
Benzimidazole and Imidazole Derivatives
Benzimidazole is a compound consisting of a benzene ring fused to an imidazole ring, a five-membered structure containing two nitrogen atoms. Benzimidazole derivatives, such as albendazole, are known for their antiparasitic and antifungal activity, used in the treatment of parasitic infections and certain parasitic diseases in animals and humans. Imidazole, on the other hand, is a five-membered structure with two nitrogen atoms found in various biologically active compounds. Imidazole derivatives, such as metronidazole, have antimicrobial and antiparasitic properties. These compounds are also used in the pharmaceutical industry for treating bacterial infections, parasitic diseases, and some fungal infections, as well as in organic chemistry as catalysts.
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Found 10354 products of "Benzimidazole and Imidazole Derivatives"
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2-(2-Butyl)-4-{4-[4-(4-methyloxy-phenyl)-piperazin-1-yl]-phenyl}-2,4-dihydro-[1,2,4]-triazol-3-one
CAS:Controlled Product<p>Impurity Itraconazole EP Impurity A<br>Applications 2-(2-Butyl)-4-{4-[4-(4-methyloxy-phenyl)-piperazin-1-yl]-phenyl}-2,4-dihydro-[1,2,4]-triazol-3-one (Itraconazole EP Impurity A) is an intermediate of Itraconazole.<br></p>Formula:C23H29N5O2Color and Shape:BeigeMolecular weight:407.51Tofenacin Hydrochloride Salt-d4
CAS:Controlled Product<p>Applications A labelled metabolite of Orphenadrine (O695300). An antidepressant prodrug.<br>References Watkins, P., et al.: J. Biol. Chem., 261, 6264 (1986), McNeil, C., et al.: Biochem. Pharmacol., 51, 15 (1996), Hiessbock, R., et al.: J. Med. Chem., 42, 1921 (1999),<br></p>Formula:C17H18D4ClNOColor and Shape:NeatMolecular weight:295.84Isometronidazole-D4
CAS:Controlled Product<p>Applications Isometronidazole-D4 is a labelled analogue of Isometronidazole (I821342). Isometronidazole is an impurity of Metronidazole (M338880), a chemotherapeutic agent that is used as a first line defense against Clostridium difficile (C.diff). Isometronidazole is also a hypoxic cell sensitizer in humans and mice.<br>References Hentschel, M. & Schmidt, W.: Die Pharm., 47, 221 (1992); Musher, D., et al.: Clin. Inf. Dis., 40, 1586 (2005); Rosenkranz, H. & Speck, W.: Biochem. Biophys. Res. Comm., 66, 520 (1975)<br></p>Formula:C6D4H5N3O3Color and Shape:NeatMolecular weight:175.18N-Ethylcarbamic Acid 3-[(1S)-1-(Dimethylamino)ethyl]phenyl Ester
CAS:Controlled ProductFormula:C13H20N2O2Color and Shape:NeatMolecular weight:236.314-Hydroxy Triazolam
CAS:Controlled Product<p>Stability Light Sensitive<br>Applications A metabolite of Triazolam (T767380).<br>References Gall, M., et al.: J. Med. Chem., 21, 1290 (1978), Jones, H., et al.: Drug Metab. Dispos., 32, 973 (2004), Hallifax, D., et al.: Drug Metab. Dispos., 33, 1852 (2005).<br></p>Formula:C17H12Cl2N4OColor and Shape:NeatMolecular weight:359.21Midazolam-d6 (1 mg/mL in Acetonitrile)
CAS:Controlled ProductFormula:C18D6H7ClFN3Color and Shape:Single SolutionMolecular weight:331.80Hydroxy Varenicline N-Trifluoroacetic Acid Salt
CAS:Controlled Product<p>Applications Protected Varenicline metabolite.<br></p>Formula:C15H12F3N3O2Color and Shape:NeatMolecular weight:323.27N-Acetylethanolamine
CAS:<p>Applications N-Acetylethanolamine can be used as an antistatic agent, foam boosting agent, hair conditioning humectant, skin conditioning surfactant and viscosity controlling agent in cosmetics industry. It is a non-tacky glycerine alternative for use in skin and hair care.<br>References Hough, L., et al.: J. Chem. Soc., 7923994-3997 (1957); Auzanneau, F-I, et al.: J. Chem. Soc., 10, 2831-2834 (1990);<br></p>Formula:C4H9NO2Purity:~90%Color and Shape:NeatMolecular weight:103.122-Chloroacetamide
CAS:Controlled Product<p>Applications A component of herbicidal mixtures of cellulose biosynthesis inhibitors with VLCFA inhibitors.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Aptula, A., et al.: Chem. Res. Toxicol., 19, 1097 (2006), Chan, K., et al.: J. Appl. Toxicol., 28, 608 (2008),<br></p>Formula:C2H4ClNOColor and Shape:WhiteMolecular weight:93.5110-Bromo-5H-dibenzo[b,f]azepine-5-carboxamide
CAS:Controlled Product<p>Impurity Carbamazepine EP Impurity G<br>Applications 10-Bromo-5H-dibenzo[b,f]azepine-5-carboxamide is a Carbamazepine (C175840(P)) impurity, which has been used in treatment of pain associated with trigeminal neuralgia. It is an anticonvulsant, neuroprotective & neuroresearch product.<br>References Cry, T., et. al.: J. Assoc. Official Anal. Chem., 70, 836 (1987); Stenger, E.G., et al.: Med. Exp., 11, 191 (1964); Pynnonen, S., et al.: Ther. Drug Monit., 1, 409 (1979); Sidebottom, A., et al.: J. Clin. Pharm. Ther., 20, 31 (1995)<br></p>Formula:C15H11BrN2OColor and Shape:NeatMolecular weight:315.16Metopimazine
CAS:<p>Applications Metopimazine (MPZ) is used to prevent emesis during chemotherapies. Antiemetic.<br>References Catz, P., et al.: Int. J. Pharm., 58, 93 (1990), Sato, K., et al.: J. Pharm. Sci., 80, 104 (1991), Herrstedt, J., et al.: Cancer Chemother. Pharmacol., 33, 53 (1996), Sigsgaard, T., et al.: J. Clin. Onc., 19, 2091 (2001),<br></p>Formula:C22H27N3O3S2Color and Shape:Off White SolidMolecular weight:445.601-(1H-Benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid (>75%)
CAS:<p>Impurity Rabeprazole EP Impurity C<br>Applications 1-(1H-Benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid (>75%) (Rabeprazole EP Impurity C) is a Rabeprazole (R070500) impurity. A degradation product formed in stressed tablets of Rabeprazole sodium.<br>References Kommanaboyina, B., et al.: Drug Dev. Ind. Pharm., 25, 857 (1999), Carswel, C., et al.: Drugs, 61, 2327 (2001), Garcia, C., et al.: J. Pharm. Biomed. Anal., 46, 88 (2008),<br></p>Formula:C14H11N3O3Purity:>75%Color and Shape:NeatMolecular weight:269.26(R)-4,5-Dehydro Pregabalin
CAS:Controlled Product<p>Applications (R)-4,5-Dehydro Pregabalin is derived from rac 4,5-Dehydro Pregabalin (D230050), which is an impurity of the anti-convulsnat, Pregabalin.<br>References Dousa, M, et al.: J. Pharmac. Biomed. Anal., 53, 717 (2010);<br></p>Formula:C8H15NO2Color and Shape:NeatMolecular weight:157.219-Acridinecarboxylic acid
CAS:Controlled Product<p>Applications 9-Acridinecarboxylic acid is used in the synthesis of short DNA-binding peptides.<br></p>Formula:C14H9NO2Color and Shape:YellowMolecular weight:223.23Prazepam
CAS:Controlled Product<p>Applications Prazepam, is a benzodiazepine derivative drug having anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties.<br>References Shader R. I., et al.: Ciba. Found. Symp., (74), 141 (1979); Jacqmin, P., et al.: Neuropsychobiology, 19 (4), 186 (1988);<br></p>Formula:C19H17ClN2OColor and Shape:Off-WhiteMolecular weight:324.804-Nitro-5-desnitro Tinidazole
CAS:Controlled Product<p>Impurity Tinidazole EP Impurity B<br>Applications 4-Nitro-5-desnitro Tinidazole (Tinidazole EP Impurity B) is an impurity in the synthesis of Tinidazole (T443900), antiprotozoal (Trichomonas, Giardia); antiamebic; antibacterial.<br>References Miller, M.W., et al.: J. Med. Chem., 13, 849 (1970), Oderdea, G., et al.: Gut, 33, 1328 (1992),<br></p>Formula:C8H13N3O4SColor and Shape:NeatMolecular weight:247.27(Chloromethyl)cyclohexane
CAS:Controlled Product<p>Applications (Chloromethyl)cyclohexane is a common chemical reagent used in the synthesis of imidazole inhibitors of cytokine release which suppresses the response to tumor necrosis factor.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Laufer, S. et al., J. Med. Chem., 45, 1695 (2002); Rabinowitz, M. et al.: J. Med. Chem., 44, 4252 (2001);<br></p>Formula:C7H13ClColor and Shape:NeatMolecular weight:132.632,5-Dichlorobenzoyl Cyanide
CAS:Controlled Product<p>Applications 2,5-Dichlorobenzoyl Cyanide is a reagent applied for research purposes<br>References Veerareddy, A., et al.: J. Heterocyclic Chem., 51, 1311 (2014)<br></p>Formula:C8H3Cl2NOColor and Shape:NeatMolecular weight:200.022(S)-Rivastigmine
CAS:<p>Applications S-Rivastigmine is an isomer of Rivastigmine ( an acetylcholinesterase inhibitor used in the treatment of neurological disorders such as Alzheimer’s disease.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Howes, L et al.: Drug. Safe., 37, 391 (2014); Shahar, O. et al.: Nucl. Acids Res., 42, 5869 (2014);<br></p>Formula:C14H22N2O2Color and Shape:ColourlessMolecular weight:250.34N-Nitrosoiminodibenzyl
CAS:Controlled ProductFormula:C14H12N2OColor and Shape:NeatMolecular weight:224.264-Acetoxy Midazolam
CAS:Controlled Product<p>Applications A metabolite of Midazolam (M343000).<br></p>Formula:C20H15ClFN3O2Color and Shape:NeatMolecular weight:383.80(3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl Acetate
CAS:Controlled Product<p>Impurity Lansoprazole<br>Applications (3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl Acetate is an impurity of Lansoprazole (L175000). Lansoprazole is used as a gastric proton pump inhibitor and an antiulcerative. It May limit the severity of tuberculosis.<br>References Figgitt, D., et al.: Drugs, 60, 925 (2000); Katsuki, H., et al.: Eur. J. Clin. Pharmacol., 57, 709 (2001); Barradell, L.B., et al.: Drugs, 44, 225 (1992); Kim, K., et al.: Clin. Pharmacol. Ther., 72, 90 (2002); Niioka, T., et al.: Ther. Drug Monit., 28, 321 (2006); Chem. and Eng. News. p. 28 July 20 (2018)<br></p>Formula:C11H12F3NO3Color and Shape:NeatMolecular weight:263.213Lurasidone Opened Imide (Mixture of Diastereomers)
CAS:Controlled Product<p>Applications Lurasidone Opened Imide is an impurity in the synthesis of Lurasidone (L474920) which is antipsychotic used for treatment of schizophrenia.<br>References Ishiyama, T., et al.: Eur. J. Pharmacol., 572, 160 (2007); Cole, P., et al.: Drugs of the Fut., 33, 316 (2008);<br></p>Formula:C28H38N4O3SColor and Shape:NeatMolecular weight:510.69N-Carbamoyl Carbamazepine
CAS:Controlled Product<p>Impurity Carbamazepine EP Impurity C<br>Applications Carbamazepine (C175840) impurity.<br></p>Formula:C16H13N3O2Color and Shape:NeatMolecular weight:279.29rac N-Demethyl Promethazine-d3 Hydrochloride
CAS:Controlled Product<p>Applications Labelled Promethazine (P757000) impurity.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Keipert, S., et al.: Pharmazie, 31, 296 (1976),<br></p>Formula:C16H16D3ClN2SColor and Shape:NeatMolecular weight:309.87trans-Itraconazole
CAS:Controlled Product<p>Impurity Itraconazole EP Impurity E<br>Applications trans-Itraconazole (Itraconazole EP Impurity E) is a geometrical isomer of Itraconazole (I937500). It is a COVID19-related research product.<br>References Ahn, C., et al.: J. Korean Chem. Soc., 43, 676 (1999),<br></p>Formula:C35H38Cl2N8O4Color and Shape:NeatMolecular weight:705.632-Deschlorothien-3-yl Tioconazole Hydrochloride
CAS:Controlled Product<p>Applications 2-Deschloro Tioconazole Hydrochloride is an analog of Tioconazole (T444680), an antifungal that is more active than Fluconazole (F421000) or Voriconazole (V760000) against Candida glabrata mutant strains. Antifungal (topical).<br>References Jevons, S., et al.: Antimicrob. Agents Chemother., 15, 597 (1979), Clayton, Y.M., et al.: Clin. Exp. Dermatol., 7, 543 (1982), Marriott, M.S., et al.: Dermatologica, 166, 1 (1983),<br></p>Formula:C16H14Cl2N2OS·ClHColor and Shape:NeatMolecular weight:389.73Modafinil-d5 Sulfone
CAS:Controlled Product<p>Applications A labelled metabolite of Modafinil (M482500), a central nervous system vigilance promoting agent, which possesses neuroprotective properties.<br>References Wong, Y., et al.: J. Clin. Pharmacol., 39, 281 (1999), Robertson, P., et al.: Drug Metab. Dispos., 28, 664 (2000), Roth, T., et al.: Clin. Ther., 28, 689 (2006),<br></p>Formula:C152H5H10NO3SColor and Shape:NeatMolecular weight:294.38N-Methyl Omeprazole-d3 (Mixture of isomers with the methylated nitrogens of imidazole)
CAS:Controlled Product<p>Applications Labelled Omeprazole (O635000) impurity.<br>References Allenmark, S., et al.: Anal. Biochem., 136, 293 (1984), Besancon, M., et al.: J. Biol. Chem., 272, 22438 (1997),<br></p>Formula:C18H18D3N3O3SColor and Shape:NeatMolecular weight:362.465,6-Dimethoxyindane-1,3-dione
CAS:Controlled ProductFormula:C11H10O4Color and Shape:NeatMolecular weight:206.192,2'-Ethylenedianiline
CAS:Controlled Product<p>Applications 2,2'-Ethylenedianiline is used as a reagent to synthesize Oxcarbazepine (O869250), a broad-specturm, second-generation anticonvulsant drug that is used to treat partial and complex partial seizures in children and adults. 2,2'-Ethylenedianiline is also used as a reagent to prepare a series of triterpines (e.g. Lupeol [L474850]), compounds that have chemopreventative activity.<br>References Asmaa, M., et al.: Pac. J. Cancer Prevent., 15, 475 (2014); Kalis, M. & Huff, N.: Clin. Ther., 23, 680 (2001); Malke, S., et al.: Pharm. Sci., 69, 211 (2007); Schmidt, D. & Elger, C.: Epil. Beh., 5, 627 (2004)<br></p>Formula:C14H16N2Color and Shape:NeatMolecular weight:212.29Trimebutine-d9 Maleate Salt
CAS:Controlled Product<p>Applications Trimebutine-d9 Maleate Salt, is the labeled analogue of Trimebutine Maleate Salt (T795605), acting as an opioid receptor agonist. Antispasmodic.<br>References Delvaux, M., et al.: J. Int. Med. Res., 25, 225 (1997), Lavit, M., et al.: Arzneim.-Forsch., 50, 640 (2000),<br></p>Formula:C22H20D9NO5·C4H4O4Color and Shape:NeatMolecular weight:512.6Triazolam-d3
CAS:Controlled Product<p>Applications Labelled Triazolam (T767380(M)). Triazolam in an hypnotic drug used in the short term treatment of insomnia.<br>References Lomen, P., et al.: J. Int. Med. Res., 4, 55 (1976), Allens, G.S., et al.: J. Int. Med. Res., 6, 343 (1978), Pakes, G.E., et al.: Drugs, 22, 81 (1981).<br></p>Formula:C17H9D3Cl2N4Color and Shape:NeatMolecular weight:346.23Lansoprazole Sulfone N-Oxide
CAS:Controlled Product<p>Applications An impurity of Lansoprazole.<br>References Barradell, L., et al.: Drugs, 44, 225 (1992), Aydogmus, Z., et al.: Acta Pharm. Sci., 48, 45 (2006), El-Sherif, Z., et al.: Chem. Pharm. Bull., 54, 814 (2006),<br></p>Formula:C16H14F3N3O4SColor and Shape:WhiteMolecular weight:401.36(2R,3R)-3-(2,4-Difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl methanesulfonate
CAS:Controlled ProductFormula:C13H15F2N3O4SColor and Shape:NeatMolecular weight:347.342,5-Dichlorothiophen-3-yl Tioconazole Hydrochloride
CAS:Controlled ProductFormula:C16H12Cl4N2OS·ClHColor and Shape:NeatMolecular weight:458.622-Chloromethyl-4-methoxy-3-methylpyridine Hydrochloride
CAS:Controlled Product<p>Applications A pyridine derivative used in the preparation of anti-ulcerative agents and other pharmaceutical compounds.<br>References Kuehler, T.C. et al.: J. Med. Chem., 38, 4906 (1995);<br></p>Formula:C8H10ClNO·ClHColor and Shape:NeatMolecular weight:208.08Voriconazole-d3 N-Oxide (~90%)
CAS:Controlled ProductFormula:C16D3H11F3N5O2Purity:~90%Color and Shape:NeatMolecular weight:368.333,4-Dihydro-1-phenylisoquinoline Hydrochloride
CAS:Controlled Product<p>Stability Light Sensitive<br>Applications 3,4-Dihydro-1-phenylisoquinoline has been shown to have anesthetic properties.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Moore, M.B., et. al.: J. Am. Chem. Soc., 76, 3656 (1954)<br></p>Formula:C15H13N·ClHColor and Shape:NeatMolecular weight:243.732-(Ethylthio)ethanol
CAS:Controlled Product<p>Applications 2-(Ethylthio)ethanol is used to prepare aryldihydropyrimidinones as inhibitors of fatty acid transporter FATP4.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Blackburn, C., et al.: Bioorg. Med. Chem. Lett., 16, 3504 (2006)<br></p>Formula:C4H10OSColor and Shape:NeatMolecular weight:106.19Varenicline-d2,15N2 Dihydrochloride
CAS:Controlled Product<p>Applications Varenicline-d2,15N2 Dihydrochloride, is the labelled dihydrochloride salt of Varenicline (V098492), a nicotinic α4β2 acetylcholine receptor partial agonist. Aids in smoking cessation.<br>References Benowitz, N., et al.: Clin. Pharmacol. Ther., 44, 23 (1988), Cohen, C., et al.: J. Pharmacol. Exp. Ther., 306, 407 (2003), Tapper, A., et al.: Science, 306, 1029 (2004), Coe, J., et al.: J. Med. Chem., 48, 3474 (2005), Obach, R., et al.: Drug Metab. Disp., 34, 121 (2006),<br></p>Formula:C13H13D2Cl2N15N2Color and Shape:Light Beige SolidMolecular weight:288.18Propyl Itraconazole
CAS:Controlled ProductFormula:C34H36Cl2N8O4Color and Shape:NeatMolecular weight:691.61N-Nitroso Albendazole (mixtures of regional isomers)
Controlled ProductFormula:C13H16N4O3SColor and Shape:NeatMolecular weight:616.7121-(1H-Benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid Sodium Salt
CAS:<p>Applications 1-(1H-Benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid is an impurity of Rabeprazole. It is also a degradation product formed in stressed tablets of Rabeprazole sodium.<br>References Kommanaboyina, B., et al.: Drug Dev. Ind. Pharm., 25, 857 (1999); Carswel, C., et al.: Drugs, 61, 2327 (2001); Garcia, C., et al.: J. Pharm. Biomed. Anal., 46, 88 (2008)<br></p>Formula:C14H10N3NaO3Color and Shape:NeatMolecular weight:291.24(S)-Modafinil-d10
CAS:Controlled Product<p>Applications Labelled (S)-Modafinil. Used for treatment of excessive sleepiness, α1-adrenoceptor agonist.<br>References Saletu, B., et al.: Int. J. Clin. Pharmacol. Res., 9, 183 (1989), Chemelli, R.M., et al.: Cell, 98, 437 (1999), Purnell, M., et al.: J. Sleep Res., 11, 219 (2002), Dinges, D., et al.: Curr. Med. Res. Opin., 22, 159 (2006)<br></p>Formula:C15D10H5NO2SColor and Shape:NeatMolecular weight:283.414'-Desmethoxy Omeprazole
CAS:Controlled Product<p>Applications 4'-Desmethoxy Omeprazole is one of two impurities in the synthesis of Esomeprazole, an anti-ulcerative drug for treatment of acid-related diseases.<br>References Liu, X., et al.: Lat. Am. J. Pharm., 34, 1265-1268 (2015);<br></p>Formula:C16H17N3O2SColor and Shape:NeatMolecular weight:315.392-[2-(2-Methyl-4-nitroimidazol-1-yl)ethoxy]ethanol
CAS:Controlled ProductFormula:C8H13N3O4Color and Shape:NeatMolecular weight:215.21Tiotropium-d6 Bromide
CAS:Controlled ProductFormula:C19H16D6BrNO4S2Color and Shape:White To PurpleMolecular weight:478.45
