APIs pour la recherche et les impuretés

<p>Aripiprazole dimer is a drug product that is used for analytical purposes. It is an impurity standard for the research and development of drugs. The CAS number for this compound is 1797986-18-5. This compound, which has been synthesized, has not been found in nature and does not occur in pure form. Aripiprazole dimer is an analytical impurity standard and has been shown to be metabolized by CYP3A4. It also exhibits high purity levels and can be used as an API impurity standard in pharmacopoeia guidelines.</p>

<p>Please enquire for more information about 2-(2-Chlorobenzoyl)benzoic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Enalaprilat benzyl ester is a drug product that is custom synthesized according to the customer's specifications. It is a white or off-white crystalline powder and has a purity of 99%. Enalaprilat benzyl ester is used in the development of drugs, research and development, and analytical studies. It can be used as an impurity standard to test for enalaprilat in pharmaceutical products. It can also be used as a metabolite standard to measure blood levels of enalaprilat.</p>

<p>2,3,3',4'-Tetrachlorobiphenyl is an inhibitor that has been shown to induce apoptosis in human and Chinese hamster cancer cells. It inhibits the activity of kinases, which are enzymes that play a critical role in regulating cell growth and division. The inhibition of these enzymes leads to the activation of apoptotic pathways, resulting in cell death. Additionally, 2,3,3',4'-Tetrachlorobiphenyl has been found to inhibit the uptake of d-xylose by cells and decrease protein synthesis. This compound has potential medicinal applications for the treatment of tumors and cancers. It can be detected in urine samples and is considered a marker for exposure to environmental pollutants.</p>

<p>23,24-Anhydro tacrolimus is a synthetic prodrug of the immunosuppressant drug tacrolimus. It has the same pharmacological effects as the parent compound and can be used in its place to avoid adverse reactions. The metabolite of 23,24-anhydro tacrolimus is a natural metabolite of tacrolimus and has been synthesized for research purposes or for use as an analytical standard. 23,24-Anhydro tacrolimus is not an impurity standard, but rather a niche product that is not commercially available from suppliers.</p>

<p>Please enquire for more information about 2-[4-(Dimethylamino)-1-(2-methylphenyl)butyl]-phenol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>N4-(5-Chloro-4-quinolinyl)-N1,N1-diethyl-1,4-pentanediamine is a synthetic compound that is used as an impurity standard in the synthesis of a number of drugs. It is also used for research and development purposes. N4-(5-Chloro-4-quinolinyl)-N1,N1-diethyl-1,4-pentanediamine can be used as an analytical reference material for high performance liquid chromatography (HPLC) methods. This compound was synthesized from 5-(chloromethyl)quinoline and diethylamine.</p>

<p>Please enquire for more information about 3,4-Difluoro-2-(trifluoromethyl)-benzenamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Glimepiride EP Impurity G including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Diclazuril is a drug product that is custom synthesized in our laboratory. It is a high purity, analytical standard with a CAS No. 1796928-69-2. Diclazuril is metabolized through a number of metabolic transformations, including hydrolysis by esterases or glucuronidases, oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucuronic acid. The natural form of diclazuril has been identified as the metabolite of clozapine and other antipsychotic drugs. This drug has been evaluated for its pharmacopoeia and HPLC standards. These standards are used to determine the quality and purity of drugs that are used in research and development.</p>

<p>(2R,2R,Cis)-saxagliptin is an analytical research and development (R&amp;D) drug development API impurity HPLC standard that is a metabolite of saxagliptin. Saxagliptin is a drug product that has been approved for the treatment of type 2 diabetes. It has been shown to inhibit the activity of dipeptidyl peptidase-4 (DPP-4) in vitro and in vivo. Saxagliptin is a competitive inhibitor of DPP-4, which prevents it from breaking down incretin hormones such as glucagon-like peptide 1 (GLP-1). This results in increased levels of GLP-1, which improves blood glucose control. The purity level for this API impurity HPLC standard is high. Impurities are less than 0.5% and have been tested at various concentrations to ensure quality standards are met.</p>

<p>7 S-Cefdinir is an oral cephalosporin antibiotic that binds to penicillin-binding proteins in the bacterial cell wall by competitive inhibition. This binding prevents the formation of an antibiotic-inhibitor complex with transpeptidase and transpeptidase, which are enzymes involved in peptidoglycan synthesis. 7 S-Cefdinir also inhibits pentapeptide cross-linking, which is necessary for the formation of peptidoglycan chains. 7 S-Cefdinir has bactericidal activity against a wide range of bacteria and acts as an antibacterial agent. It is active against erythromycin-resistant strains of Streptococcus pneumoniae and Mycoplasma pneumoniae, but not against methicillin-resistant Staphylococcus aureus (MRSA).</p>

<p>N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide (CAS No. 864628-19-3) is a drug product that has a natural and synthetic origin. Metabolism studies have been conducted on the compound and it has been shown to be metabolized by the liver with the production of hydroxylamine, acetamide, and N-[(6-chloropyridin-3-yl)methyl]-N-methylacetamide. The impurity standard for this compound is N-[(6-chloropyridin-3-yl)methyl]-N methylacetamide hydroxylamine.</p>

<p>Please enquire for more information about 5-Nitro-2-(pyridin-4-yl)-2,3-dihydro-1H-isoindole-1,3-dione including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Dexamethasone EP Impurity K is an analytical standard for impurities in the drug product Dexamethasone EP. It is a synthetic methanolic solution of dexamethasone and a metabolite, which is chemically identical to the natural form. The purity of this impurity standard is 99.9%. This synthetic impurity is used for HPLC analysis as a pharmacopoeia-grade reference material.</p>

<p>5-(Aminosulfonyl)-2-methoxy-benzoic acid methyl ester is a synthetic compound that is used for pharmaceutical preparations. It is typically prepared by the reaction of ethylene and chloroacetic acid in the presence of an organic solvent. The reaction time can be adjusted to produce the desired amount of 5-(aminosulfonyl)-2-methoxy-benzoic acid methyl ester. This synthetic compound has been shown to have a high yield, with minimal contaminating impurities. It has also been shown to be effective in both pharmaceutical dosage and calibration.</p>

<p>(-)-Tianeptine monosodium salt is a potent inhibitor of kinase activity that has shown anticancer properties in human urine. It has been found to inhibit the growth of cancer cells by inducing apoptosis, which is programmed cell death. (-)-Tianeptine monosodium salt also inhibits the activity of kinases, which are enzymes that regulate various cellular processes such as protein synthesis and cell division. This compound has been studied extensively for its potential use as an anticancer drug and has shown promising results in Chinese hamster ovary cells. In addition, it has been found to be a potent inhibitor of D-xylose kinase, which may have implications for the treatment of certain metabolic disorders. Overall, (-)-Tianeptine monosodium salt shows great potential as an effective inhibitor of cancer cell growth and other diseases related to kinase activity.</p>

<p>8-[2-(Diphenylmethoxy)-N-methylethylamino]-1,3-dimethylxanthine is a drug product that is used as an HPLC standard and as a metabolite in drug development. It is a natural product that has been found to be a potent inhibitor of phosphodiesterase (PDE) type IV. 8-[2-(Diphenylmethoxy)-N-methylethylamino]-1,3-dimethylxanthine can be synthesized from the corresponding phenol derivative through oxidation with potassium permanganate followed by treatment with dimethyl sulfate and sodium methoxide. This compound is also used in analytical methods for the detection of impurities in APIs and for the investigation of metabolic pathways.</p>

<p>(4R)-4-Hydroxy-L-prolyl]amino}benzoic acid is a chemical compound that is used as an analytical standard, research and development, high purity, drug development, API impurity, HPLC standard, niche drug product, impurity standard and metabolite. It has the molecular formula C9H8O5 and the molecular weight of 212.13 g/mol. The CAS number for (4R)-4-Hydroxy-L-prolyl]amino}benzoic acid is 770703-11-2.</p>

<p>Fluvoxketone is a drug that belongs to the class of selective non-steroidal anti-inflammatory drugs. It is a mixture of stereoisomers, with a ratio of 1:1, which have different pharmacological properties. Fluvoxketone has an average elution time of 18 minutes and can be detected in the sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) profile at around 10 minutes. This drug was selected as the optimum drug for this study by optimisation of its solubility, selectivity, and stability.</p>

<p>Please enquire for more information about Ozagrel impurity III including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about BLM-IN-1 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Desphenol 1-hydroxyethyl cefoperazone furolactone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Ceftazidime t-butyl ester is a prodrug of ceftazidime. It is a crystalline, stable form of the drug that can be dissolved in an organic solvent. Ceftazidime t-butyl ester has an average UV detection wavelength with a linear range of 200-600 nm and can be detected at a wavelength of 220 nm. This drug is used to treat infections caused by bacteria, including those that are resistant to other antibiotics, such as penicillin or ampicillin. Ceftazidime t-butyl ester has been shown to be effective against methicillin-resistant Staphylococcus aureus (MRSA) and Clostridium perfringens, although is not active against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex.</p>

<p>(2R)-3-Hydroxyisovaleroyl-d3 carnitine is a drug product that is custom synthesized for research and development. It has a purity of &gt;90%. This product can be used in metabolism studies, natural products, drug development, pharmacopoeia, or as an analytical reference standard. The CAS number for this product is 1058636-00-2. (2R)-3-Hydroxyisovaleroyl-d3 carnitine may also contain impurities of 0.05%. The molecular weight for this compound is 266.37 g/mol and the chemical formula is C5H11NO4.</p>

<p>Cereulide is a potent inhibitor of apoptosis and has been shown to have medicinal properties in Chinese traditional medicine. It is a protein kinase inhibitor that has been found to be effective against various types of cancer cells, including human tumor cell lines. Cereulide analogs have been developed as potential anticancer agents due to their ability to inhibit kinases involved in cancer progression. This compound has also been detected in urine samples from patients with acute gastroenteritis caused by Bacillus cereus, indicating its potential as a diagnostic marker for this condition. With its promising medicinal properties, Cereulide continues to be studied for its potential therapeutic applications.</p>

<p>4-Methyl-2,4-bis(4-hydroxyphenyl)pent-1-ene is a synthetic intermediate for use in the preparation of an HPLC standard. It is also used as a natural product and an analytical reference material. The CAS Number for this substance is 13464-24-9, and it is classified as an impurity in API preparations. 4-Methyl-2,4-bis(4-hydroxyphenyl)pent-1-ene is metabolized by cytochrome P450 enzymes to form 2,6,10,14,-tetramethylpentadecane. This compound has been found to have antiinflammatory activity.</p>

<p>Please enquire for more information about Lovastatin impurity F [ep] including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-tr iol is an analytical standard that is used to calibrate HPLC. It has a purity of 98% and a CAS number of 915095-96-4. It is also an impurity in drug product with a purity of 95%. (3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro--</p>

<p>Please enquire for more information about Cefazolinamide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Ivacaftor carboxylic acid is a pharmaceutical drug that is used to treat cystic fibrosis. It is a prodrug, which means it is inactive until it is metabolized by the body into its active form, ivacaftor. Ivacaftor carboxylic acid binds to CFTR proteins, which are responsible for transporting chloride ions across cell membranes. This causes an increase in the transport of chloride ions into cells and improves the flow of salt and water out of the lungs. Ivacaftor carboxylic acid has been shown to be safe and effective in patients with cystic fibrosis who have two copies of the F508del mutation in their CFTR gene, including those who have never received treatment with ivacaftor before.</p>

<p>Heptamethylcyclotetrasiloxane is a medicinal compound that has been found to have anticancer properties. It acts as an inhibitor of kinases, which are proteins that play a key role in cancer cell growth and proliferation. Heptamethylcyclotetrasiloxane has been shown to induce apoptosis (programmed cell death) in cancer cells, making it a potential treatment for various types of tumors. This compound is an analog of other kinase inhibitors and has been tested in both Chinese and human cancer cell lines with promising results. Its ability to inhibit kinases makes it a potential candidate for further development as an anticancer drug.</p>

<p>Mm 77 is a blocker of serotonin. It binds to serotonin receptors and blocks the binding site for serotonin, thereby preventing the transmission of nerve impulses. Mm 77 has been shown to be effective in treating hepatitis.</p>

<p>(1RS)-1-(6-Methoxy-2-naphthyl)ethanol is a multiphase test drug that exhibits reactive properties. It reacts with hydrogen to form hydrogen bonds and is insensitive to sephadex g-100. This compound also forms hydrogen bond with acetyl groups, which can be observed in the strain of the molecule. (1RS)-1-(6-Methoxy-2-naphthyl)ethanol has a primary alcohol group and can be easily acetylated. UV irradiation causes this compound to fluoresce, making it useful in kinetic studies.</p>

<p>Please enquire for more information about Elagolix dialkylated impurity including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Elagolix hydroxy impurity including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Ambroxol hydrochloride impurity C is a by-product of ambroxol hydrochloride. It is a diammonium salt that occurs as an eluted peak during the purification process of ambroxol hydrochloride. The detection time for this impurity is approximately 20 minutes after injection, which corresponds to the detection wavelength of 230 nm. Impurities in the ambroxol hydrochloride are commonly detected using liquid chromatography with ultraviolet (UV) detection.</p>

<p>N-Trityl candesartan ethyl ester is a drug product that has been custom synthesized for research and development purposes. It is an impurity standard for the synthesis of metoprolol. The compound was synthesized as a synthetic intermediate to be used in an analytical study, and is not found in nature. N-Trityl candesartan ethyl ester is chemically similar to Metoprolol and can be used as an impurity standard for HPLC analysis of Metoprolol or other drugs containing Metoprolol.</p>

<p>Trandolaprilat methyl ester is an analytical grade chemical and pharmaceutical intermediate. It is the methyl ester of trandolaprilat, a cardioselective angiotensin-converting enzyme (ACE) inhibitor that has been used in the treatment of hypertension and congestive heart failure. Trandolaprilat methyl ester is a white to off-white crystalline powder with a melting point of 135-138 ˚C. It is soluble in methanol and ethanol, but insoluble in water. The purity of Trandolaprilat methyl ester can be determined using HPLC analysis. The following table provides information about impurities detected by HPLC analysis: Impurity | Purity | % Impurity | CAS Registry Number Trandolaprilat | 99.8% | 0.2% | 118194-41-5 Methyl acetate | 0.2% | 0</p>

<p>1-[5-(Hydroxymethyl)-2-furyl]-2-methyl-1,2,3,4-tetrahydroisochinolin-4,8-diol is a compound that has not been fully characterized. It is a synthetic product with the following chemical structure:</p>

<p>5α-Androst-9(11)-ene-3,17-dione is a drug product that has been custom synthesized for research and development purposes. This compound is a natural metabolite of testosterone. It is also a synthetic drug development candidate, which has been shown to have anti-inflammatory properties. 5α-Androst-9(11)-ene-3,17-dione has been found to be an impurity in the synthesis of different drugs and is used as a reference standard for HPLC analysis.</p>

<p>N-[[Cis-4-(1-methylethyl)cyclohexyl]carbonyl]-D-phenylalanine (nateglinide impurity) is a postprandial blood glucose lowering agent that belongs to the class of glp-1 analogues. It has been shown to have long term efficacy and be safe for use in patients with bowel disease. Nateglinide is an ATP-sensitive K+ channel opener, which increases the amount of K+ permeability through the cell membrane and lowers the intracellular level of ATP. This leads to increased insulin release from beta cells in response to hyperglycaemia, which reduces blood glucose levels. Thermodynamic data for this compound have not been determined due to its low solubility in water.</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>

<p>Dasatinib is an inhibitor of tyrosine kinases, which are enzymes that transmit signals from outside the cell to inside the cell. Dasatinib carboxylic acid ethyl ester is the analytical standard for dasatinib and can be used for drug development and quality control of drug products. The impurity standard for dasatinib carboxylic acid ethyl ester is 2-amino-N-(4-methoxybenzoyl)-3,5-dinitrobenzamide (CAS No. 106560-78-1).</p>

<p>The human red blood cell (RBC) is a non-nucleated cell in the human blood that carries oxygen to the body's cells. The erythrocyte is characterized by its biconcave shape and its lack of organelles. It has a volume of about 80 fL, and a diameter of about 7 micrometers. The RBCs are produced in bone marrow from precursor cells that differentiate into erythroid progenitor cells. This drug binds to the hemoglobin molecules in the red blood cells and alters their shape, causing an increase in their deformability. In addition, this drug decreases the viscosity of the plasma outside of the red blood cell, which increases its extravascular sensitivity. Evaluations have been performed on low doses to evaluate sensitivities within capillaries with microscopy parameters such as magnification and resolution. These evaluations have shown that this drug can be used for quantifying changes in capillary size due to low doses (</p>

<p>Defluoropitavastatin calcium salt is a synthetic, high purity, pharmacopoeia drug product. It is a metabolite of pitavastatin and has been shown to have similar pharmacological activity. Defluoropitavastatin calcium salt has a niche in the analytical industry due to its high purity and stability. It has been used as an impurity standard for HPLC analysis. Defluoropitavastatin calcium salt is not found in nature and can be synthesized with the help of our Custom Synthesis service.</p>

<p>Bisoprolol impurity G is a metabolite of bisoprolol. It is the standard for bisoprolol impurities and is used as an analytical reference material for the quality control of bisoprolol.</p>

<p>Remdesivir impurity 3 HCl is a drug product that is a metabolite of Remdesivir. It has been shown to be a natural, synthetic and research and development impurity standard for HPLC analysis. CAS No.: 2096981-79-0</p>

<p>Dechloro anagrelide is a synthetic product that has been developed for use in drug development. It is a white powder and is insoluble in water. Dechloro anagrelide is used as a reference standard for the analysis of impurities found in anagrelide. This product is also used for HPLC analyses and research and development purposes.</p>

<p>(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid sodium salt is a synthetic drug product. It is an impurity standard in the synthesis of Metabolism studies. The CAS number is 1714147-50-8 and the chemical name is (3R,5S,6E)-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2 methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5dihydroxyheptenoic acid sodium salt. The molecular weight is 781</p>

<p>(E,Z)-Epalrestat methyl ester is a drug product that is custom-synthesized for research and development purposes. It is a natural metabolite of (E,Z)-epalrestat acid. The chemical name for this compound is 3-[(2-chlorophenyl)methyl]-N-(1H-indol-3-ylmethylene)malonamide. The molecular weight of this compound is 284.87 g/mol and it has an empirical formula of C24H27ClN2O2. It has been found to inhibit the activity of phosphodiesterase (PDE), which plays a role in the breakdown of cyclic nucleotides such as cAMP and cGMP. This product has high purity and analytical data that can be used for metabolism studies or clinical trials.</p>

<p>Adx 10059 hydrochloride is a synthetic drug that is used in research and development. It is an impurity standard for the manufacture of drugs and drug products. Adx 10059 hydrochloride is also used as a high-purity reagent in pharmacopoeia and drug development, as well as in analytical chemistry. The compound has been shown to be metabolized by the liver, with metabolites being excreted through urine. This product may also have effects on acetylcholine release, which may make it useful in the treatment of Parkinson's disease.</p>

<p>Please enquire for more information about 5-Chloro-2-(4-chlorophenoxy)phenol 1-acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 4-Ethyl-5-fluoropyrimidine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity is a drug product that is used for analytical purposes and as a research and development standard. It is an impurity of pioglitazone, a drug developed for the treatment of diabetes mellitus type II. The chemical name for 3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity is 3-(4'-hydroxybutoxy)-4'-methoxyphenyl 2-(5'-ethyl-2'-pyridinylethoxy)benzeneacetic acid. This compound has an empirical formula of C20H25NO6 and molecular weight of 361.39 g/mol. The CAS number is 952187-99-4.</p>

<p>Please enquire for more information about Decyclohexanol-ethoxycarbonyl-o-desmethyl venlafaxine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,4-Diamino-7-pteridinemethanol (2,4-DPPM) is a drug product and an impurity found in the synthesis of 2,4-diamino-7-(2H)-pteridinone. 2,4-DPPM is a synthetic product that can be used as an analytical standard for the determination of aminopyrine in pharmaceuticals and other organic compounds. This compound has been used in pharmacological studies to investigate its effects on various enzymes associated with metabolism. It has also been used as an impurity standard for HPLC analysis of aminopyrine.</p>

<p>Tianeptine is a drug product that belongs to the group of antidepressants. It is metabolized by cytochrome P450 enzymes in the liver and excreted in urine. Tianeptine ethyl ester is used as an analytical reference standard for the tianeptine content of HPLC samples. The CAS number for tianeptine ethyl ester is 66981-77-9.</p>

<p>Arbidol is a drug molecule that interacts with protease enzymes. It has been shown to inhibit human erythrocyte chymotrypsin, trypsin, and elastase. Arbidol is also able to inhibit the growth of bacteria such as Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa. The molecular modelling of arbidol suggests that it binds to the active site of the enzyme by blocking hydrophobic pockets on the surface of the enzyme. The conformational change in the protease enzyme activates arbidol's binding site for an extended period of time. This prolonged interaction prevents substrate from binding to the catalytic site of the enzyme and inhibits its activity.</p>

<p>3' - Destrifluoromethyl 2' - trifluoromethyl cinacalcet is a metabolite of cinacalcet, which is a drug used for the treatment of secondary hyperparathyroidism. It is an impurity in the drug product and can be identified by HPLC.</p>

<p>Azelastine N-oxide is a racemic form of azelastine, an antihistamine. The crystal structure of azelastine N-oxide has been determined by X-ray crystallography and found to be identical to the structure of azelastine. Azelastine N-oxide is used in assays as a racemic mixture with azelastine, but can also be used as an n-oxide. Azelastine N-oxide inhibits the activity of CYP1A2, CYP2C9, CYP2C19 and CYP3A4 enzymes in microsomes. It also blocks xanthine oxidase and prevents the formation of reactive oxygen species.</p>

<p>15-HETE is a protein that has been found to be associated with cancer. It can be detected in urine and has been shown to have inhibitors that promote apoptosis, which is the natural process of programmed cell death. This inhibitor analog has been studied for its potential as an anticancer agent and has shown promise in inhibiting kinase activity, which is essential for tumor growth and replication. 15-HETE has also been used in Chinese medicinal practices for its potential anticancer properties. Further research is needed to fully understand the mechanisms by which 15-HETE works and how it can be used to combat cancer in humans.</p>

<p>This is an analytical standard for the impurity N-[[2-[[[4-[[(hexyloxy)carbonyl]amino]carbonyl]phenyl]amino]-methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-β-alanine ethyl ester. It has a purity of &gt;98% by HPLC and is available in quantities of 5g.</p>

<p>N,N-dimethyl-2-[(3-methylphenyl)phenylmethoxy]ethanamine is a metabolite of amphetamine. It is a synthetic drug that is used in the research and development of drugs. Its chemical name is 2-[(3-methylphenyl)phenylmethoxy]N,N-dimethyl ethanamine. It is also known as 3,4-dihydroxyphenethylamine and N,N-dimethylamphetamine. This compound has been found to be an impurity standard in amphetamine products. The CAS number for this compound is 21945-86-8.</p>

<p>(+)-Anatoxin A hydrochloride is a tumor inhibitor that has medicinal properties for the treatment of cancer. It is an analog of protein kinase inhibitors and works by inhibiting kinases in cancer cells, leading to apoptosis or programmed cell death. (+)-Anatoxin A hydrochloride has been shown to be effective against Chinese hamster ovary cells and human tumor cell lines. This drug also has potential as an anticancer agent due to its ability to induce apoptosis in cancer cells. Additionally, it has been found in urine samples of patients with bladder cancer and may serve as a diagnostic marker for this disease. Overall, (+)-Anatoxin A hydrochloride shows great promise as a potent and selective kinase inhibitor with potential therapeutic applications for the treatment of cancer.</p>

<p>3alpha-Hydroxy pravastatin sodium salt is a white to off-white crystalline powder. It is used as an analytical standard for 3alpha-hydroxypravastatin and its metabolites. The CAS number is 81093-43-8, and the molecular weight of this compound is 467.6 g/mol. This product can be custom synthesized to meet your needs.</p>

<p>Please enquire for more information about 3,4-Dihydro-1H-cyclopenta[cd]indol-2(2aH)-one including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about N-Desmethylpromazine hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl N-[(7R)-6,7-dihydro-5-[(4-methoxyphenyl)methyl]-6-oxo-5H-dibenz[b,d]azepin-7-yl]carb amate is a synthetic compound. It is an impurity in the drug product Brivaracetam (CAS No. 1083065-09-1). This impurity was observed to be present in Brivaracetam at a concentration of 0.0008%. The drug product was manufactured by Drug development and Natural, Research and Development. The impurities were detected using HPLC standard and the analytical method. Impurity standards are available for the synthesis of this compound.</p>

<p>Diclofenac dimer impurity is a synthetic impurity that is used as a research and development, impurity standard, custom synthesis, drug product, and analytical standard. It is a high purity, CAS No. 1609187-30-5, pharmacopoeia (USP), Drug development (DSD), Metabolite (MET), niche, analytical standard. Diclofenac dimer impurity is a natural metabolite of diclofenac in humans and other animals. The chemical name for the metabolite is 2-(dichlorophenyl) propionic acid or 2-[2-chloro-4-(2,2-dichlorovinyl)phenoxy]propanoic acid. Diclofenac dimer impurity may be synthesized by reacting diclofenac with paraformaldehyde followed by hydrolysis with sodium hydroxide or potassium hydroxide. HPLC analysis</p>

<p>Cantharene is a medicinal compound that has been shown to have potent anticancer properties. It is an analog of cantharidin, a natural compound found in Chinese blister beetles. Cantharene works by inhibiting the activity of certain protein kinases, which are enzymes that play a critical role in cell cycle regulation and tumor growth. This inhibition has been shown to induce apoptosis, or programmed cell death, in cancer cells. Cantharene has been tested on human cancer cell lines and has demonstrated significant tumor-inhibitory effects. It is a promising candidate for the development of new cancer therapies and inhibitors.</p>

<p>Erlotinib-3-vinyl hydrochloride is a drug product that is used in the treatment of cancer, including non-small cell lung cancer. It is an impurity standard for HPLC and analytical testing. Erlotinib-3-vinyl hydrochloride is also used as an API impurity and metabolite in metabolism studies. Erlotinib-3-vinyl hydrochloride can be synthesized from 4-(4'-vinylphenoxy)butanal, which is a natural compound obtained from plants like apple trees. This synthetic process can be done by the reduction of 4-(4'-vinylphenoxy)butanal with sodium borohydride, followed by reaction with vinyl chloride. The compound is also found as a metabolite in humans after oral administration of erlotinib, which has been shown to inhibit protein synthesis and DNA synthesis.</p>

<p>aH 11110 Hydrochloride is an analytical standard for HPLC. It is a white powder that can be used to make up a solution of known concentration for use in HPLC analysis. It has been shown to have no pharmacological activity, and is not considered to be toxic. The impurity profile of aH 11110 Hydrochloride is similar to the corresponding impurity profile of the drug product, which is consistent with the chemical structure.</p>

<p>2-Cyclohexen-1-one is a synthetic drug product that has been used in research and development, as a metabolite, impurity standard and analytical reference material. This compound is also used in pharmacopoeia as an API impurity. The chemical purity of this product is greater than 99%.</p>

<p>Pemetrexed is a drug product that belongs to the group of drugs called antifolate agents. It is used in the treatment of cancer and is metabolized through a number of metabolic transformations, including hydrolysis by esterases or glucuronidases, oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucuronic acid. The impurity C is a natural metabolite that can be found in urine as well as in plasma. This impurity has not been identified as a major metabolite of pemetrexed.</p>

<p>Metabolite of benserazide</p>

<p>Methyl 4-[(5-amino-1-methylindol-3-yl)methyl]-3-methoxybenzoate is a metabolite of the drug methyl 3-[(5-amino-1-methylindol-3-yl)methyl]benzoate. It is a white solid that is soluble in alcohol, acetone, and chloroform. Methyl 4-[(5-amino-1-methylindol-3-yl)methyl]-3 methoxybenzoate has been used as an impurity standard for HPLC analysis of methyl 3-[(5 aminio 1 methyl indol 3 yl) methyl] benzoate. This chemical has also been investigated for its antiinflammatory properties.</p>

<p>Endo-cis-lurasidone hydrochloride is a synthetic, high purity, analytical standard material. It is an impurity in the drug product, Lurasidone hydrochloride. The chemical name for Endo-cis-lurasidone hydrochloride is 3-[4-(2,6-dioxopiperidin-3-yl)phenoxy]propanoic acid, 1-[(1R)-1-(2,3-dihydroxypropyl)piperidin-3-yl] ester. The CAS number for Endo-cis-lurasidone hydrochloride is 1318074-20-2.</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>4-Methyl-3-[4-(3-pyridinyl)-2-pyrimidinyl]amino]benzamide is a synthetic compound that has been used as an impurity standard to determine the purity of drugs. It is also used in research and development, drug product, and custom synthesis. 4-Methyl-3-[4-(3-pyridinyl)-2-pyrimidinyl]amino]benzamide has a CAS number of 851137-91-2 and is on the list of pharmacopoeias. This compound is not found in nature, but it can be synthesized in the laboratory. Metabolism studies have been conducted for this drug to identify its metabolites, which can be determined through HPLC analysis.</p>

<p>Amoxicillin trihydrate impurity G is an analytical standard, a high purity API impurity, and an HPLC standard. It is also used in the development of drugs and as a drug product impurity. Amoxicillin trihydrate impurity G is a metabolite that has been shown to be present at low levels in amoxicillin trihydrate products. This impurity is not listed on the pharmacopoeia for compounds of natural origin or for compounds of synthetic origin.</p>

<p>Racecadotril Impurity G is an analytical impurity found in the drug Racecadotril. It has been observed as a minor component in HPLC standards and can be synthesized from natural or synthetic sources. Racecadotril Impurity G is not found in the pharmacopoeia and does not have a CAS number.</p>

<p>Racemic norphenylephrine hydrochloride is a sympathomimetic amine. It is the racemic mixture of two enantiomers: (+)-noradrenaline and (-)-isopropyladrenaline. Racemic norphenylephrine hydrochloride has been shown to have antimicrobial activity by inhibiting bacterial growth, as well as being effective in treating autoimmune diseases and chronic oral disorders such as constipation. Racemic norphenylephrine hydrochloride can also be used for the treatment of cardiac diseases, including chronic heart failure, coronary artery disease, or hypertension. In addition, Racemic norphenylephrine hydrochloride can be used to treat detrusor muscle dysfunction (e.g., urinary incontinence).</p>

<p>Lisinopril diketopipirazine is an analytical drug product. The CAS number for this product is 219677-82-4. This product requires a custom synthesis and impurity standard. It is synthesized from lisinopril hydrochloride and diketopiperazine hydrochloride. Lisinopril diketopipirazine is a high purity, pharmacopeia grade drug with a natural amino acid. This product has been used in research and development, niche markets, and drug development.</p>

<p>Please enquire for more information about 3-(1,1-Difluoro-2-propen-1-yl)-2(1H)-quinoxalinone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 3’-o-Benzyl-(1R)-hydroxy tapentadol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>aR-C 66096 Tetrasodium is a drug product that has been developed for use in analytical, research and development, and other applications. The active ingredient of aR-C 66096 Tetrasodium is Metabolism studies (145782-74-7). It is a natural API impurity with CAS No. 145782-74-7. The impurity standard of this compound is Synthetic (145782-74-7). This product has been custom synthesized to meet the requirements of an Impurity Standard (145782-74-7). aR-C 66096 Tetrasodium is manufactured in the United States and meets all USP/EP specifications. aR-C 66096 Tetrasodium was developed to be used as an HPLC standard for pharmacopoeia testing.</p>

<p>Butanilicaine hydrochloride is a molecular weight heparin that is structurally related to the natural pentasaccharide sequence of heparin. Its anticoagulant activity is due to its ability to form a coordination complex with calcium in the presence of magnesium and other cations. Butanilicaine hydrochloride has been shown to have anti-inflammatory and angiogenic properties, which may be due to its inhibition of pro-inflammatory factors such as TNF-α and IL-1β. It also inhibits production of angiogenic factors, such as VEGF and HGF.</p>

<p>Asenapine 11-hydroxysulfate is a metabolite of asenapine. It is a synthetic drug that can be synthesized from asenapine by reacting with hydrogen sulfide. Asenapine 11-hydroxysulfate may be used for the production of asenapine, or it may be used in analytical research to determine the purity and identity of asenapine.</p>