APIs pour la recherche et les impuretés

<p>Please enquire for more information about 3-(2-Bromoethyl)-7-hydroxy-4-methyl-coumarin 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 Tadalafil spiro-urethane impurity (EP impurity F) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(3R,4R,5S)-Ethyl 4-(N-(tert-butyl)acetamido)-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate is a synthetic metabolite of the drug etravirine. It is an impurity in the drug product. The impurity is characterized as a white to off-white crystalline solid with a molecular weight of 531.6 g/mol and melting point of 170°C. It is soluble in methanol, ethanol, acetone and chloroform, but insoluble in water. (3R,4R,5S)-Ethyl 4-(N-(tert-butyl)acetamido)-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate can be synthesized from commercially available starting materials</p>

<p>Lincomycin impurity B is a chemical substance which is the result of the metabolism of lincomycin. It is found in the urine and feces of patients who have taken lincomycin orally. Lincomycin impurity B has been detected in various commercial formulations of lincomycin, but its concentration varies with different batches. The HPLC standard purity for lincomycin impurity B is up to 99%. Lincomycin impurity B can be used as an analytical standard for HPLC analysis and as an API impurity in drug development. It also may be used as a research metabolite or pharmacopoeia reference material.</p>

<p>Salmeterol dimer impurity is a drug product. It is a custom synthesis with high purity. The metabolite of this compound is salmeterol, which is an active ingredient in the asthma medication Serevent (salmeterol xinafoate). Salmeterol dimer impurity has been shown to be a natural metabolite of salmeterol. Salmeterol dimer impurity has also been shown to have anti-inflammatory properties. This compound can be found as an analytical standard for HPLC and used for research and development purposes.</p>

<p>Nicotinic acid-13C1 is a nicotinic acid analog that is used to study the metabolism of nicotinic acid in humans. The 13C isotope is incorporated into the molecule, making it easier to detect and quantify using mass spectrometry. Nicotinic acid-13C1 can also be used as a high purity standard for HPLC analysis and as an impurity standard for pharmacopoeia testing. Nicotinic acid-13C1 can also be custom synthesized or obtained from natural sources such as yeast extract or synthetic sources such as 13C labeled acetone.</p>

<p>Please enquire for more information about Emtricitabine impurity 17 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Sitagliptin monohydrochloride monohydrate is an inhibitor of dipeptidyl peptidase-4 (DPP-4), which is responsible for the degradation of incretin hormones. It is used in the treatment of type 2 diabetes mellitus, as it increases insulin secretion and reduces blood glucose levels. Recent studies have shown that Sitagliptin has anticancer properties, as it induces apoptosis in cancer cells. It also inhibits protein kinases, which are involved in tumor growth and metastasis. Capsaicin, a compound found in chili peppers, has been shown to enhance the anticancer activity of Sitagliptin in Chinese hamster ovary cells. The drug is excreted primarily through urine and has a low potential for drug interactions with other kinase inhibitors. Overall, Sitagliptin monohydrochloride monohydrate shows great promise as both a diabetes medication and an anticancer agent.</p>

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

<p>Gentamicin Impurity</p>

<p>Amlodipine EP Impurity F maleate is an impurity of amlodipine, a drug product. It is a natural substance that has been classified as an API impurity in the United States Pharmacopeia (USP). The chemical name for this drug is 3-(2-chlorophenyl)-1-methyl-5-(o-tolyloxy)-2,4-dihydro-6H-[1,3]thiazolo[3,2-a]pyrimidin-7-one. Amlodipine EP Impurity F maleate has the following properties: C12H9ClNO2S and a melting point of 210°C with a purity of 99.5%. This compound was synthesized by custom synthesis and is used as an analytical standard for HPLC. This compound was also used during the development of amlodipine to determine its metabolism studies.</p>

<p>Amiodarone impurity E is a nucleophilic compound that is synthesized by the acylation of a diazonium salt with an amine. It has been shown to be active against staphylococci, but not against subtilis. The reaction may be catalyzed by acid or chloride. Amiodarone impurity E is also demethylated and dehydrated to form the final product, amiodarone.</p>

<p>7'-Methyl-2'-propyl-2,5'-bi-1H-benzimidazole (7'-MPB) is a benzimidazole derivative that is used as a medicine. It is made from recycled chemicals and has shown to have industrial applications as a catalyst for cyclization reactions. 7'-MPB is also used in the production of benzenesulfonic acid, which is an organic solvent. This chemical has been shown to be effective against high blood pressure, but has not been tested on humans yet. Telmisartan, which belongs to the angiotensin II receptor blocker class of drugs, can inhibit the synthesis of prostaglandins.</p>

<p>2,2',4,4',6,6'-Hexachlorobiphenyl (PCB-136) is a potent anticancer agent that has been shown to induce apoptosis in cancer cells. It acts as a kinase inhibitor by blocking the activity of specific kinases involved in tumor growth and progression. PCB-136 has been studied extensively in human and Chinese hamster ovary cells and has been found to be highly effective against various types of cancer. This medicinal analog also exhibits inhibitory effects on the protein kinases that regulate cell division and proliferation, making it a promising candidate for cancer therapy. In addition, PCB-136 shows potential for use as a urinary biomarker for exposure to environmental pollutants due to its persistence in the environment and ability to accumulate in body tissues.</p>

<p>(-)-Sabinene is a natural compound found in urine and various medicinal plants, including Chinese herbs. It has been identified as an analog of another natural compound that exhibits potent anticancer activity. (-)-Sabinene has been shown to inhibit the activity of certain proteins involved in cell cycle regulation and apoptosis, which are important processes for the growth and survival of cancer cells. In addition, (-)-Sabinene has been found to have inhibitory effects on tumor kinase activity, making it a promising candidate for the development of new anticancer drugs. Studies have shown that (-)-Sabinene can effectively inhibit the growth of various types of cancer cells, making it a potential therapeutic agent for the treatment of cancer.</p>