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 10382 products of "Benzimidazole and Imidazole Derivatives"
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Iso Letrozole
CAS:<p>Impurity Letrozole EP Impurity A; Letrozole USP Related Compound A<br>Applications Isoletrozole (Letrozole EP Impurity A) is an impurity of Letrozole (L330100). Letrozole impurity A as per USP.<br>References Fleming, F.F., et al.: J. Med. Chem., 53, 7902 (2010),<br></p>Formula:C17H11N5Color and Shape:NeatMolecular weight:285.302-Isobutyl-1H-benzoimidazol-5-ylamine
CAS:Formula:C11H15N3Purity:98%Color and Shape:SolidMolecular weight:189.262Omeprazole Sulfone N-Oxide
CAS:<p>Impurity Omeprazole EP Impurity I<br>Applications Omeprazole Sulfone N-Oxide (Omeprazole EP Impurity I) is a metabolite of Omeprazole. Impurity I.<br>References Stevens, C.M., et al.: J. Biol. Chem., 75, 182 (1950), Okamoto, S., et al.: Biochem. Biophys. Res. Commun., 101, 440 (1981)<br></p>Formula:C17H19N3O5SColor and Shape:NeatMolecular weight:377.418(9)-Methoxy-1,3-dimethyl-12-thioxopyrido[1’,2’:3,4]imidazo[1,2-a]benzimidazol-2-(12H)-one (Mixture of Regioisomers)
CAS:Controlled Product<p>Impurity Omeprazole EP Impurity F+Omeprazole EP Impurity G<br>Stability Sample unstable under MS condition<br>Applications 8(9)-Methoxy-1,3-dimethyl-12-thioxopyrido[1’,2’:3,4]imidazo[1,2-a]benzimidazol-2-(12H)-one(Mixture of Regioisomers) (Omeprazole EP Impurity F+Omeprazole EP Impurity G) is a mixture of regioisomers of Omeprazole Impurity.<br>References Rackur, G., et al.: Biochem. Biophys. Res. Commmun., 128, 477 (1985),<br></p>Formula:C16H13N3O2SColor and Shape:NeatMolecular weight:311.362-((1,3-DIOXOISOINDOLIN-2-YL)METHYL)OXAZOLE-4-CARBOXYLIC ACID
CAS:Purity:95.0%Molecular weight:272.21600341796875Rivastigmine N-Oxide (Technical Grade)
CAS:Controlled Product<p>Applications Rivastigmine N-Oxide is an impurity of Rivastigmine (R541000, Tartrate Salt) which is a brain selective acetylcholinesterase inhibitor.<br>References Rosler, M., et al.: Brit. Med. J., 318, 633 (1999), Enz, A., et al.: Prog. Brain Res., 98, 431 (1993)<br></p>Formula:C14H22N2O3Color and Shape:Light Yellow LiquidMolecular weight:266.342-((4,5-Diphenyloxazol-2-yl)thio)-N-propylpropanamide
CAS:Purity:97.0%Molecular weight:366.48001098632814-Methyl Mebendazole
CAS:Controlled Product<p>Applications Mebendazole (M200500) related compound as anthelmintic agent.<br>References Raeymaekers, A.H.M., et al.: Arzneim.-Forsch., 28, 586 (1978),<br></p>Formula:C17H15N3O3Color and Shape:NeatMolecular weight:309.32Voriconazole-d3
CAS:Controlled Product<p>Applications Labelled Vorizonazole (V760000), used as an antifungal (systemic). An Ergosterol Biosynthesis inhibitor.<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 Sanati, H., et al.: Antimicrob. Ag. Chemother., 41, 2492 (1997),<br></p>Formula:C162H3H11F3N5OColor and Shape:White To BeigeMolecular weight:352.33Modafinil-d5 (Mixture of Diastereomers)
CAS:Controlled Product<p>Applications Labelled Modafinil (M482502). Modafinil is an α-1-adrenergic agonist. Modafinil is a CNS stimulant; psychostimulant that displays neuroprotective and antiparkinsonian activity in a primate model of Parkinson's disease.This is a controlled substance (stimulant).<br>References Saletu, B., et al.: Int. J. Clin. Pharmacol. Res., 9, 183 (1989), Chemelli, R.M., et al.: Cell, 98, 437 (1999)<br></p>Formula:C152H5H10NO2SColor and Shape:NeatMolecular weight:278.384-Isobutyl-2-pyrrolidinone (pregabalin lactam impurity)
CAS:<p>Impurity Pregabalin USP Related Compound C<br>Applications Pregabalin (P704800) intermediate. Pregabalin USP Related Compound C<br>References Taylor, C.P., at al.: Epilepsy Res., 14, 11 (1993), Field, M.J., et al.: Pain, 80, 391 (1999)<br></p>Formula:C8H15NOColor and Shape:Light YellowMolecular weight:141.21(R)-Pregabalin
CAS:Controlled Product<p>Impurity Pregabalin USP Related Compound A<br>Applications R-Enantiomer of Pregabalin. A GABA analogue used as an anticonvulsant. Anxiolytic analgesic used to treat peripheral neuropathic pain and fibromyalgia (less potent than the S-Enantiomer). Pregabalin USP Related Compound A.<br>References Field, M.J. et al.: Br. J. Pharmacol., 132, 1 (2001); Taylor, C.P., at al.: Epilepsy Res., 14, 11 (1993);<br></p>Formula:C8H17NO2Color and Shape:WhiteMolecular weight:159.23Methyl Methanesulfonate
CAS:<p>Applications Methyl Methanesulfonate is used as a reagent in the synthesis of 2-Methyllamotrigine (M315350); an impurity of Lamotrigine (L173250) which is an anticonvulsant that inhibits glutamate release, possible through inhibition of sodium, potassium and calcium currents. Also used in treatment of bipolar depression.<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 Miller, A.A., et al.: Epilepsia, 27, 483 (1986); Grunze, et al.: Neuropsychobiology, 38, 131 (1998); Calabrese, J.R., et al.: J. Clin. Psychiatry, 60, 79 (1999)<br></p>Formula:C2H6O3SColor and Shape:Colourless LiquidMolecular weight:110.13Oxybutynin N-Oxide 90%
CAS:Controlled Product<p>Applications A metabolite of Oxybutynin.<br>References Hughes, K., et al.: Xenobiotica, 22, 859 (1992), Oki, T., et al.: Biol. Pharm. Bull., 24, 491 (2001), Fetscher, C., et al.: Br. J. Pharmacol., 136, 64 (2002), Zobrist, R., et al.: Pharm. Res., 20, 103 (2003)<br></p>Formula:C22H31NO4Purity:90%Color and Shape:NeatMolecular weight:373.49N-Demethyl Trimebutine-d5 Hydrochloride
CAS:Controlled Product<p>Applications The main bioactive labelled metabolite of Trimebutine.<br>References Miura, Y., et al.: Drug Metab. Dispos., 17, 455 (1989), Xue, L., et al.: Eur. J. Pharmacol., 294, 75 (1995), Roman, F., et al.: J. Pharmacol. Exp. Ther., 289, 1391 (1999), Kayser, V., et al.: Life Sci., 66, 433 (2000),<br></p>Formula:C21H22D5NO5·HClColor and Shape:NeatMolecular weight:414.93Scopolamine-d3 Hydrobromide Hydrate
CAS:Controlled Product<p>Stability Hygroscopic<br>Applications An acetylcholine antagonist. Used in treatment of motion sickness; antiemetic; antispasmodic; mydriatic; preanesthetic medicant.<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 Brand, J.J., et al.: Lancet, 2, 232 (1970), Bowles, J.B., et al.: Anaesthesia, 34, 476 (1979), Clissold, S.P., et al.: Drugs, 29, 189 (1985), Muhtadi, F.J., et al.: Anal. Profiles Drug Subs., 19, 477 (1990),<br></p>Formula:C17H18D3NO4·BrH·xH2OColor and Shape:NeatMolecular weight:387.284-(1H-1,2,4-Triazol-1-ylmethyl)benzonitrile
CAS:Controlled ProductFormula:C10H8N4Color and Shape:WhiteMolecular weight:184.205-Hydroxy Omeprazole Sodium Salt
CAS:<p>Stability Hygroscopic<br>Applications The main metabolite of Omeprazole.<br>References Renberg, L., et al.: Drug Metab. Dispos., 17, 69 (1989), Calabresi, L., et al.: Pharmacol. Res., 49, 493 (2004), Yin, O., et al.: J. Clin. Pharmacol., 44, 582 (2004),<br></p>Formula:C17H18N3NaO4SColor and Shape:White To Light YellowMolecular weight:383.403,5-Dimethyl-2-pyridinemethanol
CAS:Controlled Product<p>Applications Intermediate in the preparation of Omeprazole metabolites<br></p>Formula:C8H11NOColor and Shape:Colourless To BrownMolecular weight:137.179Ternidazole-d6 Hydrochloride (>90%)
CAS:Controlled Product<p>Applications Labelled Ternidazole (T116500). An antiparasitic nitroimidazole.<br>References Tramontano, E., et al.: Biochem. Pharmacol., 43, 1371 (1992), Schafer, W., et al.: J. Med. Chem., 36, 726 (1993),<br></p>Formula:C7H6D6ClN3O3Purity:>90%Color and Shape:NeatMolecular weight:227.68Secnidazole
CAS:Controlled Product<p>Applications Analog of Metronidazole. Antiamebic. Antiprotozoal (Trichomonas).<br>References Cosar, C., et al.: Arzneim.-Forsch., 16, 23 (1966), Videau, D., et al.: Br. J. Vener. Dis., 54, 77 (1978), Symonds, J., et al.: J. Antimicrob. Chemother., 5, 484 (1979),<br></p>Formula:C7H11N3O3Color and Shape:White To Light YellowMolecular weight:185.18Modafinil Carboxylate Methyl Ester
CAS:Controlled Product<p>Impurity Modafinil EP Impurity C<br>Applications Modafinil Carboxylate Methyl Ester (Modafinil EP Impurity C) is a Modafinil derivative.<br>References Lehr, H., et al.: J. Med. Chem., 6, 136 (1963), Saikawa, I., et al.: Chem. Pharm. Bull., 33, 5534 (1985),<br></p>Formula:C16H16O3SColor and Shape:NeatMolecular weight:288.36[3-(2H-tetrazol-2-yl)-1-adamantyl]amine hydrochloride hydrate
Purity:95.0%Molecular weight:273.76998901367191-[2-(2,4-Dichlorophenyl)-2-[(3,4-dichlorophenyl)methoxy]ethyl]-1H-imidazole
CAS:<p>Impurity Miconazole EP Impurity F<br>Applications 1-[2-(2,4-Dichlorophenyl)-2-[(3,4-dichlorophenyl)methoxy]ethyl]-1H-imidazole (Miconazole EP Impurity F) is an impurity of Miconazole (M342505), an antifungal (1,2) agent (topical).<br>References 1. Godefroi, E. et al.: J. Med. Chem. 1969 Sep;12(5):784-91.2. Brugmans, J. et al.: Arch Dermatol. 1970 Oct;102(4):428-32.<br></p>Formula:C18H14Cl4N2OColor and Shape:NeatMolecular weight:416.13Glycopyrrolate Bromide-d3 (Mixture of Diastereomers)
CAS:Controlled Product<p>Applications Labelled analogue of Glycopyrrolate Bromide, a novel pharmaceutical compound based on PDE IV inhibitors. Glycopyrrolate Bromide is used in the treatment of respiratory complaints.<br>References Gomez, et al.: Br. J. Anaesth., 74, 549 (1995);<br></p>Formula:C19H25D3NO3·BrColor and Shape:NeatMolecular weight:401.351-(1-Phenyl-ethyl)-1H-benzoimidazole-2-carbaldehyde
CAS:Purity:95.0%Color and Shape:SolidMolecular weight:250.300994873046881'-Hydroxy Triazolam
CAS:Controlled Product<p>Applications A metabolite of Triazolam (T767380(M)), which is a sedative; a controlled substance (depressant).<br>References Boxenbaum, H., et al.: J. Pharm. Pharm. Sci., 2, 47 (1999), Perloff, M., et al.: J. Pharmacol. Exp. Ther., 292, 618 (2000), Patki, K., et al.: Drug Metab. Dispos., 31, 938 (2003),<br></p>Formula:C17H12Cl2N4OColor and Shape:Light GreenMolecular weight:359.21cis-2-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolane-4-methanol
CAS:Controlled ProductFormula:C13H13Cl2N3O3Color and Shape:NeatMolecular weight:330.17Iminostilbene
CAS:Controlled Product<p>Impurity Carbamazepine EP Impurity D<br>Applications A metabolite of Carbamazepine (CBZ) (C175840).<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 Lertratanangkoon, K., et al.: Drug Metab. Dispos., 10, 1 (1982), Deleu, D., et al.: Eur. J. Clin. Pharmacol., 57, 243 (2001),<br></p>Formula:C14H11NColor and Shape:Yellow To Dark OrangeMolecular weight:193.241,1'-Bis(pyridin-4-ylmethyl)-1H,1'h-2,2'-biimidazole
CAS:Purity:98%Molecular weight:316.3680114746094Propantheline Bromide
CAS:Controlled Product<p>Applications Propantheline is an antimuscarinic agent used in the treatment of hyperhidrosis (excessive sweating), enuresis (involuntary urination) as well as cramps or spasms of the stomach, intestine and bladder.<br>References Levin, R. et al.: Neurol. Urodyn., 1, 221 (1982); Daniotti, S. et al.: Br. J. Pharmacol., 82, 305 (1984); Moller, J. et al .: Acta Med. Scand., 184, 201 (1968);<br></p>Formula:C23H30NO3·BrColor and Shape:White To Off-WhiteMolecular weight:448.39N-[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl Lansoprazole
CAS:Controlled Product<p>Applications Lansoprazole (L175000) impurity.<br>References Wallmark, B., et al.: J. Gastroenterol., 20, 37 (1985), Barradell, L., et al.: Drugs, 44, 225 (1992), Reddy, K., et al.: Pharmazie, 65, 994 (2006),<br></p>Formula:C25H22F6N4O3SColor and Shape:Beige To Light BrownMolecular weight:572.522-Mercaptobenzimidazole
CAS:Controlled Product<p>Impurity Rabeprazole EP Impurity F<br>Applications An antidegradant, protecting rubber from oxidation. An intermediate in the synthesis of Rabeprazole (R070500)<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 Beheshti, A., et al.: J. Food Sci., 75, C135 (2010), Rohrig, U., et al.: J. Med. Chem., 53, 1172 (2010),<br></p>Formula:C7H6N2SColor and Shape:NeatMolecular weight:150.203-(2-(6-(tert-Butyl)-1H-benzo[d]imidazol-2-yl)ethyl)cyclobutanone hydrochloride
CAS:Purity:97.0%Molecular weight:306.8299865722656rac Desethyl Oxybutynin-d5 Hydrochloride
CAS:Controlled Product<p>Applications A labelled metabolite of the drug Oxybutynin (D289475). Used in the treatment of incontinence.<br>References Hughes, K., et al.: Xenobiotica, 22, 859 (1992), Oki, T., et al.: Biol. Pharm. Bull., 24, 491 (2001), Fetscher, C., et al.: Br. J. Pharmacol., 136, 64 (2002), Zobrist, R., et al.: Pharm. Res., 20, 103 (2003)<br></p>Formula:C20H22D5NO3·HClColor and Shape:White To Off-WhiteMolecular weight:334.47 + (36.46)Atropic Acid
CAS:<p>Impurity Ipratropium EP Impurity D<br>Stability Light Sensitive<br>Applications Atropic acid (Ipratropium EP Impurity D) is an impurity of Ipratropium bromide (I740500) and Atropine Sulfate (A794625).<br>References Lyon, R., et al.: J. Pharm. Sci., 95, 1549 (2006), Loch, M., et al.: Toxicology, 233, 229 (2007), John, H., et al.: Anal. Bioanal. Chem., 396, 751 (2010),<br></p>Formula:C9H8O2Color and Shape:Off-WhiteMolecular weight:148.16Rufinamide-15N,d2
CAS:Controlled Product<p>Applications Labelled Rufinamide (R701552). Antiepileptic triazole derivative which decreases firing by neurons at sodium channels. Anticonvulsant.<br>References Cheung, W.K., et al.: Pharm. Res., 12, 1878 (1995), Cardot, J.-M., et al.: Biopharm. Drug Dispos., 19, 259 (1998), Palhagen, S., et al.: Epilepsy Res., 43, 115 (2001),<br></p>Formula:C10H6D2F2N315NOColor and Shape:White SolidMolecular weight:241.2Cyanoacetamide
CAS:<p>Applications Cyanoacetamide has been used in photometric and fluorimetric postcolumn labeling.<br>References Honda S., et. al.: Anal. biochem., 134, 483(1983)<br></p>Formula:C3H4N2OColor and Shape:NeatMolecular weight:84.0767rac 5-Hydroxymethyl Tolterodine-d14
CAS:Controlled ProductFormula:C22H17D14NO2Purity:90%Color and Shape:NeatMolecular weight:355.572-Chlorobenzophenone
CAS:<p>Impurity Clotrimazole EP Impurity E<br>Applications 2-Chlorobenzophenone (Clotrimazole EP Impurity E) is a metabolite of Clofedanol (C586920). Chlorobenzophenone is also used as a catalyst in the photocrosslinking of polyethylenes.<br>References Qu, B. et al.: J. Appl. Polym. Sci., 48, 701 (1993); Eckhardt, G. et al.: J. Clin. Chem. Clin. Biochem., 15, 687 (1977);<br></p>Formula:C13H9ClOColor and Shape:NeatMolecular weight:216.66Carbamazepine-d2 (Major)
CAS:Controlled Product<p>Applications Labelled Carbamazepine (C175840). Used in treatment of pain associated with trigeminal neuralgia. Anticonvulsant.<br>References 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:C15H10D2N2OColor and Shape:NeatMolecular weight:238.28rac-Pregabalin
CAS:Controlled Product<p>Applications A GABA analogue used as an anticonvulsant.Controlled substance in the United States.Not controlled in Germany<br>References Taylor, C.P., at al.: Epilepsy Res., 14, 11 (1993), Field, M.J., et al.: Pain, 80, 391 (1999)<br></p>Formula:C8H17NO2Color and Shape:White SolidMolecular weight:159.236-Hydroxy-2-mercaptobenzimidazole
CAS:Controlled ProductFormula:C7H6N2OSColor and Shape:NeatMolecular weight:166.20Carbamazepine 10,11-Epoxide-d2 (Major)
CAS:Controlled Product<p>Applications A labelled metabolite of Carbamazepine (C175840).<br>References Bellucci, G., et al.: J. Med. Chem., 30, 768 (1987), Johannessen, S., et al.: Ther. Drug. Monit., 27, 710 (2005), Bialer, M., et al.: Expert Opin. Invest. Drugs, 15, 637 (2006), Williams, J., et al.: J. Clin. Pharmacol., 46, 258 (2006),<br></p>Formula:C15H10D2N2O2Color and Shape:NeatMolecular weight:254.283,4-Diaminoanisole
CAS:<p>Applications 3,4-Diaminoanisole (cas# 102-51-2) is a compound useful in organic synthesis.<br></p>Formula:C7H10N2OColor and Shape:NeatMolecular weight:138.17Efinaconazole-N-oxide
CAS:Controlled Product<p>Applications Efinaconazole-N-oxide is a degradation product and potentially a metabolite of the anti-fungal drug Efinaconazole (E435070).<br>References Sugiura, K., et. al.: Antimicrob. Agents CH., 58, 3837 (2014);<br></p>Formula:C18H22F2N4O2Color and Shape:NeatMolecular weight:364.39
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