Heterocycles with Nitrogen (N)

Applications 4'-Bromo-2,2':6',2''-terpyridine (cas# 149817-62-9) is a useful research chemical.

Applications Used as a reagent for the synthesis of acridine (A190900) derivatives and fibrinogen receptor antagonists.
References Yang, D. et al.: Macromol., 35, 5304 (2002); Harrison, R.J. et al.: Bioorg. Med. Chem. Lett., 9, 2463 (1999);

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

Applications Used in the novel synthesis of biologically active nitro heterocyclic 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
References Pawar, N., et al.: Eur. J. Pharm. Sci., 21, 115 (2004), Badgujar, D., et al.: J. Sci. Ind. Res., 66, 250 (2007),

Stability Air Sensitive, Hygroscopic, Moisture Sensitive
Applications N-Bromosuccinimide is a brominated succinimide used as a chemical reagent in radical substitution and electrophilic addition reactions 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
References Alberola, A. et al.: Anal. Quim., 74, 761 (1968); Kobayashi, T. et al.: J. Chem. Soc. Perk. Trans., 12, 1372 (2001); Paulini, K. et al.: CHem. Ber., 127, 685 (1994);

Applications 6-phenyl-1,3,5-triazine-2,4-diamine (cas# 91-76-9) is a useful research chemical.

Applications 3-Ethyl-2,4-dimethyl-1H-pyrrole is a important diagnostic compound for pyrrole disorder or pyroluria, an abnormality in biochemistry resulting in overproduction of pyrrole molecules and resulting in improper hemoglobin synthesis.
References Walsh, W.J., et al.: Physiol. Behav., 82, 835 (2004); Inrvine, D.G., et al.: Clin. Chem., 24, 2069 (1978);

Applications Pyrazine 1,4-Dioxide (cas# 2423-84-9) 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 N~2~,N~2~-diallyl-1,3,5-triazine-2,4,6-triamine (cas# 91-77-0) is a useful research chemical.

Impurity Terazosin EP Impurity O
Applications 1,4-Bis[(tetrahydro-2-furanyl)carbonyl]-piperazine (Terazosin EP Impurity O) is a useful synthetic intermediate. It is a derivative of Terazosin (T105000(P)), which is an α-1-adrenergicblocker related to prazosin.
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 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)

Impurity Cefoperazone EP Impurity C
Applications N-Methyl-5-tetrazolethiol (Cefoperazone EP Impurity C) is an impurity of Cefoperazone.
References Kitson, T., et al.: Biochem. J., 175, 83 (1978), Elenbaas, R., et al.: Clin. Pharmacol. Ther., 32, 347(1982),

Applications 6,7-Dihydro-6-mercapto-5H-pyrazolo[1,2-a][1,2,4]-triazolium chloride (cas# 153851-71-9) is a useful research chemical.

Applications Labelled nitro substituted piperazine.

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

Applications 2-Hydroxypyrimidine Hydrochloride, is used as a reagent in the synthesis of BI 207524, an indole diamide NS5B thumb pocket 1 inhibitor with improved potency for potential treatment of chronic hepatitis C virus infection.
References Beaulieu, P.L., et al.: J. Med. Chem., 57, 10130 (2014)

Stability Hygroscopic
Applications 2,6-Dimethoxypyridine-3,5-diamine hydrochloride (cas# 56216-28-5) is useful component in hair dyes. Has cosmetic applications.
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 Krohn, R., et al.: PCT Int. Appl. (2020), WO 2020089365 A1

Applications 1-(4-Hydroxyphenyl)piperazine

Applications 2-Amino-4,6-dimethylpyrimidine is a bioactive compound.
References Phan, D. C., et al.: Hoa Hoc Va Cong Nghiep Hoa Chat, 8, 30 (2001); Shen, Z., et al.: Yingyong Huagong, 37, 721 (2008)

Applications Oxidation and chlorination reagent.

Applications 4-Amino-2-chloro-3-methylbenzonitrile is a reagent used in synthesis of imidazolin-2-ones, which is designed and synthesized as highly potent, orally active and muscle selective androgen receptor modulators (SARMs).
References Li, J. J., et al.: J. Med. Chem., 50, 3015-3025 (2007)

Applications 3-(piperidin-4-yl)imidazo[1,5-a]pyridine (cas# 301221-44-3) is a useful research chemical.

Stability Hygroscopic
Applications 5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic Acid Hydrochloride is used as a reagent in the synthesis of N-(2-acylaminobenzyl or 2-acylaminoheterocyclylmethyl)thiophene-2-carboxamide derivatives as antithrombotics. It is also used as a reagent in the synthesis of diamide derivatives as FXa inhibitors. 5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic Acid Hydrochloride is an intermediate for Edoxaban (E555520).
References Mochizuki, A., et al.: Jpn. Kokai Tokkyo Koho. JP 2010120852 A 20100603. Jun 3, 2010; Mochizuki, A., et al.: PCT Int. Appl. WO 2008123017 A1 20081016. Oct 16, 2008

Applications 3,4-Dimethylpyrazole (cas# 2820-37-3) is a compound useful in organic synthesis.

Applications A nitro substituted piperazine.

Stability Light Sensitive
Applications 1-Vinylimidazole (cas# 1072-63-5) is a useful research chemical.

Applications Intermediate in the production of Methotrexate
References Chiosis, G., et al.: Bioorg. Med. Chem., 10, 3555 (2002), Palanki, M., et al.: J. Med. Chem., 50, 4279 (2007), Zav'yalov, S., et al.: Pharm. Chem. J., 42, 51 (2008),

Applications 5-(1H-Pyrrol-1-yl)-1H-benzo[d]imidazole-2-thiol (cas# 172152-53-3) is a useful research chemical.

Applications 1,2-Dimethyl-1H-imidazole-5-sulphonyl Chloride (cas# 849351-92-4) is a useful research chemical.

Impurity Piracetam EP Impurity C
Applications Ethyl 2-(2-oxopyrrolidin-1-yl)acetate is a reagent in the preparation of N-substituted-2-oxopyrrolidinylacetamides which have anticonvulsant activities.
References Al-Obaid, A. M., et al.: Med. Chem. Res., 9, 696 (1999);

Applications 4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridine (cas# 109904-25-8) is a compound useful in organic synthesis.

Applications (3-Chloropyrazin-2-yl)methanol (cas# 89283-32-9) is a useful reagent for the preparation of indazolylquinazolinones as inhibitors of human immunodeficiency virus replication.
References Gillis, E. P., et al.: PCT Int. Appl. (2020), WO 2020084492 A1

Applications 5-Aminomethyl-2-chloropyridine is a reagent that is used in the synthesis of macamides and analogs that have FAAH (fatty acid amide hydrolase) inhibitory activity.
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 Wu, H., et al.: Bioorg. Med. Chem., 21, 5188 (2013);

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 4-(4-Chlorophenyl)-4-hydroxypiperidine (cas# 39512-49-7) is a compound useful in organic synthesis.

Applications (αR)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxy-benzeneacetic Acid is an intermediate used to prepare Cephalosporin derivatives with activities against both Gram-positive and Gram-negative bacteria.
References Albrecht, H., et al.: J. Med. Chem., 37, 400 (1994)

Applications 2,2,6,6-Tetramethylpiperidine is used in the syntheses of HMP-Y1, Hibarimicinone and HMP-P1, tyrosine kinase inhibitors.
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 Liau, B. et al.: J. Am. Chem. Soc., 134, 16765 (2012); Tatsuta, K. et al.: Tetrahedron Lett., 53, 422 (2012);

Applications An impurity arising in the synthesis of zoledronic acid (Z623500).

Applications 2-(5-tert-Butyl-2-hydroxyphenyl)benzotriazole is a chemical reagent used in the synthesis of UV stabilizers in environmental waters.Used in the detection of UV light filters in sediment and sewage.
References Liu, R. et al.: Talanta., 120, 158 (2014); Zhang, Z. et al.: Env. Sci. Tech., 45, 3909 (2011);

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 Hydrochloride salt of N-(β-Chloroethyl)piperidine is used in the inhibition of sickle-cell hemoglobin.
References Stubbins, J. et al.: Eur. J. Med. Chem., 14, 219 (1979);

Applications 2-Pyridineethanol is a metabolite of the anti-vertigo drug Betahistine (B324000).
References Botta, L. et al.: Acta Oto-Laryngol., 120, 25 (2000); Fossati, A. et al.: Pharmacol. Res., 43, 389 (2001); Konzett, H. et al.: J. Pharmacol. Exp. Ther., 178, 122 (1977);

Applications 2-[[(3aR,4S,6R,6aS)-6-[7-Chloro-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol is used as a reagent in the synthesis of Ticagrelor (T437700); an orally active reversible P2Y12 receptor antagonist for the prevention of thrombosis.
References Springthorpe, B., et al.: Bioorg. Med. Chem. Lett., 17, 6013 (2007)

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

Stability Hygroscopic
Applications 4-Aminopyridine N-Oxide (cas# 3535-75-9) 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-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 2-(Aminomethyl)pyrazine is a useful synthetic intermediate. It is used to synthesize pyrazolo[4,3-c]pyridinediones as orally bioavailable NADPH oxidase isoform 4 inhibitors for the treatment of idiopathic pulmonary fibrosis. It is also used to prepare pyrazolyl-indoles with the abilities to induce T-cell kinase inhibition.
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 Laleu, B., et al.: J. Med. Chem., 53, 7715 (2010); Velankar, A., et al.: Bioorg. Med. Chem., 18, 4547 (2010)