Heterocycles with Nitrogen (N)

Stability Light Sensitive, Moisture Sensitive
Applications (1-Oxyl-2,2,5,5-tetramethyl-4-(pyridin-3-yl)-2,5-dihydro-1H-pyrrol-3-yl)methyl Methanesulfonate is an intermediate in the synthesis of highly active spin labelling reagents.

Stability Hygroscopic
Applications An intermediate of 5-Fluoro Risperidone (F595925).
References Strupczewski, J.T., et al.: J. Med. Chem., 28, 761 (1985),

Applications 2-​Amino-​5-​(trifluoromethyl)​ is a reagent used in the synthesis of selective inhibitors of urokinase plasminogen activator in a non-cytotoxic form of cancer therapy.
References Gladysz, R. et al.: J. Med. Chem., 58, 9238 (2015);

Applications (2,3-Dimethylpyridin-4-yl)boronic Acid is used to prepare substituted azaanthracene derivatives as GLP-1 receptor modulators useful in the treatment of GLP-1 receptor-mediated diseases
References Mjalli, A., et al.: PCT Int. Appl. (2010), WO 2010114824 A1 20101007

Applications 5-Bromo-4-chloro-2,6-dimethoxypyrimidine (cas# 42362-16-3) is a compound useful in organic synthesis.

Applications 2-Oxo-2-(1-phenyl-1H-pyrazol-4-yl)acetic Acid is a derivative of N-Phenylpyrazole, a reactant in the synthesis of candesartan cilexetil(C175580), an ester prodrug; hydrolized in vivo to the active carboxylic acid. Used in treatment of congestive heart failure. Antihypertensive.
References Seki, M. et. al: ACS Catalysis, 4, 4047 (2014); Shibouta, Y., et al.: J. Pharmacol. Exp. Ther., 266, 114 (1993; Ogihara, T., et al.: Clin. Ther., 16, 74 (1994)

Applications 1-Benzo[b]thien-4-yl-piperazine is the starting material to prepare piperazine-substituted benzothiophenes useful in treatment and prevention of mental disorders including CNS disorders.
References Yamashita, H., et al.: PCT Int. Appl., WO 2006112464 A1 20061026 (2006)

Applications Used for preparation of substituted phenyl-containing imidazolium ionic liquid.
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 Peris, E., et al.: Coord. Chem. Rev., 248, 2239 (2004),

Applications Ethyl 2,5-Dibromo-1,3-oxazole-4-carboxylate is useful for the synthesis of substituted oxazoles.
References Hodgetts, K. J., et al.: Org. Lett., 4, 2905-2907 (2002)

Applications 3-phenyl-1H-pyrrole-2-carboxylic acid (cas# 802052-63-7) is a useful research chemical.

Applications 2,4-DIHYDRO-[1,2,4]TRIAZOLE-3-THIONE (cas# 3179-31-5) is a useful research chemical.

Applications Pyrrole-2-carboxylic Acid is a reagent used in the synthesis of potent small molecule inhibitors of severe acute respiratory syndrome (SARS) coronavirus. Also used in the synthesis of [2,3-c]pyridine-7-one scaffolds.
References Jacobs, J. et al.: 56, 534 (2013); Nechayev, M. et al.: Mol. Div., 16, 749 (2012);

Applications 5-Bromo-2-methoxy-4,6-dimethyl-pyrimidine can be synthesized from 4,6-Dimethyl-2-hydroxypyrimidine (D476275), a component of Nicarbazine (N394530).
References Ksenija Sinigoj, G., et al.: Slovenski Kemijski Dnevi, (2012); Kyung-Woo, L., et al.: Han'guk Kagum Hakhoechi, 39, 17 (2012);

Applications 5-Hydroxy-N-methyl-2-pyrrolidinone-d3 is an isotopically labelled analogue of the metabolite of N-methylpyrrolidone (NMP, M326120).
References Payan, J., et al.: Drug Metab. Dispos., 30, 1418 (2002), Carnerup, M., et al.: Food Chem. Toxicol., 43, 1441 (2005), Angerer, J., et al.: Toxicol. Sci., 93, 3 (2006),

Applications 4-Amino-1,5-dimethylpyrazole is used in the preparation of pyridine compounds as focal adhesion kinase inhibitors.

Applications 4-(2-Oxopyrrolidin-1-yl)butanoic acid (cas# 6739-80-6) is a useful research chemical.

Applications 3-Hydroxymethyl-(1-oxy-2,2,5,5-tetramethylpyrroline)-15N is an isotope labelled spin-labelling compound.

Stability Light Sensitive
Applications 4-(1-Naphthylvinyl)pyridine (cas# 16375-56-7) is a useful research chemical.

Applications Methyl (αS)-α-(2-chlorophenyl)-2,6,7,7a-tetrahydro-2-oxothieno[3,2-c]pyridine-5(4H)-acetate is the essential intermediate metabolite from which the active metabolite of Clopidogel is formed.
References Feliste, R., et al.: Thromb. Res., 48, 403 (1987), Savi, P., et al.: Biochem. Pharmacol., 44, 527 (1992), Herbert, J., et al.: Cardiovasc Drug. Rev., 11, 180 (1993), Sugidachi, A., et al.: B. J. Pharmacol., 132, 47 (2001)

Applications 2-Amino-3-hydroxypyridine (cas# 16867-03-1) is a compound useful in organic synthesis.

Applications Pyrrole-2,3,4,5-d4 (CAS# 17767-94-1) is a useful isotopically labeled research compound.

Applications 1-Pyridin-3-yl-piperazine Hydrochloride is a reactant used in discovery of N-aryl Piperazines as selective mGluR5 potentiators. It was also used in the synthesis of piperazine-pyridazinone derivatives that have binding affinity toward α1-, α2-adrenergic and 5-HT1A receptors.
References Betti, L., et al.: Bioorg. Med. Chem., 14, 2828 (2006); Zhou, Y., et al.: ACS Med. Chem. Lett., 1, 433 (2010);

Applications N-[2-(Phenylthio)phenyl]-1-piperazine-d8-carboxamide Hydrochloride is the labeled analog of N-[2-(Phenylthio)phenyl]-1-piperazinecarboxamide Hydrochloride, an impurity of Quetiapine (Q510000), a benzothiazepine with mixed serotonin and dopamine receptor antagonistic properties; used as an antipsychotic.
References Stolarczyk, E.U., et. al.: Pharm. Develp. Tech., 14, 27 (2009); Wetzel, H., et al.: Psychopharmacology, 119, 231 (1995)