Hétérocycles azotés (N)

Applications 5-[1-(Methylthio)ethyl]-2-trifluoromethylpyridine is an intermediate in the synthesis of Sulfoxaflor (S755005), a novel pesticide of the sulfoximine group and the only sulfoximine class of pesticide that act on the central nervous system.
References Sparks, T.C., et al. Pestic. Biochem. Physiol., 107, 1 (2013);

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)

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

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 (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 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 Oxidation and chlorination reagent.

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 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)

Applications Benzotriazole (BT) is an anticorrosive agent well known for its use in aircraft deicing and antifreeze fluids but also used in dishwasher detergents. Benzotriazole is antiestrogenic in vitro but not in vivo.
References Rollinson, G., et al.: Biotechnol. Lett., 8, 303 (1986), Cancilla, D., et al.: Environ. Toxicol. Chem., 16, 430 (1997), Beresford, N., et al.: Toxicol. Appl. Pharmacol., 162, 22 (2000), Cornell, J., et al.: Environ. Toxicol. Chem., 19, 1465 (2000), Giger, W., et al.: Environ. Sci. Technol., 40, 7186 (2006),

Stability Hygroscopic
Applications 4-Hydroxy-1,1-dimethylpiperidinium Bromide is a derivative of 4-Hydroxypiperidine (H950845); a reagent used 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 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 N-(chloroacetoxy)succinimide is a N-hydroxysuccinimide ester of a simple carboxylic acid. N-(chloroacetoxy)succinimide is used in the preparation of organometallic complexes and other synthetic probes for the labeling of proteins.
References Salmain, M. et al.: Bioconj. Chem., 4, 425 (1993); Nonaka, H. et al.: J. AM. Chem. Soc., 129, 15777 (2007);

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

Applications 1-Isopropenyl-2-benzimidazolidinone (cas# 52099-72-6) 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 1,2,4-Triazol-4-amine is an intermediate used to prepare potent, selective, and orally active cyclooxygenase-​2 inhibitors. It is also used to synthesize hydroxyphenacyl azoles and related azolium derivatives as antifungal agents.
References Song, Y., et al.: J. Med. Chem., 42, 1151 (1999); Emami, S., et al.: Bioorg. Med. Chem. Lett., 18. 141 (2008)

Impurity Cetirizine EP Impurity G Dihydrochloride
Applications 4-(p-Chloro-α-phenylbenzyl)-1-piperazineethanol is used in the synthesis of antifungal triazole and imidazole derivatives. Impurity of an intermediate in the formation of Cetrizine.
References Rezaei, Z. et al.: Archiv. Pharm., 344, 658 (2011);

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 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),

Applications Pyridoxal 5-phosphate Hydrate (cas# 853645-22-4) is a useful research chemical.

Stability Light Sensitive, Decomposes Rapidly in Air, Temperature Sensitive
Applications It has been examined as a ligand and as a pseudo-cyanide.

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

Applications 1-Amino-imidazolidine-2,4-dione (cas# 6301-02-6) is a useful research chemical.

Applications Succinimide is a reagent that is used in the synthesis of Lumiflavin (L473900), which is a toxic photolysis product of vitamin B2 (R415000).
References Zhao, X. et al.: Chemosphere, 63, 1116 (2006); Litke, S.V. et al.: Khim. Fiz., 10, 48 (1991); Ye, W. et al.: Guang. Yaox. Xueb., 12, 175 (1996);

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

Applications 5-Chlorobenzotriazole is a good inhibitor; it decreases anodic and cathodic reaction rates, and the highest inhibition efficiency was 91.2%. The inhibitory effect of 5-chlorobenzotriazole is explained by the formation of the layer on the copper surface.
References Simonovic, Ana T., et al.: ACS Omeg., 5, 12832-12841 (2020);

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

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

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-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);

Impurity Pantoprazole EP Impurity C; Pantoprazole USP Related Compound C
Applications Pantoprazole EP Impurity C. Pantoprazole USP Related Compound C.

Applications The most characteristic degrdadation product of melanins. An important biomarker for Melatonin (M215000) metabolism.
References Shen, X., et al.: J. Med. Chem., 39, 2018 (1996), Xin, W., et a: Chem. Res. Toxicol., 13, 749 (2000), An, L., et al.: Food Chem. Toxicol., 44, 436 (2006),

Applications 1-BUTYLPYRROLIDIN-2-ONE (cas# 3470-98-2) is a useful research chemical.

Applications An intermediate in the production of many biological inhibitors.
References Lambertucci, C., et al.: Bioorg. Med. Chem., 17, 2812 (2009), Lebsack, A., et al.: Bioorg. Med. Chem. Lett., 19, 40 (2009), Griffith, D., et al.: J. Med. Chem., 52, 234 (2009),

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

Applications Oxazolidine Cabazitaxel is an impurity of Cabazitaxel (C046500) which is a novel semi-synthetic taxane with antitumor activity used for the treatment of castration-resistant prostate cancer.
References Agarwal, N. et al.: Fut. Oncol., 7, 15 (2011); Mita, A. et al.: Clin. Cancer Res., 15, 723 (2009); Figg, W.D. et al.: Cancer Biol. Ther., 10, 1233 (2010);

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 N-Boc-piperazine (cas# 57260-71-6) is a compound useful in organic synthesis.

Applications An intemediate of Clopidogrel and Prasugrel.
References Yadav, G., et al.: Biochem. Eng. J., 19, 101(2004), Wang, P., et al.: Enzyme Microb. Technol., 39, 930 (2006),

Stability Very Hygroscopic
Applications 4-(p-Chloro-α-phenylbenzyl)-1-piperazineethanol is used in the synthesis of antifungal triazole and imidazole derivatives. Impurity of an intermediate in the formation of Cetrizine.
References Rezaei, Z. et al.: Archiv. Pharm., 344, 658 (2011)

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