Toxicology

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

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),

Impurity Amlodipine EP Impurity F / Amlodipine USP Related Compound F
Applications Amlodipine Besilate (A633500) impurity. Amlodipine EP Impurity F
References Coburn, R., et al.: J. Med. Chem., 31, 2103 (1988), Gupta, S., et al.: Eur. J. Med. Chem., 38, 867 (2003), Vazzana, I., et al.: J. Med. Chem., 50, 334 (2007),

Applications 4’-Hydroxyphenprocoumon is a metabolite of the oral anticoagulant Phenprocoumon (P318820).
References De Vries, J. et al.: J. Chrom. Biomed. Appl., 529, 479 (1990);

Applications Ethyl Deoxycholate is the ethyl ester of the common bile salt Deoxycholic Acid (D232645), a Cholic Acid (C432600) derivative used as a component in cell lysis buffers.
References Tuangtong, R. et al.: Dermatol. Surg., 36, 899 (2010); Araki, Y. et al.: Scand. J. Gast., 36, 533 (2001);

Applications: An impurity contained in samples of all trans-retinoic acid.
References Newton, D., et al.: Cancer Res., 40, 3413 (1980), Curley, R., et al.: Bioorg. Med. Chem. Lett., 2, 1133 (1992), Tanaka, H., et al.: Chem. Pharm. Bull., 43, 356 (1995), Patel, J., et al.: J. Med. Chem., 47, 6716 (2004),

Impurity Atorvastatin EP Impurity G
Applications Atorvastatin derivative.

Stability Hygroscopic
Applications Rosuvastatin tert-Butyl Ester, is a metabolite of Rosuvastatin (R700500) a selective, competitive HMG-CoA reductase inhibitor.
References Watanabe, M., et al.: Bioorg. Med. Chem., 5, 437 (1997), Lee, E., et al.: Clin. Pharmacol. Ther., 78, 330 (2005), Ferdinand, K.C., et al.: Am. J. Cardiol., 97, 229 (2006),

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

Impurity Beclomethasone Dipropionate EP Impurity E
Applications 6α-Chlorobeclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity E) is an analogue of Beclomethasone Dipropionate (B131030), an antiallergic, antiasthmatic (inhalate). Anti-inflammatory (topical).
References Laube, B., et al.: J. Allergy Clin. Immunol., 101, 475 (1998); Harrison, L., et al.: Eur. J. Clin. Pharmacol., 58, 191 (2002); Maneechotesuwan, K., et al.: J. Allergy Clin. Immunol., 121, 43 (2008)

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),

Impurity Diltiazem EP Impurity F
Applications Desacetyl Diltiazem (Diltiazem EP Impurity F) is a metabolite of Diltiazem (D460620).
References Shallcross, H., et al.: Br. Med. J., 295, 1236 (1987), Yeung, P.K.F., et al.: Drug Metab. Dispos., 18, 1055 (1990), Cashman, J.R., et al.: J. Med. Chem., 34,2049 (1991),

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),

Impurity Rocuronium EP Impurity C
Applications 17-Desacetyl Rocuronium Bromide (Rocuronium EP Impurity C) is a metabolite of Rocuronium (R639500), in human plasma.
References Kleef, U., et al.: J. Chromatogr., 621, 65 (1993), Proost, J., et al.: Br. J. Anaesth., 85, 717 (2000),

Stability Light Sensitive
Applications β-Cembrenediol is an inhibitor of tumor promotion. Novel c-Met inhibitors which are used in anticancer treatments.
References Le-Huu, P. et al.: ChemCatChem., 8, 3755 (2016); Ebrahim, H. et al.: Bioorg. Med. Chem., 24, 5748 (2016);

Applications The (S)-isomer of Viloxazine (V312440). Antidepressant.
References Howe, R., et al.: J. Med. Chem., 19, 1074 (1976), Pinder, R.M., et al.: Drugs, 13, 401 (1977),

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),

Stability Hygroscopic
Applications A metabolite of Equilin (E592800).
References Enmark, E., et al.: J. Clin. Endocrinol. Metab., 82, 4258 (1997), Wang, Z., et al.: J. Med. Chem., 43, 2419 (2000), Jiang, X., et al.: Steroids, 71, 334 (2006),

Applications 2,3-Bis[(acetyloxy)methyl]-1-oxoquinoxalin-1-ium-4(1H)-olate is an antibiotic.
References Marrero-Ponce, Yovani, et al.: Bioorg. & Med. Chem., 13(8), 2881-2899 (2005)

Applications 4-Hydroxyatorvastatin is a hydroxylated metabolite of Atorvastatin, 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 Smith, S. et al.: Am. J. Cardiol., 80, 10H (1997); Jacobsen, W. et al.: Drug Metab. Dispos., 28, 1369 (2000); Istvan, E. et al.: Science, 292, 1160 (2001); Tabernero, L. et al.: J. Biol. Chem., 278, 19933 (2003); Bratton, L. et al.: Bioorg. Med. Chem., 15, 5576 (2007);

Applications Propoxyphenyl-thiohydroxyhomosildenafil is an analogue of Hydroxythiohomo Sildenafil (H963150).
References Balayssac, S., et. al.: J. Pharmaceut. Biomed., 63, 135 (2012)

Stability Hygroscopic
Applications A metabolite of Digoxin (Dx) (D446575).
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 Fujii, Y., et al.: Clin. Chem., 37, 476 (1991), Salphati, L., et al.: Xenobiotica, 29, 171 (1999), Song, S., et al.: Drug Metab. Dispos., 27, 689 (1999),

Impurity Rosuvastatin EP Impurity F
Applications (4R,6S)-6-[(1E)-2-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester (Rosuvastatin EP Impurity F) is a Rosuvastatin (R700500) intermediate as HMG-CoA reductase inhibitor.
References Beck, et al.: J. Med. Chem., 33, 52 (1999),

Applications 2-Azidoethanol is used as a reagent in the glycosylation of mono- or polysaccharides. 2-Azidoethanol is also used as a 2’-deoxy-ethynyluridine (EdU) blocker in nuclear DNA, preventing cross reactivity with other antibodies in order to better study its related pathways in the body.
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 Liboska, R., et al.: PLOS ONE, 7, e51679 (2012); Sun, X., et al.: Biomacromolecules, 3, 1065 (2002)

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

Applications A metabolite of Venlafaxine.

Applications A novel bile acid, an analogue of Cholic acid (C432600).
References Yamaga, N., et al.: J. Biochem., 116, 1123 (1994),

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);

Stability Very Hygroscopic
Applications Mixed conjugate of dietary phytoestrogen.
References Adlercreutz, H;., et al.: J. Steroid Mol. Biol., 52, 97 (1995), Kinjo, J., et al.: Biol. Pharm. Bull., 27, 185 (2004),

Applications Elagolix Sodium is a novel uracil phenylethylamine that acts as potent human gonadotropin-​releasing hormone receptor (hGnRH-​R) antagonist.
References Chen, C. et al.: J. Med. Chem., 51, 7478 (2008);

Applications A labelled form of Hexythiazox (H298500), which is a mite growth regulator and a thiazolidine based acaricide that has long-lasting effects against many kinds of mites and is applied at any stage of the plant growth from budding to fruiting. Useful in cannabis testing kits as a component of pesticide mixes (P698240).
References Martini,X., et al.: Pest. Manage. Sci., 68, 1471 (2012); Gilbert-Lopez, B., et al.: Food. Control., 26, 341 (2012);

Stability Hygroscopic
Applications A nucleoside analog phosphates for topical use in the treatment of herpes virus infections. A topical treatment that seems to bypass a key mechanism responsible for resistance to Acyclovir.
References Furman, P., et al.: J. Virol., 32, 72 (1979), Darby, G., et al.: J. Gen. Virol., 48, 451 (1980),Prisbe, E., et al.: J. Med. Chem., 29, 671 (1986), Ellis, M., et al.: Antimicrob. Agents Chemother., 33, 304 (1989),

Applications Labelled Isoprothiolane, a dithiolane pesticide. Isoprothiolane is commonly used in agriculture as a fungicide to control planthoppers and blast disease in rice plants.
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 Chin, K.M.: Malay. Agric. J., 50, 221 (1975); Ikeda, Y. et al.: Biosci. Biotech. Biochem., 57, 288 (1993); Nakamura, H.: Rev. Plant Prot. Res., 10, 1 (1977); Reddy, A.P.K. et al.: Pesticide, 22, 21 (1988);

Applications Prolintane is a CNS stiumlant used as an analeptic drug. Prolintane acts as a norepinephrine-dopamine reuptake inhibitor.
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 Hucker, H.B. et al.: Experientia, 28, 430 (1972); Hollister, L.E. et al.: J. Clin. Pharmacol. J. New Drugs, 10, 103 (1970); Kuitunen, T. et al.: Meth. Find. Exp. Clin. Pharmacol., 6, 265 (1984):

Applications A labelled metabolite of Prochlorperazine.
References Finn, A., et al.: J. Clin. Pharmacol., 45, 1383 (2005),

Applications Labelled Chlorotoluron (C421600(P)), which is a herbicide.
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 Nelieu, S., et al.: Environ. Toxicol. Chem., 29, 2644 (2010), Aguilera-Luiz, M., et al.: Anal. Bioanal. Chem., 399, 2863 (2011),

Applications 13-O-Methylamphotericin B is an antifungal. 13-O-Methylamphotericin B is a derivative of Amphotericin B (A634250), a polypeptide antibiotic active against gram positive bacteria. Antifungal.
References Taylor, A.W., et. al.: J. Antibiot., 46, 486 (1993); Asher, I.M., et al.: Anal. Profiles Drug Subs., 6, 1, (1977)