Benzimidazole and Imidazole Derivatives

<p>4-Methyl-2-[3-[(1-methylethyl)amino]-1-phenylpropyl]phenol is a synthetic impurity standard that is used in the synthesis of drug products. This compound is also known as 4-methyl-2-[3-[(1-methylethyl)amino]-1-phenylpropyl]phenol and has a CAS number of 480432-14-2. It is used to verify the purity of drugs and drug products. 4MMPP can be found in pharmacopoeia, drug development, and metabolite studies. This compound is a research and development product for niche markets. 4MMPP can be obtained through custom synthesis or by synthesis.</p>

<p>N-Desalkyl itraconazole is a triazole antifungal drug that belongs to the group of medicines. It is used in the treatment of systemic mycoses, including blastomycosis and histoplasmosis. N-Desalkyl itraconazole has been shown to inhibit the growth of fungi by interfering with their cell membranes and inhibiting their production of ergosterol. Calibration studies have shown that this drug binds to human liver microsomes and plasma proteins, as well as transporters such as P-glycoprotein. These interactions may influence its pharmacokinetics, which can be determined using a bioanalytical method.</p>

<p>cis-(±)-4-[4-[4-[4-[[2-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]- 2,4-dihydro-2-propyl-3H-1,2,4-triazol-3-one is a drug product that is used as a research and development tool. It is an impurity standard for HPLC. This compound has a chemical name of cis-(±)-4-[4-[4-[4-(hydroxymethyl)phenyl]-1piperazinyl]phenyl]-2, 4dihydro 2propyl 3H 1 2 4 triazol 3one. The CAS number for this compound is 7485591 7. This compound</p>

<p>Ethyl (S)-1-phenyl-1,2,3,4-tetrahydro-2-isoquinolinecarboxylate is an analytical standard used to identify impurities in drug products. It is a metabolite of the drug product and has been shown to be safe for human consumption. The compound is a synthetic chemical that is not found naturally in the environment. CAS No. 180468-42-2</p>

<p>Lactose conjugate degradation product of pregabalin</p>

<p>Lansoprazole impurity H is a metabolite of lansoprazole, a proton pump inhibitor that inhibits the production of stomach acid. Lansoprazole impurity H is used in research and development as an analytical standard to measure lansoprazole concentrations in drug products. It is also used as an impurity standard for pharmacopoeia purposes. Lansoprazole impurity H is not known to be toxic, but it has not been evaluated for carcinogenicity or reproductive toxicity.</p>

<p>(R)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline is a chiral molecule with four stereocenters. It is synthesized by the reaction of sulfamic acid and cyclohexene in the presence of p-toluenesulfonic acid. The product formed is then dehydrogenated to produce (R)-1-phenyl-1,2,3,4-tetrahydroisoquinoline. This compound is soluble in organic solvents such as benzene and ethane and can be used as an acceptor for chiral stationary phases.</p>

<p>Oxybutynin EP Impurity E is a research and development impurity standard that is used in the synthesis of Oxybutynin. It can be synthesized by reacting 2-chloro-4-nitroaniline with potassium tert-butoxide, followed by acetylation with acetic anhydride. The purity and structure of this compound have been verified by gas chromatography, mass spectrometry, and melting point analysis. This impurity standard has a CAS number of 1215677-72-7.<br>Oxybutynin EP Impurity E is used as a drug product for the treatment of overactive bladder, urinary incontinence, and painful bladder syndrome/interstitial cystitis. It also helps to reduce pain due to spinal cord injury or multiple sclerosis. <br>The pharmacopoeia name for this compound is 4-(2-Chloroethyl)-1H-imidazoleacetic acid. It has been found to be</p>

<p>Albendazole sulfone is a metabolite of the drug albendazole. It is used as an analytical standard to measure the concentration of albendazole in human plasma and urine samples. The concentration-time curve for albendazole sulfone can be determined using a nonlinear regression analysis, with the rate constant being calculated from the slope and intercept. This method has been shown to be accurate for predicting pharmacokinetic parameters in humans. Albendazole sulfone is also used as a probe in wastewater treatment studies, where it binds to colloidal gold particles that are used to visualize the removal of small particles by microorganisms.</p>

<p>2-Methoxy-5-methyL-N,N-bis(1-methyLethyl)-gamma-phenyLbenzenepropanamine fumarate (DMXBPC) is an analgesic that has been shown to be a potent inhibitor of the cytosolic phospholipase A2 and is also cytotoxic. DMXBPC has significant cholinergic activity and can inhibit the synthesis of prostaglandins in the prostate gland. DMXBPC binds to the pyridine ring of DOPA and inhibits its conversion to dopamine. The enantiomers of DMXBPC have different effects on inhibition of phospholipase A2, with the (+) form being more potent than the (-) form. This is due to the fact that (+)DMXBPC binds more tightly to the enzyme than (-)DMXBPC does.</p>

<p>2-Hydroxy-5-methylphenylbenzenepropanol is an aliphatic phenol that is used as a treatment for benzene poisoning. It is also used as a precursor to other compounds, such as the chlorides and alkylates of 2-hydroxy-5-methylphenylbenzenepropanol. This compound can be synthesized by reacting ethyl benzoylacetate with diisopropylamine in the presence of oxygen and chlorine gas. It is often immobilized using nutrients, l-tartaric acid, or cinnamic acid.</p>

<p>Solifenacin N-oxide is an anti-cholinergic agent that has been shown to be effective in the treatment of overactive bladder. Solifenacin N-oxide is a prodrug that is hydrolyzed in vivo to solifenacin, its active form. The compound reversibly binds to muscarinic receptors and inhibits the release of acetylcholine. Solifenacin N-oxide has been shown to have low levels of impurities and is highly soluble in water. It was also found to be stable when stored at room temperature for two months. This drug has a high flow rate and moderate retention time, which makes it suitable for reversed-phase liquid chromatography (RPLC). RPLC is a chromatographic technique that separates compounds by size, hydrophobicity, or charge.</p>

<p>Dehydrodeoxy donepezil is an analytical standard that is used in the manufacture of pharmaceuticals. It is a synthetic drug impurity, and its CAS number is 120013-45-8. Dehydrodeoxy donepezil can be found in the API impurity grade of various drugs, including those that are manufactured by Custom synthesis and natural synthesis. The pharmacopoeia states that dehydrodeoxy donepezil has a purity level of 98% or greater. This product can also be found as a metabolite in humans, with its half-life being approximately 40 minutes.</p>

<p>1-[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl]-2-[[[4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]methyl]thio]-1H-benzimidazole is a drug product with analytical applications. It has been shown to have natural and synthetic origins, as well as impurities of its own. It is a custom synthesis and research and development compound that is used for HPLC standardization. The compound has been synthesized for the purpose of drug development and it is intended for niche use.</p>

<p>Solifenacin is an anti-cholinergic drug that has been shown to have a potent antagonistic effect on muscarinic receptors. It is used in the treatment of overactive bladder, urinary incontinence, and irritable bowel syndrome. Solifenacin succinate is a metabolite of solifenacin and it has been found to be an antagonist of M3 muscarinic receptors. The presence of solifenacin and its metabolites in wastewater can interfere with treatment processes by inhibiting the removal of other organic chemicals such as tamsulosin hydrochloride. Optimisation studies for solifenacin production have shown that famotidine can be used as a process aid to reduce solifenacin impurities. Famotidine is also an antagonist of M3 muscarinic receptors and can be used to remove solifenacin from wastewater. Analytes detected in wastewater samples include solifenacin, famot</p>

<p>Pantoprazole sulfone N-oxide is a prodrug that is converted to the active form pantoprazole in the stomach where it inhibits gastric acid secretion. Pantoprazole sulfone N-oxide has been shown to be genotoxic, and can cause polyvinyl chloride to degrade when stored together. Reconstituted solution of this drug should be used within 24 hours after reconstitution, as the chemical stability of this drug decreases rapidly. Validation studies have been conducted on different analytical methods for determining pantoprazole concentrations in reconstituted solutions, and these methods have been harmonized with those published by the United States Pharmacopeia (USP). The pump inhibitor activity of pantoprazole sulfone N-oxide has been demonstrated in dogs, and it is also useful for treating acid reflux disease in humans. Pantoprazole sulfone N-oxide is unstable at high temperatures (&gt;25°C), so should not be refrigerated or</p>

<p>Pantoprazole is a proton pump inhibitor. It is used in the treatment of gastroesophageal reflux disease and other conditions involving excessive stomach acid production. The chemical name for Pantoprazole impurity is (E)-1-(4-chlorophenyl)ethyl-3-[(pyrrolidin-2-yl)oxy]propanediol. This substance is an enantiomer of pantoprazole, which has been determined to be inactive. Pantoprazole impurity can be identified by its melting point, crystallizing habit, and optical rotation. Active carbon filtration can be used to remove this substance from the final product.</p>

<p>(R,R)-Solifenacin succinate is a pharmaceutical agent that acts as an antimuscarinic drug. It has been shown to be effective in wastewater treatment, where it was found to reduce the amount of solifenacin and optimised organic chemicals in the water. This drug has also been shown to have antagonist properties against the muscarinic receptor M3.</p>

<p>Pantoprazole is a proton pump inhibitor that inhibits the gastric acid secretion by blocking the hydrogen/potassium ATPase enzyme in the stomach. Pantoprazole N-oxide, a prodrug of pantoprazole, is converted to pantoprazole after administration and has been shown to be more stable than pantoprazole. It has been shown to have tissue-specific effects, with high concentrations found in gastrointestinal tissues such as the abomasum, ileum, and colon. Pantoprazole N-oxide is also found in plasma samples at low levels. This drug may be useful for ulceration because it prevents heartburn caused by excess stomach acid.</p>

<p>2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid is a synthetic compound that is being researched as a potential drug product. It is an impurity standard for HPLC and has been used in the past to develop drugs. The chemical structure of this compound closely resembles that of the natural metabolite 4,5-dimethoxybenzoic acid, which is found in plants such as thyme. 2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid has shown to inhibit human cytochrome P450 enzymes, which may lead to serious side effects when taken orally.</p>