Benzimidazole and Imidazole Derivatives

<p>Oxybutynin EP impurity B is a metabolite of oxybutynin and is a natural product. It is used as an analytical reference substance, to develop new drugs, and in pharmacopoeia in order to measure the purity of oxybutynin. The compound is synthesized by chemical synthesis and can be used as a standard for HPLC analysis.</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>Albendazole is a sulfoxide anthelmintic drug that is used to treat worm infections in livestock and pets. Albendazole inhibits the synthesis of the parasitic cell membrane, which disrupts the integrity of the cell and leads to death. The analytical method for measuring albendazole includes extraction with hexane followed by analysis using gas chromatography. In humans, albendazole may be used to treat cancer, especially when it occurs in cavities or fatty tissues. It can also be used as a treatment for certain types of parasitic infections, such as toxoplasmosis, amebiasis, and cysticercosis. Albendazole is absorbed well after oral administration and plasma concentrations are proportional to dosage levels. The most common side effects are nausea and headache.</p>

<p>Lamotrigine is a chemically unrelated compound, which is the active ingredient of a new class of adjuvant drugs for epilepsy. This drug has been found to be effective against seizures in patients with partial seizures and generalized seizures. Lamotrigine is an orally administered suspensoid that can be mixed with water or other liquids to form a suspension. It has been used as a flavouring agent and an adjuvant in pharmaceuticals, including tablets and capsules. The chemical structure of lamotrigine includes two 2,3-dichlorophenyl groups connected by an amino group (guanidinoimino). This structure gives lamotrigine its chemical name: 2-(2,3-dichlorophenyl)-2-(guanidinoimino) acetonitrile.</p>

<p>1-Phenyl-1,2,3,4-tetrahydro-isoquinoline is a synthetic compound which has been used as a lead compound for the development of drugs with dopamine β-hydroxylase inhibitory activity. In vitro studies have shown that 1-phenyl-1,2,3,4-tetrahydro-isoquinoline inhibits human serum dopamine β-hydroxylase and can be used to study the possible role of this enzyme in Parkinson's disease. This drug is racemized in the body and has been found to be effective against Parkinson's disease in rats. It is also an enantiomer that has industrial applications for the production of polyurethane foam insulation coatings.</p>

<p>2-[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole is a synthetic, impurity standard that is used in the synthesis of drug products. It has been shown to inhibit the metabolism of drugs and may be used as a marker for drug metabolism. This compound may also be used as a marker in analytical studies to assess the purity of a drug product. 2-[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole has not been evaluated for safety or efficacy.</p>

<p>6-Methyl-4-phenyl-3,4-dihydro-1-benzopyran-2-one is an analog of the natural product zearalenone, which can be used as an acid catalyst for the synthesis of various pharmaceuticals. It has a linear range and is structurally similar to a number of other analogs. The chloride ion is involved in the optimization of the extraction parameters and can be replaced by other c1-4 alkyl groups. 6-Methyl-4-phenyl-3,4-dihydro-1 -benzopyran 2 one is typically prepared using a preparative high performance liquid chromatography technique that involves dehydration.</p>

<p>2-Methyl-3,4-dimethoxy pyridine hydrochloride is an analytical standard that is used as a reference compound in the pharmaceutical industry to identify impurities in drug products. It also has a niche use as an API impurity and HPLC standard. 2-Methyl-3,4-dimethoxy pyridine hydrochloride is used as an intermediate for the synthesis of other drugs, including benzodiazepines and beta blockers. It is also used in research and development for its high purity. This chemical is natural or synthetic in origin but can be custom synthesized to meet specific requirements. 2-Methyl-3,4-dimethoxy pyridine hydrochloride also has CAS number 1210824-88-6.</p>

<p>Solifenacin Impurity D is a synthetic impurity of solifenacin. Solifenacin is an anti-cholinergic drug used to treat overactive bladder and urinary incontinence. The purity of this product is 99%. It is soluble in methanol, ethanol, chloroform, and acetone. Solifenacin Impurity D can be used as a reference material for analytical purposes or as an impurity standard in the development of new drugs.</p>

<p>Oxybutynin EP impurity A is a metabolite of oxybutynin, an antispasmodic drug. It has been shown to have immunomodulatory effects in a rat model of adjuvant arthritis. Oxybutynin EP impurity A is the major metabolite of oxybutynin and has been shown to be pharmacologically active in humans.</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>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>Please enquire for more information about N-Methyl omeprazole (Mixture of isomers with the methylated nitrogens of imidazole) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Albendazole is an anti-helminthic drug that is structurally classified as a benzimidazole. It has been shown to be effective against a variety of helminths, including roundworms, pinworms, hookworms, and tapeworms. Albendazole impurity F is an analytical standard for the determination of albendazole in pharmaceutical products by HPLC. It also serves as a reference substance to establish the purity of drug products containing albendazole and its metabolites. Albendazole impurity F is not considered to be a metabolite of albendazole because it has been shown to be stable under acidic conditions and can be synthesized from other starting materials.</p>

<p>1-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]-2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]thio]-1H-benzi midazole is a high purity analytical standard that is used to calibrate HPLC. It is found as an impurity in the drug product and as a metabolite. 1-[(3-Methyl-4-(2,2,2 -trifluoroethoxy) - 2 - pyridinyl) methyl] - 2 - [[[3 - methyl (4 ( 2 , 2 , 2 - trifluoroethoxy) - 2 pyridinyl) methyl] thio] - 1 H benzimidazole is the IUPAC name for this compound. This chemical has been synthesized</p>

<p>2-Methoxy-5-methyl-gamma-phenylbenzenepropanol is a synthetic compound that is used as an intermediate in the synthesis of coumarin derivatives. Reaction with sulfonating agents produces sulfones, and reaction with borohydride reagents produces boronates. The synthesis of 2-methoxy-5-methyl-gamma-phenylbenzenepropanol can be accomplished by the reduction of diphenyl ethers with lithium aluminum hydride or borohydride. The reduction can also be carried out using lanthanum oxide and potassium borohydride. The reaction proceeds smoothly at room temperature in nonpolar solvents.<br>2-Methoxy-5-methyl-gamma-phenylbenzenepropanol reacts with chloride to produce the corresponding chlorides, which are useful intermediates for the synthesis of tolterodine tartrate, a drug used to treat urinary inc</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>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>Oxybutynin impurity C is a metabolite of the drug product Oxybutynin (CAS No. 1199574-70-3). It is an analytical standard for HPLC, and a natural impurity in the synthesis of Oxybutynin. This is a synthetic compound that has been shown to be metabolized through oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucuronic acid. Oxybutynin impurity C has been used as an analytical reference material for drug development and research and development.</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>