Estándares farmacéuticos

Applications Barbadin is a selective β-arrestin/β2-adaptin inhibitor. It selectively inhibits the interaction between b-arrestin and the b2-adaptin subunit of the clathrin adaptor protein AP2 without affecting the formation of receptor/b-arrestin complexes.
References Beautrait, A., et al.: Nat Commun. 8, 15054 (2017)

Applications A major metabolite of Phenytoin, an anticonvulsant.
References Bowmer, C., et al.: Biochem. Pharmacol., 27, 937 (1978), Kober, A., et al.: Mol. Pharmacol., 18, 237 (1980), Dasgupta, A., et al.: Ther. Drug Monit., 21, 625 (1999),

Applications A thiol reactive fluorescent probe for the labelling of proteins. Rhodamine dyes are used extensively in various aspects of fluorescence microscopy because of their brightness and resistance to photobleaching. They are valuable in studies directed at probing changes in orientation and mobility of proteins using fluorescence anisotropy measurements. It is a mixture of the 6-Iodo and 6-chloro.
References Corrie, J.E.T., and Craik, J.S.: J. Chem. Soc. Perkin Trans. 1, 2967 (1994)

Applications 3,3’,5’-Triiodo-L-thyronine O-β-D-Glucuronide is the O-glucuronide derivative of 3,3’,5’-Triiodo-L-thyronine (T795350); a compound that is of interest for the early detection and treatment of congenital or drug-induced hypothyroidism in the developing human fetus.
References Block, P.: J. Med. Chem., 19(8), 1067-1069 (1976); Shiba, T., & Cahmann, H.J.: J.O.C., 29, 1652-1653 (1964)

Stability Hygroscopic
Applications Labelled Adenosine 5’-Monophosphate (A281790), a naturally occurring nucleotide. A useful ligand determinant that facilitate the binding of APS reductase inhibitors and activates adenosine receptor agonists.
References Hong, J.A. et al.: J. Med. Chem., 52, 5485 (2009); Korboukh I. et al.: J. Med. Chem., 55, 6467 (2012)

Applications A bile acid derivative as anti-inflammatory and antitumor agent.
References Yasukawa, K., et al.: Chem. Pharm. Bull, 19, 573 (1996), Yasukawa, K., et al.: J. Pharm. Pharmacol., 52, 119 (2000), Iida, T., et al.: Lipids, 38, 281 (2003),

Applications Sodium 2,2'-Methylene-bis(4,6-di-tert-butylphenyl)phosphate is an organophosphate nucleating agent.
References Li, J., et al.: Suliao, 43, 47-50 (2014);

Applications 1-(1-phenylpropan-2-yl)-1H-pyrrole-2-carboxylic acid (cas# 1432680-68-6) is a useful research chemical.

Applications It is used as cholesterol-lowering agent.
References Bauer, D., et al.: Polym Deg. Stab., 48, 259 (1995), Nakahara, K., et al.: Chem. Physics Lett., 359, 351 (2002),

Applications 4-Formylbenzoic Acid Methyl Ester is a benzoic acid derivative with antioxidant activity.
References Conde, E. et al.: Food Chem., 114, 806 (2009);

Applications 3-Cysteinylacetaminophen-D5 (major), Trifluoroacetic Acid Salt is deuterium labeled 3-Cysteinylacetaminophen Trifluoroacetic Acid Salt (C994750), which is a metabolite of Acetaminophen (A161220), an analgesic and antipyretic agent used as a pain reliever to treat headache, muscle aches, and arthritis (1,2,3).Minimum isotopic incorporation d-3, no d-0 present. A representative lot has 64% isotopic incorporation at the 6-position, 89% at the 4-position.
References (1) McGill, M. R. and Jaeschke, H. Pharm Res. 30, 2174 (2013)(2) Fairbrother, J.E., et al.: Anal. Profiles Drug Subs., 3, 1 (1974) (3) Hinson, J.A., et al.: Rev. Biochem. Toxicol., 2, 103 (1980)

Applications A metabolite of Venlafaxine, a selective serotonin noradrenaline reuptake inhibitor. Used as an antidepressant.
References Kelsey, J., et al.: J. Clin. Psychopharmacol., 16, 21 (1996), Long, C., et al.: J. Anal. Toxicol., 21, 166 (1997), Deecher, D., et al.: J. Pharmacol. Exp. Ther., 318, 657 (2006)

Applications Norethylmorphine 6-Glucuronide is a derivative of Norethylmorphine (N721600) is used in formation of ethylmorphine. Ethylmorphine is a metabolite in liver hepatocytes.
References Xu, B., et al.: Pharmacology & Toxicology, 73, 35 (1993),

Applications L-3,6-Bis(β-chloroethyl)-2,5-diketopiperazine (cas# 1333325-25-9) is a compound useful in organic synthesis.

Stability Temperature Sensitive
Applications 2,3-Diketogulonic Acid Potassium Salt is an intermediate in biodegradation of Ascorbic Acid (A786990).
References Kagawa, Y.: J. Biochem., 51, 134 (1962); Otsuka, M., et al.: Agric. Biol. Chem., 50, 531 (1986);

Impurity Terbinafine BP Impurity A; Terbinafine USP Related Compound A
Applications N-Methyl-1-naphthalenemethanamine hydrochloride (Terbinafine BP Impurity A; Terbinafine USP Related Compound A) is an intermediate used in the synthesis of various pharmaceuticals such as Terbinafine hydrochloride (T107500) and Butenafine hydrochloride (B690195).
References Petranyi, G., et al.: Science, 224, 1239 (1984); Ryder, N.S., et al.: Antimicrob. Agents Chemother., 27, 252 (1985); Evans, E.G.V., et al.: Br. Med. J., 318, 1031 (1999); Kokjohn, K., et al.: Int. J. Dermatol., 42, 11 (2003); Sumikawa, M., et al.: J. Dermatol., 34, 456 (2007)

Stability Moisture Sensitive
Applications Chlorosulfuric Acid Methyl Ester is used in the synthesis of acetylenic TACE inhibitors in the treatment of arthritis.
E0
References Levin, J. et al.: Bioorg. Med. Chem. Lett., 15, 4345 (2005);

Applications Betamethasone 17-Butyrate is an impurity of Clobetasone 17-Butyrate (C583550), an glucocorticoid used for anti-inflammatory purposes.

Applications Labelled insecticidal, acaricidal, and fungicidal combinations of carboxamides and other pesticides.
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 Dugo, G., et al.: Food Chem., 16, 435 (2005), Caldas, E., et al.: Toxicology, 222, 132 (2006), Cabras, P., et al.: J. Agric. Food Chem., 45, 2244 (1997), Wilkinson, C., et al.: Regul. Toxicol. Pharmacol., 31, 30 (2000),

Applications 1-Naphthylhydrazine (cas# 2243-55-2) is a useful research chemical.

Applications A labelled form of (Z)-Tetrachlorvinphos (T292305), which is used in sensitive immunoassay for detection of organophosphorus pesticides. Also, used in exposure characterization of varied major insecticides including neonicotinoids, organophosphates and pyrethroids in urine of young children. Useful in cannabis testing kits as a component of pesticide mixes (P698240).
References Zhao, F., et al.: Anal. Bioanal. Chem., 408, 6423 (2016); Osaka, A., et al.: Environ. Res., 147, 89 (2016)

Applications 4-Nitrophenol-13C6 is an intermediate in the synthesis of labelled 4-Aminophenol (A618920). It is also a nephrotoxic metabolite of Acetaminophen (A161220) and Phenacetin (P294580) (1,2).
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) Watanabe, et al.: Drug Metab. Dispos., 38, 1532 (2010)(2) Batuta, S. and Begum, N. A. Synth. Commun. 47, 137-147 (2017)

Applications Ethyl 2-Bromovalerate, is an organic building block used for the synthesis of various pharmaceutical compounds.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Stability Hygroscopic
Applications Genistein-7-sulfate 4’-β-D-glucuronide is a metabolite of Genistein (G350000), a compound that exhibits specific inhibitory activity against tyrosine kinases,including autophosphorylation of epidermal growth factor receptor kinase.
References Akiyama, T., et al.: J. Biol. Chem., 262, 5592 (1987); O'Dell, T.J., et al.: Nature, 353, 588 (1991); Aharonovits, O., et al.: Biochim Biophys. Acta, 1112, 181 (1992)

Applications Testosterone (T155000) derivative. It is a potent androgen with anabolic properties. Since the begining of the year 2005, the use of steroid precursors (prohormones) is illegal in the United States. Controlled substance.
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 Liao, S., et al.: J. Biol. Chem., 248, 6154 (1973), Saartok, T., et al.: Endocrinology, 114, 2100 (1984), Sugawara, T., et al.: J. Biol. Chem., 278, 42487 (2003),

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 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 4-Bromobenzoic Acid Methyl Ester is halogenated benzoate used as a reagent in organic synthesis. 4-Bromobenzoic Acid Methyl Ester can be used to stimulate microbial dechlorination of PCBs. 4-Bromobenzoic Acid Methyl Ester is also used in the preparation of stable radioiodinating reagent to label monoclonal antibodies for radiotherapy of cancer.
References Wilbur, D.S. et al.: J. Nuclear Med., 30, 216 (1989); DeWeerd, K.A. et al.: Environ. Sci. Technol., 33, 2057 (1999);

Impurity Mesalazine EP Impurity J (HCl)
Stability Hygroscopic
Applications 3,5-Diaminosalicylic acid Dihydrochloride, is the sulfate salt of 3,5-Diaminosalicylic acid. 3,5-Diaminosalicylic acid is an aromatic compound that belongs to a group of aminobenzoic acids (and derivatives) that can be used practically to prevent food spoilage and can treat animal protein aging.
References Ulrich, P., et al. Aminobenzoic Acids and Derivatives and Methods of Use for Preventing Protein Aging. US Patent 5514676. May 7 1996.

Applications N-Nitrososarcosine-d3 is a labelled carcinogen compound.
References Lu, S., et al.: Cancer Res., 46, 1485 (1986), Tricker, A., et al.: Eur. J. Cancer Prev., 6, 226 (1997),

Applications Labelled Xanthurenic Acid (X743500). Excreted by pyridoxine-deficient animals after the ingestion of tryptophan.
References Aquilina, J., et al.: Biochemistry, 39, 16176 (2000), Roberts, J., et al.: Photochem. Photobiol., 74, 740 (2001),

Applications 2,3-Dihydroxy-4-oxopentanoic Acid is a secondary organic aerosol.
References Kleindienst, T., et al.: Atmospheric Environ., 41, 8288 (2007); Stone, E., et al.: Environ. Sci. Tech., 43, 3448 (2009)

Applications Carboxymethyl Cellulose Ether is used as a thickener to enhance rigidity and composition of pharmaceutical compounds as well as the stability of electrode slurries in composite electrodes. Also provides ion-exchange for chromotography media.
References Salerno, C. et al.: AAPS PharmSciTech., 11, 986 (2010); Porcher, W. et al. J. Electrochem. Soc., 156, A133 (2009); Wang, H. et al.: Biochem. Biophys. Res. Comm., 342, 349 (2006);

Applications 2,2'-Thiodiacetic Acid is a highly flexible ligand used in the synthesis of a series of metal complexes.
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 Hou, X., et al.: Chin. J. Struct. Chem., 32, 1339 (2013); Wu, X.X., et al.: Synth. React. Inorg. Me., 44, 486 (2014); Ma, C., et al.: J. Inorg. Organomet. P., 22, 1206 (2012)

Applications 2-Phenylbutyrylurea is used in the synthesis and discovery of novel trypanosomicidal drug-like compounds which is useful in the treatment of diseases. A degradation product of Phenobarbitol (P316760).
References Castillo-Garit, J. et al.; Eur. J. Med. Chem., 46, 3324 (2011);

Applications 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 Polythiazide is a thiazide diuretic. Polythiazide is used in the treatment of hypertension as well as nephrotic syndrome, cirrhosis of the liver, and nutritional edema.
References Kaur, J. et al.: J. Ind. Med. Assoc., 48, 13, (1967); Lund-Johansen, P.: Acta Med. Scand., 187, 509 (1970); O'Brien, E.T. et al.: Br. Heart J., 34, 1042 (1972);

Applications N6,O2'-Dimethyladenosine-d3 is an isotopic analog of N6,O2'-Dimethyladenosine (D447415), a naturally occurring modified nucleoside in RNA. It was reported in the preparation of alkylated adenosines as antihypertensive agents.
References Yamada, T., Kageyama, K.: Eur. Pat. Appl. (1988), EP 269574 A2 19880601; Aduri, R., et al.: J. Chem. Theory Comput., 3, 1464 (2007);