Beta Blockers

<p>Stability Hygroscopic<br>Applications Labelled Mexiletine (M340800). Antiarrhythmic (class IB).<br>References Singh, E.M., et al.: Br. J. Pharmacol., 44, 1 (1972), Scott, K.N., et al.: Drug Metab. Dispos., 1, 506 (1973), Chew, C.Y.C., et al.: Drugs, 17, 161 (1979), Abounassif, M.A., et al.: Anal. Profiles Drug Subs., 20, 433 (1991),<br></p>

<p>Applications 1,1'-[(1-Methylethyl)imino]bis[3-(1-naphthalenyloxy)-2-propanol is an impurity of Propranolol (P831800), an β−Adrenergic blocker used as a antihypertensive and antilanginal agent.<br>References Helboe, P., et al.: J. Chromatography., 245, 229 (1982); Helboe, P., et al.: J. Chromatography., 245, 229 (1982);<br></p>

<p>Impurity Metoprolol EP Impurity A<br>Applications C-Desmethyl Metoprolol (Metoprolol EP Impurity A) is a new byproduct detected in Metoprolol tartrate. Metoprolol impurity.<br>References Erickson, M., et al.: J. Pharma. Biomed. Analysis, 13, 567 (1995), Phinney, K., et al.: Chirality, 15, 287 (2003), Zheng, J., et al.: Anal. Chem., 78, 1535 (2006),<br></p>

<p>Impurity Timolol EP Impurity H<br>Applications 2-(3-(tert-Butylamino)-2-hydroxypropyl)-4-morpholino-1,2,5-thiadiazol-3(2H)-one is a impurity of Timolol (T443710), an antihypertensive; antiarrhythmic (class II); antianginal; antiglaucoma agent.<br>References Lacroix, P.M., et. al.: Chirality, 6, 484 (1994); Wasson, et al.: J. Med. Chem., 15, 651 (1972); Franciosa, et al.: Clin. Pharmacol. Ther., 13, 138 (1972); Heel, R.C., et al.: Drugs, 17, 38 (1979); Rofman, B.A., et al.: Hypertension, 2, 643 (1980); Mazzo, D.J., et al.: Anal. Profiles Drug Subs., 16, 641 (1987)<br></p>

<p>Applications An antiarrhythmic agent isolated from Rauwolfia serpentina.<br>References Galarreta, B., et al.: Bioorg. Med. Chem., 16, 6689 (2008), Sun, L., et al.: Plant Mol. Biol., 67, 455 (2008), Ruiz-May, E., et al.: Mol. Biotechnol., 41, 278 (2009),<br></p>

<p>Impurity Metoprolol EP Impurity N<br>Applications 3-Isopropylamino-1,2-propanediol (Metoprolol EP Impurity N) is a versatile organic building block, used in different chemical synthesis. It is used in the preparation of heterocyclic propanolamines, which are shown to have β-adrenergic antagonist activity.<br>References Dean, V. et al.: Drug Design and Discovery,10, 89 (1993);<br></p>

<p>Applications A compound present in olive oil. An important fine chemical intermediate with broad prospects for application development.<br>References Shu, Y., et al.: Guangdong Huagong, 37, 108 (2010), Papadopoulos, G., et al.: J Am Oil Chem Soc, 68, 669 (1991),<br></p>