Étalons pharmaceutiques

Applications 1-(4-Chlorophenyl)-3-[(2-nitrophenyl)methoxy]pyrazole is an intermediate for the synthesis of Pyraclostrobin-d6 (P840402). Isotope labelled Pyraclostrobin is a fungicide for use in seed grass and food crops.
References Gyldenkaerne, S., et al.: Pestic Sci., 55, 1210 (1999), Pennington, D., et al.: Environ. Sci. Technol., 39, 1119 (2005), Wang, S., et al.: Food Control., 18, 731 (2007),

Applications Intermediate for the synthesis of 4-Hydroxymethyl Loratadine.
References Cerrada, V., et al.: ARKIVOC, 9, 200 (2005).

Applications 2',5'-Difluoroacetophenone is used in the synthesis of pyrazole compounds as inhibitors of dipeptidyl peptidases. These compounds have been shown to produce anti-hyperglycemic effects.
References Hsu, T. et al.: J. Chin. Chem. Soc., 56, 1048 (2009);

Applications 2-(Bromomethyl)-1,4-naphthoquinone is used in the preparation of naphthoquinone derivatives which has neoplasm inhibiting activity.
References Lin, A. J., et al.: J. Med. Chem., 16, 1268 (1973);

Applications Labelled Dimethylaminopropyl chloride hydrochloride (D461800), used as a pharmaceutical intermediate for the synthesis of drugs, agricultural chemicals, photographic chemical and biochemical reagent. Displays mutagenic activity.
References Sanderson, D., et al.: Hum. Exp. Toxicol., 10, 261 (1991), Richard, A., et al.: Mutat. Res., 400, 493 (1998), McKinney, J., et al.: Toxicol. Sci., 56, 8 (2000),

Applications 2,2'-(2-Hydroxypropane-1,3-diyl)bis(1H-isoindole-1,3(2H)-dione) is a reagent used for the preparation of functionalized tripodal ligands and their metal complexes for imaging applications.
References Dunn, T.J., et al.: PCT Int. Appl., 1995:494561 (1995)

Applications Methyl 4-hydroxy-4-methyl-2-(3-nitrophenyl)-6-oxocyclohexanecarboxylate is an impurity of Nicardipine (N394500).

Applications α-D-Glucopyranuronic Acid Methyl Ester 2,3,4-Tribenzoate 1-Methanesulfonate is a reactant in organic synthesis. It is used in the preparation of novel quaternary glucuronyl reagent for preparation of tertiary amines.
References Araya, I. & Akita, H.: Heterocycles., 75, 1213 (2008)

Applications D-Biotin impurity. Used in the synthesis of D-Biotin.

Applications Labelled p-Coumaric Acid 4-O-Sulfate, the sulfate conjugate of p-Coumaric Acid. p-Coumaric Acid 4-O-Sulfate is one of the metabolites in human biological fluids after coffee consumption. p-Coumaric Acid 4-O-Sulfate is also a metabolite of 4-Nonylphenol (N650430).
References Fumeaux, R. et al.: Org. Biomol. Chem., 8, 5199 (2010); Zalko, D. et al.: Drug Metab. Disp., 31, 168 (2003); Thibaut, R. et al.: Xenobiotica, 28, 745 (1998);

Applications 5-Methoxyoxazole-2-carboxylic Acid Methyl Ester,is a oxazole-containing compound, that can be extensively used in medicinal chemistry. The oxazole group is a key element of a number of biologically active natural products.
References Thalhammer, A., et al.: Tetrahedron Lett., 50, 1045 (2009);

Applications Tetramethyl-d12-urea (CAS# 51219-89-7) is a useful isotopically labeled research compound.

Applications γ-Valerolactone-d3 is the isotope labelled analog of γ-Valerolactone. γ-Valerolactone is a naturally occurring chemical found in fruits and is frequently used as a food additive. It can be converted to liquid alkenes which can be used as transportation fuels.
References Horvath, I.T., et al.: Green Chem., 10, 238 (2008); Bond, J.Q., et al.: Science, 327, 1110 (2010)

Applications 2-Amino-3’-hydroxy-acetophenone Hydrochloride is a reactant in the synthesis of TRPM8 modulators.
References PCT Int. Appl. (2014), WO 2014130582 A2 20140828;

Applications 2’-Deoxy-3’,5’-di-O-acetylguanosine reacts with hypobromous acid (HOBr) to form a major product, spiroiminodihydantoin.
References Suzuki, T., et al.: Bioorg. Med. Chem., 21, 3674-3679 (2013)

Applications N1,O2'-Dimethyladenosine Monohydriodide-d3, is the labeled a analogue of N1,O2'-Dimethyladenosine Monohydriodide (D447411), is an intermediate useful in the synthesis of N6,O2'-Dimethyladenosine (D447415), which is 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);

Applications Isotope labelled (R)-(-)-2-Oxothiazolidine-4-carboxylic Acid (O870505), a precursor to glutathione (GSH) which is an important antioxidant in plants, animals and fungi.
References Meister, A., et al,: J. Am. Coll. Nutr., 5, 137 (1986);

Applications Testosterone Hexanoate-d11 is the isotopic analog of Testosterone Hexanoate. Testosterone Hexanoate is a metabolite of testosterone(T155000), which is used in analytical studies to determine the use of anabolic steroid esters and related compounds in equine hair sample though ultra high performance liquid chromatography-tandem mass spectrometry.
References Gray, B.P., et al.: Analtica Chemica Acta, 787, 163 (2013); McKinney, A., et al.: Bioanalysis 1, 785 (2009)

Applications (+)-Biotinyl 3,6,9-Trioxaundecanediamine is a biotin derivative and is used as a reagent in the synthesis of a potent, covalent BTK inhibitor for B-cell lymphoma.
References Wu, H., et al.: ACS Chem. Biol., 9, 1086 (2014)

Applications 1-(2-Hydroxyphenyl)-2-nitropropene (cas# 86029-73-4) is a useful research chemical.

Applications 2'-Hydroxyflavone (cas# 35244-11-2) is a useful research chemical.

Applications 2-Quinoxalinecarboxylic Acid Methyl Ester has been used as a reactant in the synthesis of quinoxaline derivatives that show antimycobacterial activity, while displaying minor activity itself. In addition to having the substructure that exhibits antitumor activity, it is also used in the design of guanine-guanine selective DNA cleaving agents.
References Seitz, L.E. et al.: J. Med. Chem., 45, 5604 (2002); Toshima, K. et al.: Chem. Comm., 3, 212 (2002);

Applications S-Benzoyl Tiopronin-d5 is labelled S-Benzoyl Tiopronin (B209585) which is used to prepare radiolabeled platelet GPIIb/IIIa receptor antagonists as imaging agents for the diagnosis of thromboembolic disorders.
References DeGrado, W., et al.: PCT Int. Appl., WO 9422494 A1 19941013 (1994)

Applications 3-Methoxy Acetaminophen-d3 is deuterium labeled 3-Methoxy Acetaminophen (M226050). 3-Methoxy Acetaminophen 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).
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 H-D-Phe-Homopro-Arg-pNA.2 Acetate is a useful organic reagent.

Applications 5-Amino-1H-indazole-7-carboxylic Acid Methyl Ester can be used in preparation of azabenzimidazoles as AMPA receptor modulators useful in treating diseases.
References Berry, C., et al.: PCT Int. Appl., WO 2016176460 A1 20161103 (2016)

Applications 6-Methoxy-2-naphthylboronic Acid, is used for the synthesis of Nabumetone (N200500), and its impurities , such as 6,6'-Dimethoxy-2,2'-binaphthalene (D461365).
References Kumpulainen, H., et al.: J. Med. Chem., 49, 1207 (2006); Pinto-Bazurco, M. A. E., et al.: Bioorg. Med. Chem. Lett., 18, 267 (2008);

Applications 5'-S-(3-Aminophenyl)-5'-thioadenosine is an intermediate used in the synthesis of S-adenosylhomocysteine analogs with biological activities.
References 5'-S-(3-Aminophenyl)-5'-thioadenosine is an intermediate used in the synthesis of S-adenosylhomocysteine analogs with biological activities.

Stability Moisture Sensitive
Applications 2-Acetamido-5-nitrophenylboronic acid, pinacol ester

Applications 4-Aminobenzoic-​2,​3,​5,​6-​d4 Acid Methyl Ester is an intermediate in the synthesis of DMABA-d4 NHS Ester (D678402), which is a labelled DMABA NHS ester (D678400). DMABA NHS ester is a reagent that reacts with the primary amine group of PE lipids. DMABA NHS ester has been used in combination with DMABA NHS ester-d4, -d6, and -d10 to study relative changes in PE lipid abundance before and after radical oxidation.
References Wester, H., et al.: Nucl. Med. Bio., 23, 365 (1996), Frees, D., et al.: Mol. Microbiol., 48, 1565 (2003), Michel, A., et al.: J. Bacteriol., 188, 5783 (2006), Voelker, T., et al.: Bioorg. Med. Chem., 17, 2047 (2009),