Étalons pharmaceutiques

Applications N,N-Dimethyl-2'-O-methylguanosine is a modified nucleoside in tRNA of hyperthermophilic archaebacteria.
References Kowalak, J. A., et al.: Biochemistry, 33, 7869 (1994);

Impurity Atorvastatin 2-Hydroxy Lactone
Stability Hygroscopic
Applications A 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.

Applications trans-2,cis-6-Nonadienal-D2 is a labelled analogue of trans-2,cis-6-Nonadienal (N649365). trans-2,cis-6-Nonadienal is an unsaturated aldehyde that is responsible for the cucumber smell of Synura petersenii, a freshwater colonial flagellate. trans-2,cis-6-Nonadienal is also a common natural and drinking water contaminant.
References Berra, T., et al.: Trans. Am. Fish. Soc., 111, 78 (1982); Kynclova, A., et al.: Nova Hedw. Bei., 136, 283 (2010); Ömür-Özbek, P. & Dietrich, A.: Environ. Sci. Tech., 39, 3957 (2005)

Applications An intermediate of synergistic pesticide Boscalid. Also, used in the preparation of thieno[2.3-b]pyrrole derivatives as cannabinoid receptor agonists useful in mono- and combination therapy of diseases.
References Granger, D., et al.: Arthritis Rheum., 37, 1053 (1994), Robinson, R., et al.: J. Med. Chem., 39, 10 (1996),

Applications β-Costol is a component in essential oil from plant extract and exhibits antibacterial and antifungal activities
References Suleimen, E.M., et al.: Chem. Natural Compds., 55, 154 (2019);Doungchawee, J., et al.: Chemistry and Biodiversity, 16, (2019);Gandhi, A.S., et al.: Am. J. Pharm.Tech. Res., 8, 189 (2018);

Applications 3-Deoxy-D-ribo-hexono-1,4-lactone, is a building block used in synthesis of various compounds.

Applications 2-Methyl-6-vinyl-pyrazine can be found in the aroma of beef muscle, popcorn, coffee, and malted barley. It can also be utilized to analyze the thermal behaviour of pyridine esters.
References Beal, A. D. and Mottram, D. S. J. Agric. Food Chem. 42, 2880 (1994); Lai, M., et al.: J. Therm. Anal. Calorim. 123, 479 (2016)

Applications Used in the preparation of Epostane (E588850).

Applications A new anti-inflammatory drug. Effect of SAS 650 (Furofenac) on malondialdehyde production by platelets.
References Bertoli, D., et al.: Int. J. Tissue Reactions, 2, 217 (1980),

Applications Glucocorticoid.

Stability Hygroscopic
Applications L-Aspartic acid 4-tert-butyl ester is a protected form of L-Aspartic acid (A790024). L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body. L-Aspartic acid also increases membrane conductance of mammalian neurons by voltage-dependent means, causing depolarization and nerve impulses that travel to key areas of the central nervous system.
References Anderson, H., et al.: J. Nutr., 99, 82 (1969); Honey, C., et al.: Neurosci. Lett., 61, 135 (1985); MacDonald, J., et al.: Brain Res., 237, 248 (1982)

Applications nucleoside analogue
References Hirth, B., et al.: Bioorg. Med. Chem. Lett., 19, 2916 (2009),

Applications A novel metabolite of Phenazopyridine (P313751).
References Bailey, K., et al.: Drug Metab. Dispos., 11, 277 (1983), Thomas, B. H., et al.: J. Pharm. Sci., 79, 321 (1990), Thomas, B.H., et al.: Xenobiotica, 23, 99 (1993),

Applications (2S,2'S)-Ethambutol-d10 (1,1,1',1',2,2'-d6; ethylene-d4) (CAS# 1129526-24-4) is a useful isotopically labeled research compound.

Applications 4-Bromo-1,8-naphthalic Anhydride is used as a starting material in the synthesis of a fluorescent probe for the detection of copper ions in living human LO-2 cell lines.
References He, Guangjie, et al.: PLoS One, 12(10), e0186994/1-e0186994/11 (2017)

Applications 9-Chloroanthracene is a chlorinated anthracene compound used for biochemical research

Stability Light Sensitive, Temperature Sensitive
Applications An anlogue of β-Carotene (C184250). Decapreno-β-carotene is used as an internal standard for the quantification of the hydrocarbon carotenoids by HPLC.
References Hemley, R., et al.: Biophysical J., 20, 377 (1977), Taylor, R.F, et al.: Methods Enzymol., 67, 233 (1980),

Applications 2,2'-Dibromoacetophenone is used in the preparation of 4-phenylthiazol-2(3H)-one derivatives as anticonvulsant agents.
References Deng, X., et. al.: Lat. Am. J. Pharmacy, 33, 1430 (2014)

Applications The minor metabolite of Deflazacort.
References Bernareggi, A., et al.: J. Pharma. Biomed. Anal., 5, 177-81 (1987), Assandri, A., et al.: Xenobiotica, 13(3), 185 (1983), Martinelli, E., et al.: Drug Metab. Dispos., 7, 335 (1979),

Applications (3R,5S)-5-(6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridin-8-yl)-3,5-dihydroxypentanoic Acid Sodium Salt is an impurity of Pitavastatin (P531000), a competitive inhibitor of HMG-CoA reductase. Antilipemic.
References Aoki, T., et al.: Arzneim.-Forsch., 47, 904 (1997); Yamada, I., et al.: Xenobiotica, 33, 789 (2003); Park, S., et al.: Clin. Ther., 27, 1074 (2005)

Applications A metabolite of Cholesterol.
References Connor, W., et al.: J, Clin. Invest., 48, 1363 (1969), Nestel, P., et al.: Metabolism, 24, 189 (1975), Ellegard, L., et al.: Eur. J. Clin. Nutr., 45, 451 (1991), Pedersen, A., et al.: J. Lipid Res., 41, 1901 (2000),

Applications N-(3,3-Dimethylbutyl)-N-methyl-β-alanine is a compound useful in organic synthesis.

Stability Hygroscopic, Moisture Sensitive
Applications 1-​[1-​(4-​Chlorobenzoyl)​-​5-​hydroxy-​2-​methyl-​1H-​indole-​3-​acetate]β-​D-​Glucopyranuronic Acid is an analog of Indomethacin Acyl-β-D-glucuronide a metabolite of Indomethacin (I641000). Acyl glucuronides have been implicated in the toxicity of many xenobiotics and marketed drugs.
References Abid, A., et al.: Biochem. Pharmacol., 50, 557 (1995), Gamage, N., et al.: Toxicol. Sci., 90, 5 (2006), Cerveny, L., et al.: Drug Metab. Dispos., 35, 1032 (2007), Hayeshi, R., et al.: Eur. J. Pharm. Sci., 35, 383 (2008),

Impurity Everolimus Impurity
Stability Light and temperature Sensitive
Applications Everolimus Retroaldol Degradation Product is an impurity of Everolimus (E945400). Everolimus is a derivative of Rapamycin. Everolimus inhibits cytokine-mediated lymphocyte proliferation. Everolimus Impurity D
References Dumont, F.J., et al.: Curr. Opin. Invest. Drugs, 2, 1220 (2001), Kovarik, J. M., et al.: Clin. Pharmacol. Ther., 69, 48 (2001), Nashan, B., et al.: Ther. Drug Monit., 24, 53 (2002),

Applications 4-Chloro-3-cyclohexene-1-carboxylic Acid Methyl Ester (cas# 27705-05-1) is a compound useful in organic synthesis.

Stability Hygroscopic
Applications Tixocortol is an anti-inflammatory agent. Tixocortol is used in fluorescent chemoaffinity labeling.
References Torossian, D.R., et al.: Arzneim.-Forsch., 31, 453 (1981),

Applications 2,4-Bis(trimethylsilyl)cytosine is an intermediate used in the synthesis of 1’-Epi Gemcitabine Hydrochloride (E588510), which is an α-Anomer of Gemcitabine.
References Hertel, L.W., et al.: Cancer Res., 50, 4417 (1990), Abbruzzese, J.L., et al.: J. Clin. Oncol., 9, 491 (1991), Ruiz, V.W.T., et al.: Biochem. Pharmacol., 46, 762 (1993),

Stability Moisture Sensitive
Applications Oxyfedrine acts as a vasodilator affecting the coronary base flow.
References Baraka, Y. et al.: J. Drug Res., 12, 161 (1980);

Applications Progesterone (P755900) impurity.
References Liang, T., et al.: Biol. Chem., 256, 7998 (1981), Bratoeff, E., et al.: J. Steroid Biochem. Mol. Biol., 111, 275 (2008),

Applications cis-Urocanic acid is an agonist of the 5-HT2A receptor.

Applications (2R,4aR,8aS)-Decahydro-8a-hydroxy-4a-methyl-α,8-bis(methylene)-2-naphthaleneacetic acid is extracted from the roots of Saussurea lappa, and Laggera pterodonta, may have anti-viral properties and used in traditional chinese medicine.
References Wang, Yu, et al.: BMC Complementary and Alternative Medicine, 17, 25 (2017); Zhang, T. et al.: Zhongguo Zhongyao Zazhi, 36, 1620 (2011);

Applications Cloticasone is an intermediate in the synthesis of Fluticasone Propionate.
References 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)

Applications (S)-1-Amino-3-chloro-2-propanol Hydrochloride is used in biological studies as an orally active male antifertility agent which is mediated by an effect on epididymal and vas deferens sperm.
References Coppola, J. A., et al.: Contraception, 9, 459 (1974);

Stability Hygroscopic
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 A compund from thermal decomposition of Capsaicin, as a possible carcinogen. E/Z = 4.4/1 (by NMR).
References Fusco, B., et al.: Drugs, 53, 909 (1997), Buisman, G., et al.: Biotechnol. Lett., 20, 131 (1998), Kobata, K., et al.: Bios. Biotechnol. Biochem., 66, 319 (2002), Aluru, M., et al.: J. Exp. Bot., 54, 1655 (2003),

Applications An intermediate used in the preparation of Zanamivir derivatives.
References Andrews, D., et al.: Eur. J. Med. Chem., 34, 563 (1999), Altamore, T., et al.: Bioorg. Med. Chem., 14, 1126 (2006),

Applications A metabolite of Alpidem.
References Padovani, P., et al.: Eur. J. Drug Metab. Pharmacokinetics, 12, 295 (1987).

Applications Dihydronaftazone-d4 O-β-D-Glucuronide is labelled Dihydronaftazone O-β-D-Glucuronide (D450330) which is a metabolite of Naftazone (N359270) which is a novel anti-anflammatory agent as well as an anti-proliferative agent due to its 1,2-napthoquinone substructure.
References Marrero-Ponce, Y. et al.: Eur. J. Med. Chem., 46, 5736 (2011)

Applications A short-chain haloalkene isotope.
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 Benzyl N-(4-nitrophenyl)carbamate

Applications 2',5'-Dideoxyuridine (cas# 35959-50-3) is a useful research chemical.

Applications 1-Acetyl-N-(5,6,7,8-tetrahydronaphthalen-1-yl)-4,5-dihydro-1h-imidazol-2-amine is a useful synthesis intermediate.

Applications α-Cholesterol-d6 is labelled α-Cholesterol which is a stereoisomer of Cholesterol (C432501), a major component of all biological membranes and the principal sterol of the higher animals.
References Rosin, Z., et al.: Physiol. Chem., 124, 282 (1923), Schoenheimer, et al.: J. Biol. Chem., 105, 355 (1934), Gemant, et al.: Life Sci., 1, 233 (1962), Johnson, K., et al.: 4, 457 (1964),

Applications An optically active metabolite of Tramadol.
References Garrido, M., et al.: J. Pharmacol. Exp. Ther., 305, 710 (2003), Pedersen, R., et al.: Eur. J. Clin. Pharmacol., 62, 513 (2006),

Applications A metabolite of Rosiglitazone.
References Balton, G.C., et al.: Xenobiotica, 26, 6, 627 (1996), Kim, K., et al.: J. Clin. Pharmacol., 45, 941 (2005), Kirchheiner, J., et al.: Clin. Pharmacol. Ther., 80, 657 (2006), O'Maille, G., et al.: J. Pharm. Biomed. Anal., 48, 934 (2008),

Applications 6-Methoxy-m-cresol is a useful chemical reagent. It has been found as one of the chemical constituent of phytoncides and has antioxidative activity.
References Abe T., et al., Aroma Res., 7, 56-62 (2006)

Applications Diethyl 2,2'-((((6-chloroquinoxaline-2,3-diyl)bis(oxy))bis(4,1-phenylene))bis(oxy))dipropanoate is an intermediate used in the preparation of ethyl 2-[4-(3-fluoro-2-quinoxalinyloxy)phenoxy]propanoate, a new fluoro analog of the herbicide quizalofopethyl.
References Makino, K., et al.: J. Fluorine Chem., 37, 119 (1987)

Applications Metopimazine (MPZ) is used to prevent emesis during chemotherapies. Antiemetic.
References Catz, P., et al.: Int. J. Pharm., 58, 93 (1990), Sato, K., et al.: J. Pharm. Sci., 80, 104 (1991), Herrstedt, J., et al.: Cancer Chemother. Pharmacol., 33, 53 (1996), Sigsgaard, T., et al.: J. Clin. Onc., 19, 2091 (2001),

Applications 2,4'-Dibromoacetophenone-2-13C (CAS# 335081-05-5) is a useful isotopically labeled research compound.

Applications Bivalirudin 1-11 Fragment is an impurity of Bivalirudin, a direct thrombin inhibitor acting as an anticoagulant through inhibition of the enzyme thrombin.
References Bertrand, O. et al.: Am. J. Cardio., 110, 599 (2012); Patti, G. et al.: Am. J. Cardio., 110, 478 (2012)

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 [2-(Methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium Hydroxide is a reagent in the synthesis of PVA/SBMA crosslinked hydrogels used in tissue mimicking, vascular cell culturing and implanting. For use in soft-tissue surgery and keeping it minimally invasive.
References Jian, S. et al.: J. Mech. Bwhav. Biomed. Mat., 4, 1228 (2011); Xu, S. et al.: Ann. Tech. Conf. Soc. Plastics Emg., 71, 1032 (2013);

Applications Aluminum Glycinate is an antacid which is used in the treatment of peptic ulceration. It is used in the development of a transdermal hydrogel patch for ferulic acid to treat skin damage induced by UV radiation.
References Rice, M., et al.: Am. J. Gastroenterol., 25, 74 (1956); Bai, J., et al.: Pak. J. Pharm Sci., 27, 369 (2014);

Applications 9-Bromononanoic Acid is an intermediate in synthesizing Rumenic Acid (R701590), a trans fatty acid that may potentially reduce the risk of cancer and cardiovascular diseases. It may also prevent disease processes that lead to chronic inflammation, atherosclerosis, and diabetes.
References Baer, D. J.: Am J Clin Nutr 95, 267 (2012); Gebauer, S. K., et al.:  Adv Nutr 2, 332 (2011); Duffy, P. E., et al.: Tetrahedron 62, 4838 (2006)

Applications 1-(4-Nitrophenyl)cyclopentanecarbonitrile-d8 is an intermediate used in the synthesis of Apatinib-d8 Hydrochloride (A726152), which is labelled Apatinib (A726150). Apatinib is an orally available, small molecule multitargeted tyrosine kinase inhibitor. Apatinib selectively inhibits the vascular endothelial growth factor receptor-2 (VEGFR2). Apatinib functions by inhibiting VEGF-mediated endothelial cell migration and proliferation thus blocking new blood vessel formation in tumor tissue. Recent studies have shown that Apatinib enhances the efficacy of conventional chemotherapeutical drugs in side population (SP) cells and ABCB1-overexpressing leukemia cells.
References Mi, Y. et al.: Cancer Res., 70, 7981 (2010); Tong, X.Z. et al.: Biochem. Pharmacol., 83, 586 (2012); Ding, J, et al.: J. Chrom B Anal. Technol. Biomed. Life Sci., 895, 108 (2012);

Applications An intermediate of Rosuvastatin (R700500).
References Laufer, S., et al.: J. Med. Chem., 45, 2733 (2002), Palani, A., et al.: Bioorg. Med. Chem. Lett., 13, 709 (2003),

Applications CMPD101 is a potent and selective GRK2/3 inhibitor.
References Lowe, J.D., et al.: Mol. Pharmacol., 88, 347 (2015); Ikeda, S., et al.: PCT Int. Appl. WO 2007034846 A1 20070329. Mar 29, 2007

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)

Stability Hygroscopic
Applications Labelled Isonipecotic Acid Methyl Ester is a an ester derivative of 4-piperidinecarboxylic acid used as a reagent in the organic synthesis of neurochemicals, antibacterials and other biologically active compounds.
References Kim, E.-K. et al.: Yak. Hoechi, 48, 182 (2004); Tanitame, A. et al.: Bioorg. Med. Chem. Lett., 14, 2857 (2004);

Applications A derivative of 1-Adamantanecarboxylic Acid.

Applications N3-Methanethiosulfonylethyl Lumiflavin is a derivative of the Lumiflaviin (L473900), a toxic photolysis product of vitamin B2.

Applications Chloroethylnitrosourea derivative with antitumor activity. Similar to carmustine, chlorozotocin, nimustine, ranimustine. Antineoplastic.
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 Johnston, T.P., et al.: J. Med. Chem., 9, 892 (1966), Oliverio, V.T., et al.: Cancer Res., 30, 1330 (1970), Thompson, G.R., et al.: Toxicol. Appl. Pharmacol., 21, 405 (1972), Al-Shammary, F.J., et al.: Anal. Profiles Drug Subs., 19, 315 (1990),

Applications 4-Hydroxy-6-benzyloxycoumarin (cas# 30992-65-5) is a compound useful in organic synthesis.

Applications Forsythoside A is used as an antiinflammatory agent in traditional Chinese medicine.
References Li, H. et al.: Phytother. Res., 25, 338 (2011);