Heterocycles with Nitrogen (N)

Applications 2-Aminopyrimidine is used in the synthesis of sulfonamides as isoform-selective inhibitors with efficacy in rodent pain models.
References Focken, T. et al.: ACS Med. Chem., 7, 277 (2016); Reddy, M. et al.: Bioorg. Med. Chem., 24, 521 (2016);

Stability Light Sensitive
Applications 1-[4-bromo-2-(trifluoromethyl)phenyl]-1H-1,2,3-triazole-4-carboxylic acid (cas# 1179507-09-5) is a useful research chemical.

Applications N-Methylsuccinimide-d3 is the isotope labelled analog of N-Methylsuccinimide (M329425); a model compound used to investigate the mechanism of enolization step by density-functional theory (DFT) calculations. N-Methylsuccinimide is a metabolite of N-methyl-2-pyrrolidone (NMP) and its presence in plasma and urine can be used as a biomarker of exposure to NMP
References Takahashi, O., et al.: Chem. Biodivers., 7, 1349 (2010)

Applications 2-[(p-chlorobenzyl)amino]-pyridine is a useful synthetic intermediate. It can be prepared via selective iridium-catalyzed alkylation of (hetero)aromatic amines.
References Blank, B., et al.: Chem. Eur. J., 15, 3790 (2009); Liu, C., et al.: J. Org. Chem., 76, 5759 (2011)

Applications 2-Amino-4-hydroxy-6-chloro-s-triazine is an aromatic intermediate compound useful for the preparation of substituted melamine, ammelides, and ammelines.
References Hapeman, C., et al.: J. Agric. Food Chem., 43, 1383 (1995), Garcia-Montano, J., et al.: Environ. Sci. Technol., 42, 6663 (2008),

Applications Used in the immunoassay studies. Pretreatment reagents and methods, and application to assays for immunosuppressant drugs. Buffered, phosphate-containing media suitable for aluminum toxicity studies.
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 Kinraide, T., et al.: Plant Cell Environ., 12, 479 (1989), Wright, R., et al.: Soil Sci., 148, 293 (1989), Parker, D., et al.: Environ. Sci. Technol., 26, 908 (1992),

Stability Moisture Sensitive
Applications N-Methyl-1H-imidazole-1-carboxamide is a useful Methyl Isocyanate (MIC) substitute.

Applications 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone is used in preparation and structure of alkaline earth iodide phosphine oxide and urea complexes as reactant or reagents.
References Fitts, Lacey S., et al.: New J. of Chem., (2016); Hall, Jessica E., et al.: Angew. Chem. Int. Ed., 55, 11153-11157 (2016)

Stability Hygroscopic
Applications 1H-Pyrrolo[3,2-b]pyridine-2,3-dione (cas# 153072-89-0) is a useful research chemical.

Applications 1-(4-Hydroxyphenyl)piperazine

Applications N-Methylsuccinimide is used as a model compound to investigate the mechanism of enolization step by density-functional theory (DFT) calculations. N-Methylsuccinimide is a metabolite of N-methyl-2-pyrrolidone (NMP) and its presence in plasma and urine can be used as a biomarker of exposure to NMP
References Takahashi, O., et al.: Chem. Biodivers., 7, 1349 (2010)

Applications methyl 1-(2,4-difluorophenyl)-3-phenyl-1H-pyrazole-5-carboxylate (cas# 1202030-37-2) is a useful research chemical.

Applications Vardenafil oxopiperazine-D6 is a labelled analogue of Vardenafil oxopiperazine (V098030)

Applications 2,6-diethylpyrazine (cas# 13067-27-1) is a useful research chemical.

Applications Pyridine-2-aldoxime (cas# 873-69-8) is a useful research chemical.

Applications 4-Acetylpyridine is a acetylated pyridine used in the preparation of nitrogen containing bicyclic heterocycles and other organic compounds. 4-Acetylpyridine is also present in mainstream cigarette smoke.
References Kulshreshtha, N.P. et al.: J. Chrom. A, 985, 303 (2003); Scian, M. et al.: Inhal. Toxicol., 21, 1040 (2009);

Applications 2,2,6,6-Tetramethyl-1-hydroxypiperidine is a reactant used in various synthesis and investigations. It was used as a reactant in the study of predicting organic hydrogen atom transfer rate constants using the Marcus cross relation. 2,2,6,6-Tetramethyl-1-hydroxypiperidine was also used as a reactant in the preparation of ammonia from an iron nitrido complex.
References Scepaniak, J., et al.: Angew. Chem. Int. Ed., 48, 3158 (2009); Warren, J., Mayer, J.: Proc. Natl. Acad. Sci. U.S.A., 107, 5282 (2010);

Applications 3-Cyanopyridine is used in the preparation of arylthiazolines and arylimidazolines via dibromodimethylhydantoin-catalyzed condensation of aryl nitriles with ethylene diamine or aminoethanethiol.
References Hojati, S. F., et al.: Can. J. Chem., 88, 135 (2010);

Applications Urazole (cas# 3232-84-6) is a useful research chemical.

Applications 5-(Ethylthio)-1h-tetrazole

Applications 2-Butyl-5-chloro-1H-imidazole (cas# 158365-99-2) is a compound useful in organic synthesis.
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 2,5,6-Triaminopyrimidin-4(1H)-one sulphate (cas# 39267-74-8) is a useful research chemical.

Applications 2-Amino-5-pyrimidinol (cas# 143489-45-6) is a compound useful in organic synthesis.

Applications 4-Nitro-1H-imidazole-1-ethanol

Stability Light Sensitive
Applications 1-Vinyl-2-pyrrolidinone is used in the preparation of NMDA receptor antagonists. Also used in the synthesis of copolymers used to stabilize rhodium nanoclusters.
References Leeson, P. et al.: J. Med. Chem., 35, 1954 (1992); Mu, X. et al.: J. Am. Chem. Soc., 127, 9694 (2005);

Applications 1,3,5-trimethyl-1H-pyrazole-4-carboxylic acid (cas# 1125-29-7) is a useful research chemical.

Applications s-Triazine-1,3,5-triethanol (cas# 4719-04-4) is a compound useful in organic synthesis.

Applications 2-(1h-1,2,4-Triazol-1-Yl)Acetic Acid (cas# 28711-29-7) is a useful research chemical.

Applications 2,4-Diaminopyrimidine-5-carbonitrile is used as an intermediate for the preparation of medicines and agrochemicals (1).
References (1) Otzen, T., et al.: J. Med. Chem., 47, 240 (2004)

Impurity Minoxidil EP Impurity B
Applications 6-Chloro-pyrimidine-2,4-diamine (cas# 156-83-2) is a compound useful in organic synthesis.

Applications 6,7-Dimethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one is an analogue of Terazosin (T105000), an α-1-adrenergicblocker related to prazosin (P702325).
References Patterson, S.E., et al.: J. Chromatog., 311, 206 (1984), Fort, F.L., et al.: Drug Chem. Toxicol., 7, 435 (1984), Lepor, H., et al.: J. Urol., 148, 1467 (1992),

Applications N-Benzyl-4-carboethoxypiperidine (cas# 24228-40-8) is a compound useful in organic synthesis.
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 6-Methoxy-N2-methylpyridine-2,3-diamine dihydrochloride (cas# 83732-72-3) is a useful research chemical.

Applications 3-Chloro-6-phenylpyridazine (cas# 20375-65-9) is a useful research chemical.

Applications 3-(Salicyloylamino)-1,2,4-triazole (cas# 36411-52-6) is a useful research chemical.

Applications Benzotriazol-1-yl-oxytripyrrolidinphosphonium Hexafluorophosphate (cas# 128625-52-5) is a compound useful in organic synthesis.

Applications 3-(Methoxycarbonyl)pyridine-5-boronic acid, pinacol ester

Applications POLY(4-HYDROXY-2,2,6,6-TETRAMETHYL-1-PIPERIDINEETHANOL-ALT-1,4-BUTANEDIOIC ACID) (cas# 65447-77-0) is a useful research chemical.

Applications N,N'-Di-4-pyridinyl-methanediamine is used to prepare bis(heteroaryl)-imidazolidinediones with oxalyl chloride.
References Ghandi, M., et al.: Synth. Comm., 37, 637 (2007)

Impurity Carglumic Acid Impurity B
Applications 3-(2,5-Dioxoimidazolidin-4-yl)propanoic Acid is defined as combinational markers to distinguish hepatocellular carcinoma (HCC) from cirrhosis (CIR).
References Shao, Y., et al.: J. Proteome Res., 14, 906-916 (2015)

Applications An intermediate in the synthesis of Prasugrel (P701150).

Applications 4-(Trifluoromethyl)-3-Pyridinecarboxylic Acid is a useful synthetic intermediate. It can be used to prepare pyridine carboxamides as palm site inhibitors of HCV NS5B polymerase. It can also be used to synthesize pyrazolylcarboxanilides as Ca2+ release-activated Ca2+ (CRAC) channel inhibitors.
References Cheng, C., et al.: ACS Med. Chem. Lett., 1, 466 (2010); Yonetoku, Y., et al.: Bioorg. Med. Chem., 16, 9457 (2008)

Applications 3-(4-iodo-1H-pyrazol-1-yl)propanenitrile (cas# 88393-88-8) is a useful research chemical.

Applications N-Succinimidyl 3-Methoxy-4-nitrobenzoate (cas# 2006277-78-5) is a useful research chemical.

Applications 6-(Dibutylamino)-1,3,5-triazine-2,4-dithiol (cas# 29529-99-5) is a useful research chemical.

Applications 4-(2-cyclopropyl-1,3-oxazol-5-yl)aniline (cas# 1031130-92-3) is a useful research chemical.

Applications Isotope Labelled 2-Bromopyridine is a 2-halogenated pyridine used in the preparation of a variety of biologically active compounds such as antimalarial agents and beta-adrenoceptor agonist.
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 LaMontagne, M.P. et al.: J. Med. Chem., 17, 519 (1974); Yoshizaki, S. et al.: Chem. Pharm. Bull., 37, 3430 (1989);

Applications Methyl 2-Oxo-1-pyrrolidineacetate is used a reagent in the synthesis of benzoquinolizidine and benzoindolizidine derivatives as anti-amnesic agents. It is also used as a a reagent in the synthesis of (acylamino)acridines as choline uptake enhancers.
References Zhao, S., et al.: Bioorg. Med. Chem., 7, 1637 (1999); Chaki, H., et al.: Bioorg. Med. Chem. Lett., 5, 1489 (1995)

Applications 2-ethoxy-3-ethylpyrazine (cas# 35243-43-7) is a useful research chemical.

Applications 2,3,5-Trichloropyridin-4-amine (cas# 28443-69-8) is a useful research chemical.

Impurity Clavulanate Potassium EP Impurity C
Applications 3-Ethyl-2,5-pyrazinediethanol (Clavulanate Potassium EP Impurity C) is an impurity of Clavulanic acid (C563750). High concentrations of Clavulanic acid but not of its degradation products decrease glycerol consumption and oxygen uptake rates in cultures of Streptomyces clavuligerus.
References Zupke, C., et al.: Biotechnol. Prog., 10, 489 (1994), Finlay, J., et al.: J .Antimicrob. Chemother., 52, 18 (2003), Alper, H., et al.: Science, 314, 1565 (2006), Brethauer, S., et al.: Biotechnol. Bioeng., 98, 356 (2007),

Applications 2-Amino-3,5-dibromopyrazine is used in the preparation of conjugated polymers for neurotoxin detection. 2-Amino-3,5-dibromopyrazine is an intermediate in the preparation of rho kinase (ROCK) inhibitors.
References Thomas, J. et al.: Polym. Prepr., 46, 1211 (2005); Henderson, A.J. et al.: Bioorg. Med. Chem. Lett., 20, 1137 (2010);

Applications 2-Phenyl-1H-benzimidazole is a reagent used in the synthesis of various aryl-substituted benzimidazole derivatives. Also used in the synthesis of benzimidazole and quinocaline derivatives
References Saleh, V. et al.: Org. Chem. Int., 1, (2015); Hasanpour, M. et al.: J. Chin. CHem. Soc., 62, 412 (2015);

Applications Used for preparation of thieno-tetrahydropyridines useful as class III antiarrhythmic agents.
References Bahekar, R., et al.: Bioorg. Med. Chem., 15, 5950 (2007), Hayakawa, M., et al.: Bioorg. Med. Chem. Lett., 17, 2438 (2007),

Applications 1-(oxan-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (cas# 1487610-80-9) is a useful research chemical.

Applications 2,4-Diaminopyrimidine 3-N-Oxide is a useful organic synthetic reagent for the preparation of pyrimidines and in the making of hair loss and skin care compositions.
References von, A. S., et al.: Science of Synthesis, 16, 379 (2004); Mahe, Y., et al.: Skin Pharmacol., 9, 177 (1996); Hocquaux, M., et al.: From PCT Int. Appl. (1992), WO 9201437 A1 19920206

Applications Tolyltriazole acts as a corrosive inhibitor and is used as corrosion protection on top of metals such as copper.
References Hseih, M. et al.: Ind. Eng. Chem. Res., 49, 7313 (2010);

Applications 1-Hydroxy-7-azabenzotriazole (cas# 39968-33-7) is a compound useful in organic synthesis.
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 3,4-Diaminopyridine-d3 is the deuterium labelled analog of the drug 3,4-Diaminopyridine (D415950), which is used as a reagent in the preparation of 9-deazaxanthine derivatives which has activity as dual A2A antagonists/MAO-B inhibitors with potential as anti-Parkinson's agents.
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 Rivara, S., et al.: J. Med. Chem., 56, 1247 (2013)

Applications 1,3-Dimethylpyrazole (cas# 694-48-4) is a compound useful in organic synthesis.