Alpha blockers

<p>Impurity Trazodone Deschloro Impurity<br>Stability Hygroscopic<br>Applications A Trazodone (T718500) impurity. An antipsychotic with potential use as a schizophrenia agent. Trazodone impurity B.<br>References Pai, N. et al.: J. Chem Pharmaceut. Res., 2, 458 (2010); Silvestrini, B., et al.: Eur. J. Pharmacol., 12, 231 (1970); Brogden, R.N., et al.: Drugs, 21, 401 (1981);<br></p>

<p>Applications An optically active metabolite of Carvedilol (C184625), a nonselective ß-adrenergic blocker with α1-blocking activity.<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 Sponer, G., et al.: J. Cardiovasc. Pharmacol., 9, 317 (1987), Fujimaki, M., ET AL.: Xenobiotica, 20, 1025 (1990), Ruffolo, R., et al.: Eur. J. Clin. Pharmacol., 38, S82 (1990), Schaefer, W.H., et al.: Drug Metab. Dispos., 26, 10, 958 (1998),<br></p>

<p>Impurity Mirtazapine EP Impurity F<br>Applications 10-Oxo Mirtazapine (Mirtazapine Impurity F) is an impurity of Mirtazapine. Mirtazapine EP Impurity F.<br>References De Boer, T., et al.: Neuropharmacol., 27, 399 (1988), Vindevogel, J., et al.: Anal. Chem., 63, 1530 (1991), Wynia, G., et al.: J. Chromatogr., 773, 339 (1997),<br></p>

<p>Impurity Carvedilol EP Impurity C; Carvedilol Impurity C; Carvedilol USP C<br>Applications N-Benzyl Carvedilol (Carvedilol EP Impurity C) is an impurity of Carvedilol (C184625) and a degradation product in Carvedilol tablets.<br>References Karle, C., et al.: Cardiovasc. Res., 49, 361 (2001), Chen, J., et al.: Acta Cardiol. Sin., 19, 93 (2003), Xiang, T., et al.: Pharm. Res., 22, 1205 (2005),<br></p>

<p>Applications 2-(4-Methyl-2-phenyl-1-piperazinyl)-3-pyridinemethanol is an impurity found in Mirtazapine (M365000). Mirtazapine Impurity B.<br></p>

<p>Applications An optically active metabolite of Carvedilol (C184625), a nonselective ß-adrenergic blocker with α1-blocking activity.<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 Sponer, G., et al.: J. Cardiovasc. Pharmacol., 9, 317 (1987), Fujimaki, M., ET AL.: Xenobiotica, 20, 1025 (1990), Ruffolo, R., et al.: Eur. J. Clin. Pharmacol., 38, S82 (1990), Schaefer, W.H., et al.: Drug Metab. Dispos., 26, 10, 958 (1998),<br></p>

<p>Applications 3-(9H-Carbazol-4-yloxy)-1,2-propanediol is used in the synthesis of carvedilol, a β-adrenergic blocking agent.<br>References Naidu, K. et al.: Org. Chem. An Indian J., 6, 171 (2010);<br></p>

<p>Applications (R)-Tamsulosin is a specific α1-adrenoceptor antagonist. It is used in the treatment of benign prostatic hypertrophy.<br>References Kawabe, K., et al.: J. Urol., 144, 908 (1990), Abrams, P., et al.: Br. J. Urol., 76, 325 (1995), Michel, M.C., Expert Opin. Pharmacother., 5, 151 (2004),<br></p>

<p>Alfuzosin (SL 77499) is an alpha-1 adrenergic antagonist used to treat benign prostatic hypertrophy and urethral dysfunction.</p>