Bloqueadores Beta

Applications A dextrorotatory stereoizomer of Quinine. Antiarrhythmic (class IA). Antimalarial.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Loutfy, M.A., et al.: Anal. Profiles Drug Subs., 12, 483 (1983), Mason, J. W., et al.: Ann. N. Y. Acad. Sci., 432, 162 (1984),

Applications An optically active metabolite of Carvedilol (C184625), a nonselective ß-adrenergic blocker with α1-blocking activity.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
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),

Applications α-Propyl-α-(1-demethylethyl)-Verapamil is an impurity of Verapamil (V125000, HCl salt) which is a calcium channel blocker.
References Atlas, D, and Adler, M.: Proc. Natl. Acad. Sci. USA, 78, 1237 (1981), Janis, R., et al.: Adv. Drug. Res., 16, 309 (1987)

Impurity Timolol EP Impurity D; Timolol BP Impurity D; Timolol USP Related Compound D
Applications 3-Hydroxy-4-morpholino-1,2,5-thiazole (Timolol EP Impurity D; Timolol BP Impurity D; Timolol USP Related Compound D) is an intermediate for the preparation of Timolol.
References Bodor, N., et al.: J. Med. Chem., 31, 100 (1988),

Impurity Clonidine EP Impurity A
Applications 1-Acetyl-2-imidazolidinone (Clonidine EP Impurity A) is a synthetic reagent used in the preparation of triple [14C]-labelled moxonidine which is an antihypertensive compound.
References Czeskis, B., et al.: J. Labelled Comp. Radiopharm., 47, 699 (2004)

Applications 2-Phenylphenol is an agricultural fungicide and is no longer used as a food additive (1). It has been associated with the incidence of bladder cancer in male rats which may be related to its primary metabolite, phenylhydroquinone (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References 1. Gouin T. et al.: Environ Pollut. 2012 Jun;165:208-14. 2. Balakrishnan, S. et al.: Environ Mol Mutagen. 2016 Apr;57(3):210-9

Applications Mixed β-adrenergic blocker and serotonin 5HT1A-receptor antagonist. Antihypertensive; antianginal; antiarrhythmic; antiglaucoma.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Dreshfield, L.J., et al.: Neurochem. Res., 21, 557 (1996), Perez, V., et al.: Lancet, 349, 1594 (1997),

Applications Labelled 7α-Hydroxy-4-cholesten-3-one (H825130). 7α-Hydroxy-4-cholesten-3-one is a metabolite of Cholesterol (C432501).
References Connor, W., et al.: J, Clin. Invest., 48, 1363 (1969),

Applications A labelled inhibitor of glucose synthesis.
References Garcia-Salguero, L. et al.: Arch. Int. Physiol., Biochim. Biophys., 99, 237, (1991); Martirosyan, A., et al.: Biochem. Pharmacol., 68, 1729 (2004);

Applications An optically active metabolite of Carvedilol (C184625), a nonselective ß-adrenergic blocker with α1-blocking activity.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
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 E
Stability Hygroscopic
Applications (6α,9β,11β,16α)-9,11-Epoxy-6-fluoro-21-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]pregna-1,4-diene-3,20-dione, can be used in the production of fluocinolone acetonide (F455800).
References Grinenko, G.S, Khimiko-Farmatsevticheskii Zhurnal, 12, 110 (1978), Sammul, et al.: J. Assoc. Off. Agric. Chem., 47, 952 (1964), Emerson, M.V., et al.: BioDrugs, 21, 245 (2007),

Applications Diazoxide-d3 is the labeled analogue of Diazoxide (D417305), which reduces status epilepticus neuron damage in diabetes.
References Baba, A., et al.: J. Neurosci., 23, 7737 (2003); Bancila, V., et al.: J. Neurochem., 90, 1243 (2004); Bancila, V., et al.: J. Biol. Chem., 280, 8793 (2005)

Applications A labelled metabolite of Spironolactone.
References Gochman, N., et al.: J. Pharmacol. Exp. Ther., 135, 312 (1962), Tori, K., et al.: Steroids, 4, 713 (1964), Solymoss, B., et al.: Toxicol. Appli. Pharmacol., 18, 586 (1971),

Applications Atorvastatin (A791750) impurity.
References Kearney, A.S., et al.: Pharm. Res., 10, 1461 (1993); Heinonen, T.M., et al.: Clin. Ther., 18, 853 (1996);

Applications 2-[3-(Aminosulfonyl)-4-chlorobenzoyl]-benzonic Acid is a potential metabolite of Chlorthalidone.
References Salado C., et al.: J. Chromatography. Biomed. App., 690, 195 (1997);

Applications 2-(2-Aminoethoxy)anisole is used as an additive to vinylphosphonic acid esters and acrylonitrile forming compounds displaying hypotensive activity. An impurity from the process of Carvedilol (C184625)
References Reznik, V. et al.: Russ. Chem. Bull., 48, 979, (1999); Hirohashi, M., et al.: Arzneim.-Forsch., 40, 735 (1990), Packer, M., et al.: N. Engl. J. Med., 334, 1349 (1996),

Applications Aprindine is a long-acting antiarrhythmic agent, effective when administered orally or intravenously in the treatment of ventricular arrhythmias of varying etiologies.
References Danilo, P. Jr., et al.: Am. Heart. J., 97, 119 (1979); Atarashi, H., et al.: Circulation. J., 66, 553 (2002);

Applications An isomer of the antiarrhythmic, antiglaucoma agent Timolol (T443700).
References Marini, R.D. et al.: Anal. Chim. Acta, 531, 131 (2005);

Applications 5-Oxorosuvastatin methyl ester is an intermediate in the synthesis of Rosuvasatatin (calcium salt: R700500), a 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor that decreases high-sensitivity C-reactive protein (hsCRP) and cholesterol concentrations in the blood.
References McTaggart, F., et al.: Am. J. Cardiol., 87, 28 (2001); Ridker, P., et al.: Lancet, 373, 1175 (2009)

Applications (2R,3S)-rel-Nadolol-N-[(2R,3S)-rel-Nadolol-de(N-tert-butyl)]is an impurity of Nadolol (N201050), a β-Adrenergic blocker. Antihypertensive; antianginal.
References Dreyfuss, J., et al.: J. Clin. Pharmacol., 17, 300 (1977); Sibley, P.L., et al.: Toxicol. Appl. Pharmacol., 44, 379 (1978); Slusarek, L., et al.: Anal. Profiles Drug Subs., 9, 455 (1980)

Applications (-)-Nebivolol intermediate.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications Labelled Dopamine. Endogenous catecholamine with α and β-adrenergic activity. Cardiotonic; antihypotensive.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Carter, J.E., et al.: Anal. Profiles Drug Subs., 11, 257 (1982), Dasta, J.F., et al.: Pharmacotherapy, 6, 304 (1986),

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

Impurity Metoprolol EP Impurity B
Applications 4-(2-Methoxyethyl)phenol (Metoprolol EP Impurity B) is an impurity of Metoprolol.
References McGourty, J., et al.: Br. J. Clin. Pharmacol., 20, 555 (1985), Zhou, H., et al.: Clin. Pharmacol. Ther., 47, 686 (1990), Koyama, E., et al.: J. Pharmacol. Exp. Ther., 271, 860 (1994)

Applications Cardioselective β-adrenergic blocker. Antihypertensive, antianginal, antiarrhythmic (class II).
References Caplar, V., et al.: Anal. Profiles Drug Subs., 13, 1 (1984),

Applications 4-Hydroxy Flecainide is an analogue of Flecainide (F390000).
References Blom, Y., et al.: J. Chromatogr., 653, 138 (1993),

Applications An antiarrhythmic agent isolated from Rauwolfia serpentina.
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),

Impurity Timolol EP Impurity H
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.
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)

Impurity Metoprolol EP Impurity A
Applications C-Desmethyl Metoprolol (Metoprolol EP Impurity A) is a new byproduct detected in Metoprolol tartrate. Metoprolol impurity.
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),

Applications A Rosuvastatin (R700500) intermediate as HMG-CoA reductase inhibitor.
References Beck, et al.: J. Med. Chem., 33, 52 (1999),

Impurity Rosuvastatin EP Impurity G
Stability Hygroscopic
Applications ent-Rosuvastatin is an enantiomer of Rosuvastatin (R700500), an impurity which acts as a selective, competitive HMG-CoA reductase inhibitor (1). Antilipemic (2,3).
References 1. Watanabe, M. et al.: Bioorg. Med. Chem. 1997 Feb;5(2):437-44.2. Lee, E. et al.: Clin. Pharmacol. Ther. 2005 Oct;78(4):330-41.3. Ferdinand, C. et al.: Am. J. Cardiol. 2006 Jan 15;97(2):229-35.

Impurity Atenolol EP Impurity A
Applications 4-(Hydroxyphenyl)acetamide (Atenolol EP Impurity A) is used as an intermediate for the synthesis of Atenolol (A790075) and various other organic compounds and pharmaceuticals. It is a process impurity for Atenolol (A790075)
References Inkum, R., et al.: Maejo Int. J. Sci. Tech., 6, 372 (2012); Pai, N.R., et al.: J. Chem. Pharma. Rsch., 4, 375 (2012); Moon, J.T., et al.: Bio-org. Medn. Chem., 20, 734 (2012);

Stability Hygroscopic
Applications 2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic Acid is a transformation product of Valsartan (V095750); a nonpeptide angiotensin II AT1-receptor antagonist and antihypertensive. 2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic Acid is also referred to as Valsartan acid.
References Noedler, K., et al.: Water Res., 47, 6650 (2013); Criscione, L., et al.: Brit. J. Pharmacol., 110, 761 (1993); Muller, P., et al.: Eur. J. Clin. Pharmacol., 47, 231 (1994)

Impurity Verapamil EP Impurity J HCl
Applications Nor Verapamil Hydrochloride (Verapamil EP Impurity J HCl) is a metabolite of Verapamil.
References Mutlib, A.E., et al.: The Journal of Pharm. & Exp. Therapeutics, 252, 2, 593 (1989)

Applications An optically active metabolite of Carvedilol (C184625), a nonselective ß-adrenergic blocker with α1-blocking activity.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
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 Atorvastatin Pyrrolidone Analog (USP)
Stability Light Sensitive
Applications A photodegradation product of Atorvastatin (a cyclic impurity of Atorvastatin). Atorvastatin Pyrrolidone Analog (USP).
References Roger, D., et al.: Clin. Exp. Dermatol., 19, 88 (1994), Cosa, G., et al.: Photochem. Photobiol., 80, 159 (2004), Kerwin, B., et al.: J. Pharm. Sci., 96, 1468 (2007),

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

Applications A metabolite of Metoprolol.
References Lennard, M.S., et al.: Br. J. Clin. Pharmacol., 14, 713 (1982), Gengo, F.M., et al.: Clin. Pharmacol. Ther., 36, 320 (1984),

Stability Hygroscopic
Applications Used as an antihypertensive.This compound is very unstable in solution and will hydrolyze readily to give benazapril.

Applications Carvedilol-d5 is the labelled analog of Carvedilol, a nonselective β-adrenergic blocker with α1-blocking activity. Carvedilol is an antihypertensive used in the treatment of congestive heart failure.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Hirohashi, M., et al.: Arzneim.-Forsch., 40, 735 (1990), Packer, M., et al.: N. Engl. J. Med., 334, 1349 (1996),

Applications A labelled 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),