APIs pour la recherche et les impuretés

Applications Rosuvastatin Anhydro Lactone, is an intermediate in the production of Rosuvastatin (R700500) derivatives.
References Martin, P., et al.: Clin. Ther., 25, 2215 (2003), Sakaeda, T., et al.: Pharm. Res., 23, 506 (2006),

Applications Carbazomycin A is used in biological studies for antimalarial and antituberculosis activity which are isolated from Streptomyces.
References Intaraudom, C., et al.: Tetrahedron, 67, 7593 (2011);

Applications A labelled novel non-nucleoside reverse transcriptase inhibitor. Rilpivirine seems to be well tolerated with less CNS disturbance than Efavirenz, and has non-teratogenic potential. An anti-HIV agent.
References Sun, et al.: J. Med. Chem., 41, 4648 (1998); Kashiwada, et al.: Bioorg. Med. Chem. Lett., 11, 183 (2001);

Applications Labeled D-Mannitol is widespread in plants and plant exudates; obtained from manna and seaweeds. D-Mannitol is used in the food industry as anticaking and free-flow agent, flavoring agent, lubricant and release agent, stabilizer and thickener and nutritive sweetener.
References Pigman, W., et al.: The Carbohydrates, 249 (1957), Makkee, M., et al.: Chem. Commun., 930 (1980),

Applications iMeloxicam- 13CD3 is an isotopic labeled form of Meloxicam(M216100). Meloxicam is a preferential cyclooxygenase (COX-2) inhibitor. Sudoxicam and Meloxicam are nonsteroidal anti-inflammatory drugs (NSAIDs) from the enol-carboxamide class.
References Hawkey, C., et al.: Br. J. Rheumatol., 35, Suppl. 1, 1 (1996), Fleischmann, R., et al.: Expert Opin. Pharmacother., 3, 1501 (2002),

Stability Hygroscopic
Applications A metabolite of Mycophenolic Acid.
References Shipkova, M., et al.: Therap. Drug Monit., 24, 390 (2002), Picard, N., et al.: Drug Metab. Dispos., 33, 139 (2005),

Stability Hygroscopic
Applications NPEC-caged-noradrenalin is a Noradrenalin caged by a NPEC group (photosensitive 1-(2-nitrophenyl)ethoxycarbony).

Applications A metabolite of Loxapine.
References Shen, Y., et al.: J. Biol. Chem., 268, 18200 (1993), Fiorella, D., et al.: Psychopharmacology, 121, 347 (1995), Glusa, E., and Pertz, H.: Brit. J. Pharmacol., 130, 692 (2000)

Applications A labelled metabolite of Acrylonitrile.
References Peter, H., et al.: Carcinogenesis, 4, 235 (1983), Fennell, T., et al.: Chem. Res. Toxicol., 4, 678 (1991), Kedderis, G., et al.: Toxicol. Appl. Pharmacol., 120, 288 (1993),

Applications N6-​[Bis(ethylamino)​methylene]​-D-​lysine is an intermediate in preparation of analogs of transforming and epidermal growth factor fragment.
References Nestor, John J., et al.: U.S., (1987);

Applications A retinoid receptor structure QSAR.
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 Krezel, W., et al.: Science, 279, 863 (1998), Tang, G., et al.: J. Lipid Res., 31, 175 (1990),

Applications Apixaban PG Ester-II is one of the multiple constituents extracted from Biebersteinia multifida, that exhibits inhibitory activity on acetylcholinesterase.
References Xiang, F., et al.: Faming Zhuanli Shenqing (2019), CN 109432093 A 20190308.

Applications Empagliflozin-d4 is a labelled analog of Empagliflozin (E521510); a novel, potent and selective SGLT-2 inhibitor, improves glycaemic control and features of metabolic syndrome in diabetic rats.
References Thomas, L., et al.: Diabetes. Obesity. Metabol. 14, 94 (2012); Grempler, R., et al.: Diabetes. Obesity. Metabol., 14, 83 (2012);

Applications A metabolite of Verapamil (V125000).
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 Jones, O., et al.: Environ. Sci. Technol., 41, 5085 (2007),

Applications rac 1-Palmitoyl-2-oleoyl-3-chloropropanediol-d5 is labelled rac 1-Palmitoyl-2-oleoyl-3-chloropropanediol (P160500) which is a fatty acid ester with glycerol chlorohydrins found in a variety of vegetable oils.
References Hamlet, C., et al.: Food Addit. Contam., 19, 619 (2002); Zelinkova, Z., et al.: Eur. Food Res. Technol., 228, 571 (2009)

Applications A deuterated version of Penciclovir, an antiviral.
References Weinberg, A., et al.: Antimicrob. Ag. Chemother., 36, 2037 (1992), McMeekin, J.R., et al.: Anal. Proc., 29, 178 (1992),

Applications A derivative of Danazol (D145000).
References Manson, A.J., et al.: J. Med. Chem., 6, 1 (1963), Jordan, V.C., et al.: Endocrinology, 124, 1717 (1989),

Stability Hygroscopic
Applications A metabolite of Daidzin, Daidzein and Puerarin.
References Griffiths, L., et al.: Biochem. J., 130, 141 (1972), Zhu, X., et al.: Acta Pharm. Sin., 14, 349 (1979), Powell, G., et al.: Drug Metab. Drug Interact., 6, 203 (1988), Bamforth, K., et al.: Eur. J. Pharmacol., 228, 15 (1992), Walle, T., et al.: Biochem. Pharmacol., 50, 731 (1995),

Applications 1,3-Diacetyl Aloe-emodin is an intermediate in the synthesis of Aloe Emodin 8-Glucoside which is a anthraquinone glycoside that was investigated for antioxidant activities and neuroprotective properties.
References El-Toumy, S.A., et al.: Carb. Res. 360, 47 (2012); Xiang, L., et al: TsingHua. Sci. Tech., 10, 426 (2005); Shi, Y.Q., et al: Anticancer. Res., 21, 2847 (2001);

Applications Calycosin is a known antioxidant that prevent redox imbalance in organisms. Also, it possesses anti-tumor, anti-inflammation and osteogenic properties; Useful as a therapeutic reagent for bone loss-associated diseases.
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 Lu, L., et al.: J. Biosci. Bioeng., 124, 1-7 (2017); Quan, G., et al.: Int. J. Mol. Sci., 16, 29496-29507 (2015)

Stability Hygroscopic
Applications Used in the synthesis of cyanogen glycoside. A component of antiperspirants, deodorants, body soaps, shampoos, hair rinses, and hair; it inhibits volatile steroid formation by resident bacteria.
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 Marouf, A., et al.: Pharm. Biol., 39, 263 (2001), Fukuda, T., et al.: Biol. Pharm. Bull., 26, 271 (2003), Butler, M., et al.: J. Nat. Prod., 67, 2141 (2004), He, J., et al.: J. Nat. Prod., 69, 121 (2006),

Impurity Beclomethasone Dipropionate EP Impurity F
Applications 6α-Bromo Beclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity F) is an impurity of Beclomethasone Dipropionate (B131030).

Applications 5alpha-Cholestan-3-one

Applications A labelled metabolite of Oxcarbazepine (O869250).
References Burkhart, C., et al.: Clin. Exp. Allergy, 32, 1635 (2002), Pearce, R., et al.: Drug Metab. Dispos., 30, 1170 (2002), Naisbitt, D., et al.: Mol. Pharmacol., 63, 732 (2003), Farrell, J., et al.: Br. J. Clin. Pharmacol., 57, 690 (2004),

Stability Hygroscopic
Applications A metabolite of Azelastine (A808250).
References Heinemann, U. et al.: J. Chrom. B Anal. Tech. Biomed. Life Sci., 793, 389 (2003); Tasaka, K., et al.: Arzneim.-Forsch., 29, 488 (1979);

Applications DIMETHYL DODECANEDIOATE (cas# 1731-79-9) is a useful research chemical.

Applications A highly reactive thiol-specific spin-label analogue. The NO-acetylated diamagnetic form of MTSL (Cat. # O875000).
References Altenbach, C., et al.: Biochem., 40, 15471 (2001),

Impurity Levodopa EP Impurity A; Levodopa USP Related Compound A
Stability Hygroscopic
Applications 6-Hydroxy-L-DOPA (Levodopa EP Impurity A; Levodopa USP Related Compound A) is the 6-hydroxy derivative of the amino acid L-DOPA (D533751) with neurotoxic properties. Studies show that exogenously administered 6-Hydroxy-L-DOPA is biotransformed by amino acid decarboxylase to the highly potent and catecholamine-selective neurotoxin, 6-Hydroxydopamine. The treatment of 6-Hydroxy-L-DOPA in rats resulted in the stimulation of acetylcholinesterase.
References Jaim-Etcheverry, G. et al.: Brain Res., 100, 699 (1975); Kostrzewa, R.M. et al.: Amino Acids, 14, 175 (1998); Berthet, A. et al.: J. Neurosci., 29, 4829 (2009);

Applications Isotope Labelled Dexamethasone Acid Ethyl Ester is a derivative of Dexamethasone (D298800), a glucocorticoid used as an anti-inflammatory agent. Dexamethasone regulates T cell survival, growth, and differentiation. Dexamethasone inhibits the induction of nitric oxide synthase.
References Wershil, B.K., et al.: Int. Arch. Allergy Immunol., 107, 323 (1995), Riccardi, C., et al.: Cell Death Diff., 6, 1182 (1999), Llanos, S.L. and Roldan, A.: Bio Cell, 23, 29 (1999)

Stability Unstable in Solution
Applications A metabolite of Cyclophosphamide.This Kit consists of a vial of the precursor, 4-hydroperoxycyclophosphamide (H714675), and a vial of sodium thiosulfate (S673640). Simply add water to the reducing agent until it is completely dissolved and add this solution to the precursor. This solution has a half-life of approximately 200 minutes at room temperature. Detailed instructions are enclosed.
References Peter, G., et al.: Cancer. Chemother. Pharmacol., 3, 181 (1979), Fenselau, C., et al.: Drug Metab. Dispos., 10, 636 (1982), Gamcsik, M., et al.: J. Med. Chem., 33, 1009 (1990), Habib, A., et al.: Biochem. Pharmacol., 50, 429 (1995),

Applications Labelled lipids. New lipids in food protein hydrolyzates.

Applications (S)-Equol and R-Equol are metabolites of the soy isoflavones Daidzein (D103500) and Genistein. Both have significant biological actions.
References Heinonen, S., et al.: Anal. Biochem., 274, 211 (1999), Setchell, K., et al.: J. Nutr., 132, 3577 (2002), Thigpen, J., et al.: Comp. Med., 53, 607 (2003), Yee, S., et al.: Food Chem. Toxicol., 46, 2713 (2008),

Applications A deuterated topical corticosteroid used as an anti-inflammatory.
References Shapiro, E.L., et al.: J. Med. Chem., 30, 1581 (1987), Graft, D., et al.: J. Allergy Clin. Immunol., 98, 724 (1996)

Applications A thiol specific fluorescent probe useful for ion channel and protein topology research. The recently available MTS-fluorophores may find application in the real-time monitoring of conformational changes, since fluorophores coupled to introduced cysteines can change their fluorescence during a conformational change. Fluorescence lifetime may also yield information regarding distances and molecular motion in a protein molecule.Fluorescence: max. Abs. 492nm; max. Em. 515nm; e x 10-3: 75
References Mannuzzu, L.M., et al.: Science, 271, 213 (1996), Goulett, C.C., et al.: JBC, 273, 45, 30012 (1998), Adams, C.M., et al.: JBC, 273, 46, 30204 (1998)

Applications 10,16-Dihydroxyhexadecanoic Acid is a component of cutin found in trees.
References Hernandez Velasco, Brenda L., et al.: Phytochemistry, 144, 78-86 (2017);Yang, Weili, et al.: Phytochemistry, 130, 159-169 (2016)

Applications (3R,4S,5R)-4-Hydroxy-5-[(1S)-1-hydroxy-2-methylpropyl]-3-methyl-2-pyrrolidinone-5-carboxylic Acid (cas# 145451-97-4) is a compound useful in organic synthesis.

Applications A metabolite of Nevirapine (N391275).
References Rettie, A., et al.: J. Biol. Chem., 263, 13733 (1988), Lamson, M., et al.: Biopharm. Drug Dispos., 20, 285 (1999), Guengerich, F., et al.: Chem. Res. Toxicol., 14, 611 (2001), Lu, W., et al.: Drug Metab. Dispos., 36, 1624 (2008),

Applications N-Methyl-p-toluenesulfonamide is an intermediate used in the synthesis of vicinal haloamino ketone derivative.
References Sun, H., et al.: Chem. Biol. Drug Design, 75, 269 (2010)

Applications 1,2,3,7,8-Pentachloronaphthalene is a persistent organohalogenated pollutant found in the air and wastewater.
References Bordajandi, L.R., et. al.: J. Chrom. A., 1186, 312 (2008); Li, F., et. al.: J. Hazard. Mater., 280, 111 (2014); Ryu, J., et. al.: Environ. Sci. Technol., 47, 2394 (2013)

Impurity Salicylic Acid Related Compound A
Applications Acetylsalicylic Acid Impurity A.
References Walter, M., et al.: Eur. J. Biochem., 1996, 239, 281 (1996), Bantignies, B., et al.: Plant Mol. Biol., 42, 871 (2000), Bais, H., et al.: J. Biol. Chem., 278, 32413 ( 2003), Finkler, C., et al.: Genetica, 124, 117 (2005),

Applications An isomer of all-trans-Retinal (R240000).
References Yan, E., et al.: Biochemistry, 43, 10867 (2004), Kukura, P., et al.: Science, 310, 1006 (2005), Ridge, K., et al.: J. Biol. Chem., 282, 9297 (2007),

Applications 6-Hydroxymelatonin Glucuronide is a glucuronide-conjugated metabolite of Melatonin (M215000).
References Li, Chaoyue, et al.: J. of Pineal Res., 54(1), 100-106 (2013)

Applications Benz[a]anthracen-3-ol is a derivative of the most potent carcinogenic hydrocarbon, 7,12-Dimethylbenz[a]anthracene (D464500), a highly potent carcinogen that is activated by microsomal enzymes to a diol epoxide metabolite that binds covalently to DNA in mammalian cells, leading ultimately to tumor induction. Benz[a]anthracen-3-ol is used in carcinogenesis studies relating to breast cancer.
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 Harvey, R. et al.: J. Org. Chem., 69, 2024 (2004); Harvey, R. et a;.: J. Med. Chem., 31, 154 (1988); Lee. H. et al.: J. Org. Chem., 51, 3501 (1986); Huggins, C., et al.: Proc. Nat. Acad. Sci. U.S.A., 58, 2253 (1967), Dipple, A., et al.: N. Cancer Res., 43, 4123 (1983);

Applications A potentially related compound in cephalosporin antibacterial compounds. An isomer of Cefuroxime (C248050).
References Chavette, R., et al.: J. Med. Chem., 9, 741 (1966), Miyouchi, M., et al.: J. Chem. Pharm. Bull., 38, 1906 (1990), Sugioka, T., et al.: Chem. Pharm. Bull., 38, 1998 (1990),

Applications Indazolone derivative.

Applications A mutagenic cogener of PHIP.
References Knize, M.G., Felton, J.S., et al.: Carcinogenesis, 9, 2, 247 (1988), Sugimura, T., et al.: Mutation Research, 290, 43 (1993), Eisenbrand & Tang: Toxicology, 84, 1 (1993)

Applications Levophacetoperane Hyrochloride, is a sympathomimetic central nervous system stimulant and is commonly used to treat depression. Levophacetoperane is also a known analeptic and is strongly linked to apnea reversal in dogs after a single intravenous injection.
References Dobkin, A. B.: Anaesthesia, 15, 146 (1960); Dugal, R., et al.: J. Anal. Toxicol., 2, 101 (1978)

Applications Labelled Dabigatran (D100090). Nonpeptide, direct thrombin inhibitor. Antithrombotic.
References Hauel, N., et al.: J. Med. Chem., 45, 1757 (2002), Mungall, D., et al.: Curr. Opin. Invest. Drugs, 3, 095 (2002), Stangier, J., et al.: J. Clin. Pharmacol., 45, 555 (2005),

Applications Labelled Tetrahydrocortisone (T293375). A normal mammalian metabolite of Cortisone (C696500).
References Schneider, et al.: J. Biol. Chem., 183, 365 (1950), Barkemeyer, et al.: Appl. Microbiol., 8, 237 (1960),

Applications A selective A2-adenosine receptor agonist. Coronary vasodilator, antihypertensive and antipsychotic following systemic administration in vivo.
References Martin, et al.: Pharmacol. Biochem. Behav., 45, 951 (1993

Impurity Donepezil Open-Ring Keto Acid
Applications An impurity of Donepezil (D531750).

Applications Bexarotene is a selective retinoid X receptor (RXR) agonist and an antineoplastic agent (1,2,3).
References (1) Boehm, M.F., et al.: J. Med. Che., 37,2930 (1994) (2) Gottardis, M.M., et al.: Cancer Res., 56, 5566 (1996) (3) Mukherjee, R., et al.: Nature, 386, 407 (1997)

Stability Hygroscopic
Applications Diosmetin 3’,7-Diglucuronide is a metabolite of Diosmetin (D485000) which is a flavonoid often administered in the treatment of chronic venous insufficiency, hemorrhoids, and related affections.
References Silverstro, L., et al.: Anal. Bioanal. Chem., 405, 8295 (2013); Boutin, J., et al.; Drug Metab. Dispos., 21, 1157 (1993)

Apixaban Impurity 3 is a reactant in medicines. It reacts with an amide to form the target compound, apixaban. Apixaban is a drug used to prevent stroke and blood clots in patients who have atrial fibrillation.