Beta Blockers

Impurity Hydrochlorothiazide EP Impurity C Applications N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chloro-3,4-dihydro-1,1-dioxo-2H-1,2,4-benzothiadiazine-7-sulfonamide (Hydrochlorothiazide EP Impurity C) is an impurity in bulk Hydrochlorothiazide. Dimer Impurity C. References Daniels, S.L., et al.: J. Pharm. Sci., 70, 211 (1981), Fang, X., et al.: Pharm. Res., 14, 691 (1997),

Applications Lovastatin-d9, is the labeled analogue of Lovastatin (L472225), an antihypercholesterolemic agent. A fungal metabolite, which is a potent inhibitor of HMG-CoA reductase. References Bilheimer, D.W., et al.: Proc. Nat. Acad. Sci. USA, 80, 4124 (1983),

Impurity Ezetimibe Tetrahydropyran Impurity Applications Ezetimibe (E975000) tetrahydropyran impurity.

Applications cis-7,10,13,16-Docosatetraenoic Acid Ethyl Ester-d5 is an isotopic analog of cis-7,10,13,16-Docosatetraenoic Acid Ethyl Ester. cis-7,10,13,16-Docosatetraenoic Acid Ethyl Ester is an ethyl analog of cis-7,10,13,16-Docosatetraenoic Acid (D494510). cis-7,10,13,16-Docosatetraenoic Acid has been identified as a protein kinase inhibitor, affecting serotonin levels in studies. References Mirnikjoo, B. et al.: J. Biol. Chem., 276, 10888 (2001);

Applications Diuretic and antihypertensive. References Twagirumukiza, M., et al.: Trop. Med. Int. Health, 15, 350 (2010), Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010), Peters, R., et al.: Anal. Bioanal. Chem., 396, 2583 (2010),

Applications A metabolite of Carvedilol (C184625). It is used in the treatment of hypertension. 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),

Impurity Fluocinolone Acetonide EP Impurity D Stability Hygroscopic Applications Fluocinolone acetonide-21-aldehyde, is a derivative of Fluocinolone Acetonide (F455800), which is a Corticosteroid, used in dermatology to reduce skin inflammation and relieve itching. References Sammul, et al.: J. Assoc. Off. Agric. Chem., 47, 952 (1964), Emerson, M.V., et al.: BioDrugs, 21, 245 (2007),

Impurity Amiodarone EP Impurity C /Amiodarone USP Related Compound C Applications An intermediate of Amiodarone (A632950). Amiodarone EP Impurity C References Weir, S., et al.: J. Pharm. Sci., 74, 460 (1985), Ramanathan, R., et al.: Anal. Chem., 72, 1352 (2000),

Esmolol is a cardioselective beta-blocker used in parenteral forms in the treatment of arrhythmias and severe hypertension.

Applications Hydroxyatenolol-d7 is the isotope labelled analog of Hydroxyatenolol (H802480); a metabolite of Atenolol (A790075) which is a cardioselective β-adrenergic blocker, antihypertensive, antianginal, and antiarrhythmic (class II). References Escher, B., et al.: Environ. Sci. Technol., 40, 7402 (2006); Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984)

Stability Hygroscopic Applications Deuterated Simvastatin, a competitive inhibitor of HMG-CoA reductase. A synthetic analog of Lovastatin. Antilipemic. References Hoffman, W.F., et al.: J. Med. Chem., 29, 849 (1986), Mol, M.J., et al.: Lancet, 2, 936 (1986),

Applications A labelled metabolite of Ranolazine (R122500). References Chaitman, B.R., et al.: J. Am. Coll. Cardial., 43, 1375 (2004), McCormack, J.G., et al.: Gen. Pharmacol., 30, 639 (1998), Schofield, J.A.H., et al.: Expert Opin. Invest. Drugs, 11, 117 (2002),

Applications Hexobendine is used as vasodilator (coronary). References Rdudolph, et al.: Arzneim.-Forsch., 20, 637 (1970), Kolassa, P., et al.: Biochem. Pharmacol., 20, 490 (1971), Zommer-Urbanska, S., et al.: Pharmazie, 40, 419 (1985),

Applications 6-Methyl Pergolide is a potent antagonist of 5-HT2A and 5-HT2B receptors on porcine cardiac valves, it also activates brain dopaminergic receptors and lowers cranial DOPAC levels in rats (1,2). References (1) Fuller, R.W., et al.: Neuroendocrinol., 36, 285 (1983)(2) Goernemann, T., et al.: J. Pharmacol. Exp. Ther., 324, 1136 (2008)

Applications 5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2-oxo-N,4-diphenyl-1-[2-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide is a photodegradation product of Atorvastatin (A791750). References Cermola, F., et al.: Tetrahedron., 62, 7390 (2006);

Stability Hygroscopic Applications A deuterated selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia. References Kearney, A.S., et al.: Pharm. Res., 10, 1461 (1993), Heinonen, T.M., et al.: Clin. Ther., 18, 853 (1996), Whitfield, L.R., et al.: Eur. J. Drug Metab. Pharmacokinet., 25, 97 (2000),