Toxicologie

Stability Hygroscopic
Applications Antihistaminic.
References Berthon, B., et al.: Biochem. Pharmacol., 47, 789 (1994), Hu, Q., et al.: J. Biol. Chem., 274, 33995 (1999),

Applications Zinc pentamethylenedithiocarbamate (cas# 13878-54-1) is a useful research chemical.

Applications Labelled Torsemide (T548750). Used as a diuretic.
References Lesne, M., et al.: In. J. Clin. Pharmacol. Ther. Toxicol., 20, 382 (1982), Brater, D.C., et al.: Clin. Pharmacol. Ther., 42, 187 (1987),

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

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

Impurity Rosuvastatin EP Impurity C (Calcium Salt)
Stability Hygroscopic
Applications 5-Oxo Rosuvastatin (Rosuvastatin EP Impurity C (Calcium Salt)) is a Rosuvastatin (R700500) impurity.
References Endo, A., et al.: J. Antibiot., 32, 852 (1979), Beck, G., et al.: J. Med. Chem., 33, 52 (1990), Koga, T., et al.: Lipids, 30, 775 (1995),

Applications A metabolite of 13-cis-Retinoic Acid (R250000).
References Samokyszyn, V., et al.: J. Biol. Chem., 262, 14119 (1987), Oldfield, N., et al.: Drug Metabol. Dispos., 18, 1105 (1990), Samokyszyn, V., et al.: Chem. Res. Toxicol., 10, 795 (1997),

Applications di(2-Hydroxy Atorvastatin) Calcium Salt is a metabolite of Atorvastatin Calcium Salt (A791750), a 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)

Applications The main metabolite of Nimesulide (N477500).
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 Facino, R.M., et al.: Drugs, 46 (Suppl1),15 (1993), Westphal, J., et al.: J. Antimicrob. Chemother., 33, 387 (1994), Castell, J., et al.: Cell Biol. Toxicol., 13, 331 (1997), Georges, H., et al.: Life Sci., 65, 151 (1999), Singla, A.K., et al.: J. Pharm. Pharmacol., 52, 467 (2000),

Applications Mydriatic; antispasmodic; used in preanesthetic medication.
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 Brown, R.V., et al.: Br. J. Pharmacol., 15, 170 (1960), Shutt, L.E., et al.: Anaesthesia, 34, 476 (1979), Hinderling, P.H., et al.: J. Pharm. Sci., 74, 703 (1985),

Applications A synthetic adrenocorticosteroid that acts as an anti-inflammatory and anti-pruritic agents. It is used as a topical for the treatment of dermatologic disorders such as atopic dermatitis and psoriasis.
References Mason, J. et al.: Br. J. Dermatol., 146, 351 (2002); Sears, H.W. et al.: Clin. Therap., 19, 710 (1997); Otomo, Y.Z. et al.: Nip. Yakur. Zas., 78, 647 (1981);

Impurity Rosuvastatin EP Impurity B
Stability Hygroscopic
Applications A diastereomer of Rosuvastatin (R700500) used for treatment, prevention and combination therapy of lipid-related disorders. Rosuvastatin EP Impurity B

Applications Diamino-5-phenylthiazole Hydrobromide is an phenylthiazole derivative used in the preparation of antiallergic and antiinflammatory agents.
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 Ban, M. et al.: Bioorg. Med. Chem., 6, 1069 (1998);

Applications Pravastatin impurity.
References Muramatsu, S., et al.: Biol. Pharm. Bull., 20, 1199 (1997), Serajuddin, A., et al.: J. Pharm. Sci., 88, 696 (1999),

Impurity Bisoprolol EP Impurity L (Metoprolol EP Impurity C)
Stability Hygrscopic
Applications 4-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]benzaldehyde (Bisoprolol EP Impurity L (Metoprolol EP Impurity C)) is a Metoprolol impurity .
References Baldwin, J.J. , et al.: J. Med. Chem., 29, 1065 (1986), Ravelet, C., et al.: J. Sep. Sci., 29, 1322 (2006),

Stability Light Sensitive, Temperature Sensitive
Applications A metabolite of Vitamin A (R252000(M)).
References Touma, S., et al.: Biochem. Pharmacol., 78, 1127 (2009), Muniz, A., et al.: Biochem., 48, 6854 (2009), Guignard, T., et al.: J. Biol. Chem., 285, 18759 (2010),

Impurity Fluocinolone Acetonide EP Impurity G
Applications Flurandrenolone Acetate, is the derivative of Flurandrenolide (F598650), which is a Glucocorticoid, used as an antipsoriatic.
References Pearlman, R., et al.: Int. J. Pharm., 18, 53 (1984), Neufeld, E., et al.: J. Chromatogr., 718, 273 (1998),

Applications A metabolite of Triamcinolone acetonide.
References Edsbacker, S., et al.: Drug Metab. Dispos., 11, 590 (1983), Szefler, S., et al.: Eur. J. Clin. Pharmacol., 30, 323 (1986), Hansel, T., et al.: J. Immunol. Methods, 145, 105 (1991), Argenti, D., et al.: J. Clin. Pharmacol., 39, 695 (1999),

Stability Hygroscopic
Applications Troglitazone Sulfate is the major metabolite of Troglitazone (T892500), a hypoglycemic agent with cholestatic effect.
References Ciaraldi, T.P., et al.: Metabolism, 39, 1056 (1990); Kuzuya, T., et al.: Diabetes Res. Clin. Pract., 11, 147 (1991); Kellerer, M., et al.: Diabetes, 43, 447 (1994); Adachi, Y., et al.: Mol. Pharmacol., 67, 923 (2005);

Applications Labelled Ouabain (O714500). A cardiac glycoside that inhibits Na(+)/K(+) ATPase. It regulates transcription of MDR (increase, Pgp) and MRP (increase MRP1 and decrease CFTR, cyctic fibrosis transport receptor or cAMP-activated Cl- channel) genes, also alters localization of MRP1.
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 Padilha, A.S. et al.: Clin. Exp. Pharmacol. Physiol., 35, 801 (2008); Blaustein, M.P. et al.: Clin. Exp. Hypertens. 20, 691 (1998); van Huysse, J.W. et al.: Clin. Exp. Hypertens. 20, 657 (1998);

Impurity Propofol EP Impurity E; Propofol USP Related Compound A
Applications Dipropofol (Propofol EP Impurity E) is a dimeric derivative of Propofol (P829750). Dipropofol is an antibacterial agent with strong activity againts Gram-positive bacteria. Dipropofol also displays antioxidant and radical scavenging activity. Propofol USP Related Compound A.
References Ogata, M. et al.: Chem. Pharm. Bull., 53, 344 (2005); Ogata, M. et al.: Biol. Pharmac. Bull., 30, 1565 (2007);

Applications Prednisolone 21-Valerate was used to detect corticosteroid in pharmaceuticals and cosmetics via TLC, LC/MS, and HPLC.
References Park, M., et al.: Yakhak Hoechi, 55, 289 (2011); Kamano, Y., et al.: Tokyo Ika Daigaku Kiyo, 6, 25 (1980);

Impurity Fluticasone USP Related Compound B
Applications An impurity of Fluticasone Propionate (F599500), a derivative of Flumethasone (F455000). An antiallergic; anti-asthmatic; anti-inflammatory. Fluticasone USP Related Compound B.
References Matuszewski, B, et al.: Anal. Chem., 75, 3019 (2003), Fekete, S., et al.: J. Pharm. Biomed. Anal., 49, 64 (2009), Meltzer, E.O., et al.: J. Allergy Clin. Immunol., 86, 221 (1990), Mitchison, H.C., et al.: Gut, 32, 260 (1991), Phillipps, G.H., et al.: J. Med. Chem., 37, 3717 (1994)

Impurity Tranexamic EP Impurity A
Applications Tranexamic Acid Dimer (Tranexamic EP Impurity A) is a Tranexamic Acid (T714505) impurity.

Applications Betamethasone 6α-Bromo 17-Valerate is an impurity of Betamethasone (B327000), which is a glucocorticoid used as an anti-inflammatory agent.
References Ferrante, M.G., et al.: Anal. Profiles Drug Subs., 6, 43 (1977), Li, A., et al.: Chem. Biol. Interact., 142, 7 (2002), Cruz-Monteagudo, M., et al.: Eur. J. Med. Chem., 40, 1030 (2005), Rothfuss, A., et al.: Chem. Res. Toxicol., 19, 1313 (2006),

Applications A metabolite of Indole-3-acetic acid in plants.
References Barratt, N., et al.: Physiol. Plant, 105, 207 (1999), Jackson, R., et al.: J. Biol. Chem., 276, 4350 (2001), Staswick, P., et al.: Plant Cell, 17, 616 (2005),

Impurity Ipratropium EP Impurity E
Applications N-Isopropyl Noratropine is a Noratropine derivative, an intermediate in the production of Ipratropium.
References Simms, P., et al.: J. Pharm. Biomed. Anal., 17, 841 (1998),

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),

Stability Hygroscopic
Applications A degradation product of Betamethasone (B327000).
References Andersson, P., et al.: J. Pharm. Pharmacol., 36, 763 (1984), Wurthwein, G., et al.: Biopharm. Drug Dispos., 11, 381 (1990), Samtani, M., et al.: J. Pharm. Sci., 93, 726 (2004), Samtani, M., et al.: Drug Metab. Dispos., 33, 1124 (2005),

Applications Pipamazine is a drug od the phenothiazine class which used to be used as an antiemetic.
References Bhargava, K. et al.: Br. J. Pharmacol. Chemother., 22, 154 (1964); Bhargava, K. et al.: Br. J. Pharmacol. Chemother., 21, 436 (1963);

Stability Hygroscopic
Applications A metabolite of Diphenhydramine (D486900) in humans.
References Breyer-Pfaff, U., et al.: Drug Metab. Dispos., 25, 340 (1997),

Applications A metabolite of Cortisone (C696500).
References Mashkovskii, M., et al.: Med. Agents, 2, 34 (2002),

Stability Hygroscopic
Applications One of the bioactive forms of Riboflavin. Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, leafy vegetables. Richest natural source is yeast. Minute amounts present in all plant and animal cells. Vitamin (enzyme cofactor).
References Unna, K., et al.: J. Pharmacol. Exp. Ther., 76, 75 (1942), Rivlin, et al.: N. Engl. J. Med., 283, 463 (1970), Al-Shammary, F.J., et al.: Anal. Profiles Drug Subs., 19, 429 (1990),

Impurity Betamethasone Dipropionate EP Impurity D
Applications Betamethasone 21-acetate-17-propionate (Betamethasone Dipropionate EP Impurity D) is a related compound of Betamethasone dipropionate (B327005).
References Grootveld, M., et al.: Biochem. Pharmacol., 37, 271 (1988), Chen, B., et al.: Steriods, 74, 30 (2009), Mikami, E., et al.: J. Pharm. Biomed. Anal., 28, 261 (2002),

Impurity Fulvestrant EP Impurity B
Applications A metabolite of Fulvestrant (F862500).
References Rao, P., et al.: J. Steroid Biochem., 25, 417 (1986), Wakeling, A., et al.: J. Steroid Biochem. Mol. Biol., 43, 173 (1992), DeFriend, D., et al.: Cancer Res., 54, 408 (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)

Stability Light Sensitive
Applications A metabolite of Letrozole.
References Koyama, E., et al.: Ther. Drug Monit., 15, 224 (1993), Pfister, C., et al.: J. Pharm. Sci., 83, 520 (1994), Vander H.Y., et al.: J. Pharm. Biomed. Anal., 24, 723 (2001), Cohen, M., et al.: Clin. Cancer Res., 8, 665 (2002),

Applications A metabolite of Desoxymetasone (D296970).
References Schriks, M., et al.: Environ. Sci. Technol., 44, 4766 (2010), Baeck, M., et al.: Eur. J. Dermatol., 20, 102 (2010), Lee, P., et al.: Bioorg. Med. Chem. Lett., 20, 69 (2010),

Applications 3-Ethyl 3,5-Didemethyl Memantine is an impurity of Memantine (HCl salt, M218000) which is used as an antiparkinsonian and antispasmodic.
References Rohde, H., et al.: Fortschr. Med., 100, 2023 (1982), Kornhuber, J., et al.: Eur. J. Pharmacol., 166, 589 (1989), Gortelmeyer, R. and Erbler, H.: Arzneimittel-Forsch., 42, 904 (1992)

Applications A new Sildenafil (S435000) analogue.
References Balayssac, S., et al.: J. Pharm. Biomed. Anal., 50, 602 (2009),

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 Beclomethasone Dipropionate EP Impurity D
Applications 9-Deschloro-9-bromo Beclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity D) is an impurity of Beclomethasone Dipropionate (B131030).
References Shou, M. et al.: J. Pharmac. Biomed. Anal., 50, 356 (2009); Johnston, S. et al.: J. Chrom. Sci., 48, 733 (2010);

Applications Carbimazole, a prodrug of Methimazole (M260300), is used in the treatment of hyperthyroidism.
References Marchant, B., et al.: J. Clin. Endocrinol. Metab., 45, 1187 (1977), Johnsson, E., et al.: Lancet, 350, 1520 (1997),