br. J. Pharmacol., 126, 1359 (1999), Cabrero, A., et al.: Diabetes, 50, 1883 (2001), Cabrero, A., et al.: J. Biol. Chem., 277, 10100 (2002), Culebras, A., et al.: Neurology, 62, 1073 (2004),<br></p>

<p>Impurity Fluconazole EP Impurity G<br>Applications 1-[2-(2,4-Difluorophenyl)-2,3-epoxypropyl]-1H-1,2,4-triazole (Fluconazole EP Impurity G) 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 (S)-Crizotinib is the S-isomer of Crizotinib (C785000) and a novel potent, selective, and cell permeable MTH1 inhibitor. (S)-Crizotinib can also serve as a promising anticancer agent.<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 Huber, K.V.M., et al.: Nature, 508, 222 (2014)<br></p>

<p>Applications NN'-Bis(2-hydroxyethyl)urea (cas# 15438-70-7) is a useful research chemical.<br></p>

<p>Applications Bupivacaine Related Compound B (cas# 65797-42-4) is used as a reactant in the preparation of Ropivacaine hydrochloride monohydrate.<br>References Jaksch, P.: PCT Int. Appl. 16 pp. (1996)<br></p>

<p>Applications Carvedilol is a nonselective β-adrenergic blocker with α1-blocking activity. Carvedilol is an antihypertensive used in the treatment of congestive heart failure.<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 Hirohashi, M., et al.: Arzneim.-Forsch., 40, 735 (1990); Packer, M., et al.: N. Engl. J. Med., 334, 1349 (1996);<br></p>

<p>Applications Gabapentin enacarbil is a prodrug of the anticonvulsant gabapentin (G117250).<br>References Cundy, K., et al.: J. Pharmacol. Exp. Ther., 311, 315 (2004); Lal, R., et al.: Clin. Ther., 31, 1776 (2009)<br></p>

<p>Applications 2-Picoline is used as a reagent in the synthesis of 2-Picolineborane, a non-toxic alternative to sodium borohydride for the labelling of oligosaccharides.<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 Renee Ruhaak, L., et al.: Proteomics, 10, 2330 (2010)<br></p>

<p>Applications Antidepressant.<br>References Takahashi, R., et al.: J. Int. Med. Res., 7, 7 (1979), Jue, S.G., et al.: Drugs 24, 1 (1982)<br></p>

<p>Applications Nilotinib (AMN1O7) might be useful in treatment of chronic myelogenous leukemia. It is a COVID19-related research product.<br>References 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 2,4-Thioxylenol is a building block that has been used as a reactant for the preparation of Dibenzothiophene derivatives via palladium catalyzed aryl(alkyl)thiolation of unactivated arenes.<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 Saravanan, P., Anbarasan, P.: Org. Lett., 16, 848 (2014)<br></p>

<p>Applications Des(methylpiperazinyl) Imatinib Dimer Piperazinium Chloride is an impurity of Imatinib Mesylate (G407000), a tyrosine kinase inhibitor. Highly specific for BCR-ABL, the enzyme associated with chronic myelogenous leukemia (CML) and certain forms of acute lymphoblastic leukemia (ALL). It is a COVID19-related research product.<br>References Schindler, T., et al.: Science, 289, 1938 (2000); Drucker, B.J., et al.: N. Engl. J. Med., 344, 1031 (2001)<br></p>

<p>Applications N-[4-Nitro-3-(trifluoromethyl)phenyl]-propanamide is an impurity of flutamide (F598850). Flutamide is a nonsteroidal antiandrogen drug; antineoplastic (hormonal).<br>References Neri, et al.: Endocrinology, 91, 427 (1972), Sogani, P.C., et al.: J. Urol., 122, 640 (1979), Greenway, B.A., et al.: Br. Med. J., 316, 1935 (1998),<br></p>

<p>Applications Labelled Dacarbazine (D101400). Dacarbazine is used as an antineoplastic for treatment of malignant melanoma and sarcomas.<br>References Shealy, et al.: Biochem. Pharmacol., 11, 674 (1962), Carter, et al.: Eur. J. Cancer, 8, 85 (1972),<br></p>

<p>Impurity Naloxone EP Impurity C<br>Applications 10α-Hydroxy Naloxone is a hydroxylated analog of the opioid antagonist Naloxone (N285000(P)), which is a specific opioid antagonist; narcotic antagonist.<br>References Jasinski, D.R., et al.: J. Pharmacol. Exp. Ther., 157, 420 (1967), McNicholas, L.F., et al.: Drugs, 27, 81 (1984), Hasson, M.M.A., et al.: Anal. Profiles Drug Subs., 14, 453 (1985), Stowe, C., et al.: Ann. Pharmacother., 27, 447 (1993)<br></p>

<p>Applications 2-[4-[2-(1-Piperidinyl)ethoxy]benzoyl]benzoic Acid is a research reagent with antispasmodic<br>References Bal-Tembe, S., et al.: Bioorg. Med. Chem., 5, 1381(1997);Punekar, N., et al.: Biotech. App. Biochem, 14, 378 (1991);<br></p>

<p>Applications ent-Rivaroxaban is the R-isomer of Rivaroxaban (R538000), which is a novel antithrombotic agent. A highly potent and selective, direct FXa inhibitor.<br>References Ansell, J., et al.: Drugs, 64, 1 (2004), Eriksson, B., et al.: J. Thromb. Haemost., 3, 103 (2005), Kubitza, D., et al.: Clin. Pharmacol. Ther., 78, 412 (2005),<br></p>

<p>Applications Myristicin Acid Methyl Ester is an intermediate in the synthesis of natural dihydrostilbenes with significant cytotoxicity toward human cancer cell lines.<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 Kobayashi, H., et al.: J. Antibiotics, 49, 873 (1996), Belguendouz, L., et al.: Biochem. Pharmacol., 53, 1347 (1997), Mu, F., et al.: J. Med. Chem., 46, 1670 (2003), Lee, J., et al.: Bioorg. Med. Chem., 14, 2022 (2006),<br></p>

<p>Applications Anticonvulsant.<br>References Bogue, C., et al.: Br. J. Pharmacol., 8, 230 (1953), Daley, R.D., Anal. Profiles Drug Subs., 2, 409 (1973),<br></p>

<p>Applications Metomidate Hydrochloride is used as an anesthetic for veterinary use.<br>References Harvey, B., et al.: Vet. Rec. 122(8), 174-7 (1988); Green, C. J., et al.: Lab. Anim., 15(2), 171-5 (1981); Cadle, D. R., et al.: Vet. Rec., 98(5), 91-2 1976); Massee, K. C., et al.: Aquaculture, 134(3-4), 351-359 (1995)<br></p>

<p>Impurity Ranitidine EP Impurity G<br>Stability Hygroscopic<br>Applications 5,6-Dihydro-3-(methylamino)-2H-1,4-thiazin-2-one Oxime Hydrochloride (Ranitidine EP Impurity G) is a Ranitidine HCl (R120000) impurity.<br>References Wu, V., et al.: Pharmazie, 55, 508 (2000), Salameh, A., et al.: J. Food Sci., 71, E10 (2006),<br></p>

<p>Applications A novel peripheral dopamine receptor antagonist that does not cross the blood-brain barrier; anti-emetic.<br>References Baudry, M., et al.: Arch. Pharmacol., 308, 231 (1979), Ennis, C., et al.: J. Pharm. Pharmacol., 31, 14 (1979), Brogden, R.N., Drugs, 24, 360 (1982),<br></p>

<p>Applications Cabozantinib Des-O-fluoroaniline is a degradation product of Cabozantinib(C051500). Cabozantinib is a small molecule C-Met modulator. Cabozantinib shows dose-dependent inhibition of tumor growth and tumor regression, associated with disruption of the tumor vasculature and extensive tumor cell apoptosis.<br>References Camp, R., et al.: Cancer, 86, 2259 (1999), Morello, S., et al.: J. Cell Physiol., 189, 285 (2001), Zhang, Y., et al.: Oncogene, 21, 217 (2002), Wells, S., et al.: J. Clin. Oncol., 28, 767 (2010); Wu, C., et al.: J. Pharm. Biomed. Anal., 98, 356 (2014)<br></p>

<p>Impurity Valsartan USP Related Compound E<br>Applications Valsartan Methyl Ester (Valsartan USP Related Compound E) is an analog of Valsartan (V095750), is a nonpeptide angiotensin II AT1-receptor antagonist. Antihypertensive.<br>References Criscione, L., et al.: Brit. J. Pharmacol., 110, 761 (1993), Muller, P., et al.: Eur. J. Clin. Pharmacol., 47, 231 (1994)<br></p>

<p>Stability Hygroscopic<br>Applications Plerixafor is a hematopoietic stem cell (HSC) mobilizer that inhibits the CXCR4 chemokine receptor and blocks binding of its ligand, stromal cell-derived factor-1-α (SDF-1-α). This agent was approved on Dec. 15, 2008, as treatment in combination with granulocyte-colony stimulating factor (G-CSF) to mobilize HSCs to the peripheral blood for collection and subsequent autologous transplantation in patients with non-Hodgkin's lymphoma (NHL) and multiple myeloma (MM). Selective CXCR4 antagonist.<br>References Xie, T., et al.: Science, 290, 328 (2000), Leone, D., et al.: J. Pharmacol. Exp. Ther., 305, 1150 (2003), Chigaev, A., et al.: J. Immunol. 178, 6828 (2007), Kiel, M., et al.: Cell Stem Cell, 1, 204 (2007),<br></p>

<p>Applications A neonicotinoid insecticide. Reports show that when exposed to neonicotinid pesticides honeybees have probelms returnign home after foraging and bumblebee colonies grow poorly and produce fewer queens. Useful in cannabis testing kits as a component of pesticide mixes (P698240).<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 Oliver, J., et al.: J. Environ. Horticult., 28, 135 (2010), Ghosh, A., et al.: J. Entomol. Res., 34, 35 (2010), Chem. and Eng. News 90: 10 (2012)<br></p>

<p>Applications Labelled impurity C of Phenylephrine.<br>References Bodor, N., et al.: J. Med. Chem., 31, 100 (1988), Goskonda, V., et al.: J. Pharm. Sci., 88, 180 (1999),<br></p>

<p>Stability Hygroscopic<br>Applications Antagonist of dibutyryl cyclic-AMP in the regulation of narcosis.Norepinephrine modulates human dendritic cell activation by altering cytokine release.<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 Piguet, P., et al.: J. Exp. Med., 173, 673 (1991), Hosoi, J., et al.: Nature, 363, 159 (1993), Elenkov, I., et al.: Pharmacol. Rev., 52, 595 (2000), Kaplan, D., et al.: Immunity, 23, 611 (2005),<br></p>

<p>Impurity Captopril EP Impurity G<br>Applications 3-Acetylthio-2-methylpropionic Acid (Captopril EP Impurity G) is a key intermediate for Captopril (C175750) and other hypertension drugs.<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 Cushman, D., et al.: Biochem., 16, 5484 (1977), Ondetti, M., et al.: J. Med. Chem., 24, 355 (1981), Tseng, T., et al.: Cancer Lett., 62, 233 (1992),<br></p>

<p>Applications An impurity of Isoniazid (I821450), which is an antibiotic for treatment of Mycobacterium tuberculosis and inhibits mycolic acid biosynthesis. Intermediate used for the synthesis of analogs of antitumor agent 1-acetyl-2-picolinoylhydrazine.<br>References Brewer, G.A., et al.: Anal. Profiles. Drug. Subs., 6, 183 (1977), Weber, W.W., et al.: Clin. Pharmacokinet., 4, 401 (1979); Rutner, H., et al.: Cancer. Chem. Rep., 58, 803 (1974)<br></p>

<p>Impurity Topiramate Impurity B<br>Applications A metabolite of Topiramate.<br>References Maryanoff, B., et al.: J. Med. Chem., 30, 880 (1987), Shank, R., et al.: Epilepsia, 35, 450 (1994), Streeter, A., et al.: Drug Metab. Disp., 23, 90 (1995),<br></p>

<p>Impurity Celecoxib EP Impurity B<br>Applications N-De(4-sulfonamidophenyl)-N’-(4-sulfonamidophenyl) Celecoxib (Celecoxib EP Impurity B) is an isomeric impurity of Celecoxib (C251000) with selective inhibitory activity against human cyclooxygenase-2. USP Celecoxib Related Compound B<br>References Talley, J.J. et al.: Actual. Chim. Therap., 25, 123 (1999); Rao, R. et al.: Anal. Sci., 22, 1257 (2006);<br></p>

<p>Stability Light Sensitive<br>Applications 1-(2,6-Dimethylphenyl)-1,5,6,7-tetrahydro-2H-azepin-2-one is an impurity of the local anesthetic Levobupivacaine (B689546).<br></p>

<p>Applications A labelled Epinephrine (E588585) derivative formed in injection solutions and eye drops during sterilization and storage of L-Epinephrine Bitartrate.<br>References De Mol, N.J. et al.: Pharmac. Week., 117, 1 (1982); Liu, C. et al.: Yao. Fen. Zaz., 2, 200 (1982);<br></p>

<p>Applications Angiotensin-converting enzyme (ACE) inhibitor. Hydrolyzed in vivo to the active diacid metabolite.<br>References Qizumi, K., et al.: Jpn. J. Pharmacol., 48, 349 (1988), Arita, M., et al.: Clin. Exp. Pharmacol. Physiol., 21, 195 (1994), Tokunaga, S., et al.: Drug Invest., 7, 161 (1994)<br></p>

<p>Impurity Carbinoxamine Related Compound C<br>Applications Desmethyl Doxylamine Oxalate is an impurity of Doxylamine (D562000), an H1 Histamine receptor antagonist used as a antihistaminic and sedative agent.<br>References Pande, S.S., et al.: Int. J. Pharmtech. Res., 3, 209 (2011); Tiford, C.H., et al.: J. Am. Chem. Soc., 70, 4001 (1948);<br></p>

<p>Impurity Doxylamine EP Impurity D<br>Applications 2-Benzoylpyridine is used as a reagent to assist crosslinking in acrylic coating compounds in the polymers industry. 2-Benzoylpyridine is also a precursor for thioemicarbazone compounds that exhibit high cytotoxic activity against human leukemia cell lines and also posesses some antiinflammatory qualities.<br>References Hardtmann, G., et al.: J. Med. Chem., 12, 1093 (1969); Reis, D., et al.: Eur. J. Med. Chem., 45, 3904 (2010); Bassi, G., et al.: Polym. Paint. Col. J., 177, 206 (1987);<br></p>

<p>Applications A D1, D2 dopamine receptor antagonist; butyrophenone antipsychotic and anti-emetic. Neuroprotective agent.<br>References Yelnosky, J., et al.: Toxicol. Appl. Pharmacol., 6, 37 (1964), Janicki, C.A., et al.: Anal. Profiles Drug Subs., 7, 171 (1978), Hamik, et al.: Cancer Chemother. Pharmacol., 24, 307 (1989), Heyer, E.J., et al.: Brain Res., 863, 20 (2000),<br></p>

<p>Applications L-Phenylacetylcarbinol ( (L-PAC) obtained by biotransformation of benzaldehyde.<br>References Ellaiah, P., et al.: Ind. Drugs, 24, 192 (1987), Nikolova, P., et al.: Biotechnol. Bioeng., 38, 493 (1991), Shin, H., et al.: Biotechnol. Bioeng., 49, 52 (1996),<br></p>

<p>Applications 5-Methoxy-2-(4-methoxy-3,5-dimethylpyridin-2-yl)-1H-benzo[d]imidazole is an impurity 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 Shows antiulcer activity in rats.<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 Uchida, M., et al.: Chem. Pharm. Bull., 33, 3775 (1985), Yamasaki, K., et al.: Eur. J. Pharmacol., 142, 23 (1987),<br></p>

<p>Applications N-(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)glycyl-L-proline, is a metabolite of Vildagliptin (V305000), a class of oral anti-hyperglycemic agents that inhibit dipeptidyl peptidase 4 (DPP-4), which can act as a serine exopeptidase.<br>References Ahren, B., et al.: J. Clin. Endocrinol. Metab., 89, 2078 (2004), Ahren, B., et al.: Diabetes Care, 27, 2874 (2004), Barlocco, D., et al.: Curr. Opin. Invest. Drugs, 5, 1094 (2004),<br></p>

<p>Impurity Agomelatine Impurity 1<br>Applications 3,4-Dihydroagomelatine is an impurity of Agomelatine (A430000) which is a melatoninergic agonist and selective antagonist of 5-HT2C receptors and used in the treatment of major depressive disorder. Agomelatine Impurity 1<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 Yous, S., et al.: J. Med. Chem., 35, 1484 (1992), Zhdanova, I., et al.: J. Clin. Endocrinol. Metab., 86, 4727 (2001), Cajochen, C., et al.: J. Pineal Res., 35, 149 (2003),<br></p>

<p>Impurity Ziprasidone EP Impurity D<br>Applications (5,5’-Bis(2-(4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6,6’-dichloro-3-hydroxy-3,3’-biindoline-2,2’-dione) (Ziprasidone EP Impurity D) is a compound related to Ziprasidone (Z485000), which is a combined serotonin (5HT2) and dopamine (D2) receptor antagonist. Used as an antipsychotic.<br>References Bench, C.J., et al.: Psychopharmacology, 112, 308 (1993), Goldstein, J.M.: Exp. Opin. Invest. Drugs, 4, 291 (1995)<br></p>

<p>Applications A bronchodilator.<br>References Daly, J. W., et al.: J. Med. Chem., 9(3), 273 (1966).<br></p>

<p>Applications Praziquanamine, as the main intermediate for synthesizing antiparasitic agent Praziquantel (P702095).<br>References Dong, Y., et al.: Bioorg. Med. Chem. Lett., 20(8), 2481 (2010)<br></p>

<p>Applications Boc-(S)-3-Amino-4-(2,4,5-trifluorophenyl)butyric Acid is a reactant used in the preparation of peptidase IV inhibitors.<br>References Park, W. et al.: Bioorg. Med. Chem. Lett., 21, 1366 (2011);<br></p>

<p>Applications N-Nitrosomorpholine-d8 (CAS# 1219805-76-1) is a useful isotopically labeled research compound.<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 Deshydroxyethoxy Ticagrelor analog of Ticagrelor (T437700) an antiplatelet agent, and preventative in the treatment of heart attacks, myocardial infarction, and other pulmonary diseases.<br>References Zhang, H. et al.: Bioorg. Med. Chem. Lett., 22, 3598 (2012);<br></p>

<p>Applications Uvinul A Plus is a component of cosmetic emulsion with UV protection.<br>References Chang, M., et al.: J. Food Drug Anal., 9, 199 (2001), Simeoni, S., et al.: J. Pharm. Biomed. Anal., 38, 250 (2005), Vielhaber, G., et al.: Photochem. Photobiol. Sci., 5, 275 (2006), Lee, S., et al.: J. Cosmet. Sci., 59, 469 (2008),<br></p>

<p>Applications An aromatase inhibitor. Used as an antineoplastic.<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>Stability Hygroscopic<br>Applications Eltrombopag is an agonist of the Thrombopoietin (Tpo) receptor, used as treatment for thrombocytopenia<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 Bussel, J., et al.: New Eng. J. Med., 357, 2237 (2007), Marsilje, T., et al.: Bioorg. Med. Chem. Lett., 18, 5259 (2008), Alper, P., et al.: Bioorg. Med. Chem. Lett., 18, 5255 (2008)<br></p>

<p>Impurity Rivastigmine USP Related Compound F<br>Stability Light Sensitive<br>Applications A related compound of Rivastigmine (R541000), a cholinesterase inhibitor. Rivastigmine USP Related Compound F.<br></p>

<p>Applications Betrixaban is a novel anticoagulant. An oral direct inhibitor of factor Xa (FXa) for use in the prevention of venous thromboembolism (VTE).<br>References Turpie, A.G.G. et al.: Thromb. Haemost., 101, 68 (2009); Gomez-Outes, A. et al.: Curr. Vasc. Pharmacol., 7, 309 (2009);<br></p>

<p>Applications N-Formyl Benzocaine is a degradation product of Benzocaine (B202970); a compound that is used as an anesthetic (local).<br>References Kholod, Y., et al.: Environ. Sci. Technol., 43, 9208 (2009); Fliri, A., et al.: J. Med. Chem., 52, 8038 (2009); Helguera, A., et al.: J. Pharm. Sci., 98, 4557 (2009); Onoue, S., et al.: J. Pharm. Sci., 98, 3647 (2009); Koellmer, M., et al.: AAPS PharmSciTech., 14, 1333 (2013)<br></p>

<p>Impurity Ritonavir EP Impurity L<br>Applications Desthiazolylmethyl Ritonavir (Ritonavir EP Impurity L) is an analogue of the selective HIV protease inhibitor Ritonavir (R535000). It is a COVID19-related research product.<br>References Brittain, H., et al.: Pharm. Res., 8, 963 (1991), Sham, H., et al.: J. Med. Chem., 39, 392 (1996), Phadnis, N., et al.: J. Pharm. Sci.,86, 1256 (1997), Bauer, J., et al.: Pharma. Res., 18, 859 (2001),<br></p>

<p>Stability Hygroscopic<br>Applications Pyraclostrobin is a fungicide for use in seed grass and food crops. Useful in cannabis testing kits as a component of pesticide mixes (P698240).<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 Gyldenkaerne, S., et al.: Pestic Sci., 55, 1210 (1999), Pennington, D., et al.: Environ. Sci. Technol., 39, 1119 (2005), Wang, S., et al.: Food Control., 18, 731 (2007),<br></p>

<p>Applications 8-[2-(Diphenylmethoxy)-N-methylethylamino]-1,3-dimethylxanthine is an impurity of Dimenhydrinate (D460520), an antihistamine with antiemetic properties used to prevent nausea and motion sicknes composed of two drugs 8-Chlorotheophylline (C411440) and Diphenhydramine (D486900).<br>References Doege, U., et al.: Pharmazie., 62, 174 (2007); Santoro, R.S., et al.: J. Pharmaceut. Sci., 60, 791 (1971);<br></p>

<p>Stability Hygroscopic<br>Applications 2-Ethyl-2-methylsuccinic Acid is an inhibitor of plasmid-borne IMP-1 metallo-β-lactamase.<br>References Toney, J., et. al.: J. Biol. Chem., 276, 31913 (2001)<br></p>

<p>Stability Hygroscopic<br>Applications A histamine H2-receptor antagonist which inhibits gastric acid secretion. Antiulcerative.<br>References Bradshaw, J., et al.: Brit. J. Pharmacol., 66, 464 (1979), Berstad, A., et al.: Scand. J. Gastroenterol, 15, 637 (1980), Hohnjec, M., et al.: Anal. Profiles Drug Subs., 15, 533 (1986),<br></p>

<p>Stability Temperature Sensitive<br>Applications Labelled Dothiepin (D536500). A tricyclic antidepressant.<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 Metysova, J., et al.: Arzneim.-Forsch., 13, 1039 (1963), Maguire, K.P., et al.: Br. J. Clin. Pharmacol., 12, 405 (1981), Donovan, S., et al.: Prog. Neuro-Psychopharmacol. Biol. Psychiatry, 18, 1143 (1994),<br></p>

<p>Applications (S)-1-(2-Chloroacetyl)pyrrolidine-2-carboxamide is used in the synthesis of Vildagliptin (V305000), an oral anti-diabetic drug, and its impurities (H971380) (Impurity A).<br>References Kumar, N., et al.: J. Pharmaceut. Biomed.,119, 114 (2016); Deng, Y., et al.: Lett. Org. Chem., 11, 780 (2014);<br></p>

<p>Stability Hygroscopic<br>Applications (S)-(-)-Dropropizine N,N-Dioxide, is an impurity of (S)-(-)-Dropropizine (D681500), S-Form of Dropropizine. Cough suppressive phenylpiperazine derivative. Antitussive.<br>References Bakken, G., et al.: J. Med. Chem., 43, 4534 (2000), Salunkhe, M., et al.: Enz. Microb. Technol., 28, 333 (2001), Atul, B., et al.: J. Pharm. Sci., 91, 2067 (2002),<br></p>

<p>Applications 1-Methyl-5-p-toluoylpyrrole-2-acetic acid (cas# 26171-23-3) is a useful research chemical.<br></p>

<p>Stability Light Sensitive<br>Applications 5-Ethyl-demethyl Lercanidipine is an impurity of Lercanidipine (L179000), which is a dihydropyridine calcium channel blocker.<br>References Bianchi, G., et al.: Pharmacol. Res., 21, 193 (1989); Rimoldi, E., et al.: Acta Therap., 200, 23 (1994); Argekar, A., et al.: J. Pharm. Biomed. Anal., 21, 1137 (2000);<br></p>

<p>Applications Haloperidol Metabolite II<br>References Cutroneo, P., et al.: J. Pharm. Biomed. Anal., 41, 333 (2006), Sheridan, R., et al.: J. Med. Chem., 50, 3173 (2007), Lee, I., et al.: Eur. J. Pharmacol., 578(2, 123 (2008), Entrena, J., et al.: Psychopharmacol., 205, 21 (2009),<br></p>

<p>Applications 1-Phenyl-1,2-propanediol is a reagent in pharmaceutical chemistry, used in the synthesis of nor(pseudo)ephedrine related compounds.<br>References Sehl, T. et al.: Green Chem., 16, 3341 (2014); Moorthy, J. et al.: J. Org. Chem., 76, 9593 (2011);<br></p>

<p>Applications Oxaprozin is an anti-inflammatory drug. Oxaprozin was comparable to Aspirin (A687780).<br>References Whitehouse, M.W., et al.: Biochem. Pharmacol., 20, 2309 (1971), Janssen, F.W., et al.: Drug Metab. Dispos., 6, 465 (1978), Shriver, D.A., et al.: Toxicol. Appl. Pharmacol., 42, 75 (1977),<br></p>

<p>Applications Nonpeptidic HIV protease inhibitor (NPPI). Antiviral.<br>References Poppe, S.M., et al.: Antimicrob. Agents Chemother., 41, 1058 (1997), McGregor, T.R., et al.: HIV Clin. Trials, 5, 371 (2004), Boffito, M., et al.: J. Clin. Pharmacol., 46, 130 (2006),<br></p>

<p>Impurity Naratriptan pyridinium Impurity<br>Stability Hygroscopic<br>Applications Naratriptan (N378730) impurity.<br></p>

<p>Applications Felodipine Ester Lactone is an intemediate used in the synthesis of Dehydro Felodipine Ester Lactone (D229690), which is a metabolite of Felodipine (F232375).<br>References Wang, S.X. et al.: J. Pharmacol. Exp. Therap., 250, 632 (1989); Baeaernhielm, C. et al.: Drug Metab. Disp., 14, 613 (1986);<br></p>

<p>Stability Hygroscopic<br>Applications 4-Defluoro 2-Fluoro Flunarizine Dihydrochloride is an impurity of Flunarizine(F455200, Dihydrochloride), which is a calcium channel blocker. Flunarizine is a fluorinated derivative of Cinnarizine and a vasodilator (cerebral and peripheral).<br>References Desmedt, L.K., et al.: Arzneim.-Forsch., 25, 1408 (1975), Godfraind, T., et al.: Eur. J. Pharmacol., 53, 273 (1979), Nihard, P., et al.: Angiology, 33, 37 (1982), Holmes, B., et al.: Drugs, 27, 6 (1984)<br></p>

<p>Applications A cyclized labelled analog of orphenadrine and diphenhydramine; representative of a new class of centrally acting skeletal muscle relaxants, the benzoxazocines. Analgesic; antidepressant.<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 Bassett, et al.: Br. J. Pharmacol., 37, 69 (1969), Klohs, et al.: Arzneim.-Forsch., 22, 132 (1972), Hell, et al.: Drugs, 19, 249 (1980),<br></p>

<p>Applications Quinoline is a starting material that may be transformed by bacteria and fungi to produce intermediates useful for the synthesis of drugs. Used in the synthesis of tertiary alcohol modulators of RORγ (1) which appears to have various biological functions. Also derivatives of quinoline have been seen to promote anticancer, antibacterial and antiviral activity, however quinoline itself is often seen as an environmental contaminant (2,3). Dyes and metabolites, Environmental Testing.Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.<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 1. Kummer, D. et al.: Bioorg. Med. Chem. Lett. 2017 Feb 21.2. Ramirez-Prada, J. et al.: Eur J Med Chem. 2017 Mar 16;131:237-254.3. Mestankova, H. et al.: Water Res. 2016 Apr 15;93:110-20<br></p>

<p>Applications 1,3-Dihydro-1-(1,2,3,6-tetrahydro-4-pyridinyl)-2H-benzimidazol-2-one is a reactant used in the synthesis of potential anti-parkinsonic agents.<br>References Vejdelek, Z. et al.: Coll. Czech. Chem. Comm., 49, 2649 (1984); Higashi, Y. et al. J. Liquid. Cheom. Rel. Tech., 31, 2762 (2008);<br></p>

<p>Stability Hygroscopic<br>Applications Semicarbazide Hydrochloride is a metabolite of Nitrofuran (N493840), a minor antimicrobial used in veterinary medicine affecting semicarbazide-sensitive amine oxidase (SSAO) activity (1). Semicarbazide may be found in from nitrofuran residues in honey extracts (2) as well as milk from dairy cows (3). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants.Environmental contaminants; Food contaminants; Heat processing contaminants.<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 1. Elliott J. et al.: J Pharm Pharmacol. 1989 Jan;41(1):37-41. 2. Tribalat L. et al.: Anal Bioanal Chem. 2006 Dec;386(7-8):2161-8. 3. Chu, P. et al.: J. Agric. Food Chem. 2007 Feb:55(6);2129-2135<br></p>

<p>Applications 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>