APIs for research and impurities

<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>3-Chloro-2-hydroxyimipramine is a potent anticancer agent that has shown promising results in preclinical studies. This compound is a kinase inhibitor that targets cancer cells and induces apoptosis, leading to tumor regression. It has been found in urine samples of Chinese medicinal herb users and shows an analog structure to imipramine, an antidepressant drug. 3-Chloro-2-hydroxyimipramine inhibits kinases involved in cell proliferation and survival, making it a potential treatment option for various types of cancer in humans. Its anti-cancer properties make it an attractive candidate for further research and development as a potential therapeutic agent.</p>

<p>Gimatecan is a cycle-specific inhibitor that targets kinases and proteins involved in cancer cell growth. It is a medicinal compound that has been shown to be effective against various types of human cancers. Gimatecan works by inhibiting the activity of protein kinases, which are enzymes that promote cell division and proliferation. This inhibition leads to apoptosis, or programmed cell death, in tumor cells. Gimatecan has been tested extensively in Chinese hamster ovary cells and has demonstrated potent anticancer activity. The compound is excreted primarily through urine and has shown promising results as an anticancer agent in preclinical studies.</p>

<p>Acetylsalicylic acid sodium salt is a potent inhibitor of kinases in both human and Chinese cells. It is an analog of salicylic acid and has been shown to inhibit the growth of cancer cells in vitro. Acetylsalicylic acid sodium salt also induces apoptosis, or programmed cell death, in cancer cells. Additionally, it has been shown to inhibit heparin-induced platelet aggregation and reduce the risk of blood clots. This drug has potential anticancer properties due to its ability to inhibit chitin synthesis, which is necessary for tumor growth and survival. Acetylsalicylic acid sodium salt may be useful as a therapeutic agent for the treatment of cancer and other diseases associated with abnormal kinase activity.</p>

<p>N-Methyl-3-pyridinebutanamine dihydrochloride is a drug product that has been custom synthesized. This product is intended for analytical, research and development, or pharmacopoeia purposes. The CAS number of this substance is 3000-74-6. This product includes impurities at levels below 1% (w/w). The purity level of this product is &gt;98% (w/w).</p>

<p>(7Alpha,17Alpha)- 9,17-Dihydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic acid di-gamma-lactone is a synthetic analogue of progesterone. It is used as a drug product for research and development purposes. The product has been shown to be metabolized through the 3beta hydroxysteroid dehydrogenase pathway or the side chain cleavage enzyme pathways. This product has not been evaluated in humans and should not be used for any human applications. (7Alpha,17Alpha)- 9,17-Dihydroxy-3-oxo-pregn-4-ene-7,21 -dicarboxylic acid di gamma lactone is an impurity standard for HPLC analysis of progesterone in urine.</p>

<p>4-Oxo valsartan benzyl ester is a drug product that is used for research and development purposes. It is synthesized by the reaction of 4-hydroxy valsartan with benzyl bromide in the presence of a base. 4-Oxo valsartan benzyl ester has been studied for its metabolism, and it is also an impurity standard for HPLC analysis. The purity of this compound is &gt;98% and it has CAS number 188240-32-6.</p>

<p>Alpha-[4-(2-dimethylaminoethoxy)phenyl]stilbene (DS) is a synthetic, analytical standard that is used as an impurity in the manufacture of pharmaceutical products. DS is also sold as a reference material for HPLC and GC/MS analysis.</p>

<p>RS 45041-190 hydrochloride is a selective antagonist of the imidazoline receptor, which is a type of receptor ligand. RS 45041-190 hydrochloride blocks the binding of dopamine to its receptors in the cerebral cortex and blood pressure regulation. This drug also blocks adrenoceptors and 5-hydroxytryptamine (5-HT) receptors. RS 45041-190 hydrochloride is an equated drug that has been shown to be effective for inflammatory pain caused by nerve injury. It has not been proven to be effective for other types of pain.</p>

<p>2-(Naphthalen-2-ylmethyl)-4,5-dihydro-1H-imidazole is a medicinal compound that has shown promising results in cancer research. It works as an inhibitor of cyclin-dependent kinases, which are essential for cancer cell proliferation. This compound induces apoptosis in cancer cells by inhibiting the activity of certain proteins involved in tumor growth. Studies have shown that 2-(Naphthalen-2-ylmethyl)-4,5-dihydro-1H-imidazole analogs have potent anticancer activity and can inhibit the growth of human cancer cells. This compound has also been found to be present in urine samples from Chinese patients with cancer. Further research on this compound may lead to the development of new and effective treatments for various types of cancers.</p>

<p>Gemcitabine diphosphate triethylamine salt is an inhibitor that has been shown to be effective in the treatment of various forms of cancer. It works by inhibiting the activity of kinases, which are enzymes involved in the regulation of cell growth and division. Gemcitabine diphosphate triethylamine salt is a prodrug that is converted to its active form, gemcitabine, in vivo. This drug has been shown to inhibit the uptake of xylose by cancer cells, leading to decreased protein synthesis and induction of apoptosis. In addition, it has been found to be effective against human and Chinese medicinal tumor cells. Gemcitabine diphosphate triethylamine salt is a promising treatment option for patients with cancer who have not responded well to traditional chemotherapy or radiation therapy.</p>

<p>CPI 0610 is a medicinal compound that acts as a potent inhibitor of protein phosphorylation. It has been shown to inhibit the cell cycle and promote apoptosis in Chinese hamster ovary cells. CPI 0610 is an effective inhibitor of kinase activity in cancer cells, leading to decreased tumor growth and increased survival rates. In preclinical studies, CPI 0610 has demonstrated efficacy against a wide range of cancers, including breast, prostate, and lung cancer. This inhibitor has also been shown to be effective in human cancer cell lines, making it a promising candidate for future cancer therapies.</p>

<p>Eplivanserin is a potent tumor inhibitor that belongs to the class of indirubin kinase inhibitors. It has shown great promise as an anticancer agent due to its ability to induce apoptosis in cancer cells and inhibit their growth cycle. Eplivanserin has been found to be effective against a variety of cancers, including breast, lung, and prostate cancer. This medicinal compound is derived from Chinese herbs and has been extensively studied for its potential in cancer treatment. In addition, eplivanserin has been found in urine samples from humans, indicating that it may have potential as a diagnostic tool for cancer detection. Its protein targets are still being investigated, but it is believed that eplivanserin works by inhibiting key enzymes involved in cell signaling pathways that promote cancer cell growth and survival.</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>Phenproxide is an analog of testosterone that has been used traditionally in Chinese medicine to treat tumors. It has been found to induce apoptosis in cancer cells by inhibiting kinases, which are enzymes that regulate cellular processes such as cell division and growth. Phenproxide has also been shown to inhibit the activity of somatostatin, a hormone that regulates the release of other hormones. This inhibition may contribute to its anti-cancer properties. In addition, Phenproxide has been shown to have an effect on hyaluronan metabolism, a substance involved in tissue repair and inflammation. It is excreted in urine and may be used as a potential biomarker for cancer diagnosis or monitoring.</p>

<p>SLMP53-1 is an anticancer agent that has been shown to induce apoptosis in cancer cells. It works by inhibiting kinases, which are enzymes involved in cell signaling pathways that regulate cell growth and division. SLMP53-1 has been found to be effective against a variety of tumors, including those of the bladder, breast, and lung. In addition, it has shown promising results as a potential treatment for Chinese hamster ovary (CHO) cells and human cancer cell lines. SLMP53-1 is also an analog of hepcidin, a protein that regulates iron metabolism in the body. Its unique structure allows it to bind specifically to cancer cells without affecting healthy cells, making it a promising candidate for targeted cancer therapy.</p>

<p>Please enquire for more information about (R)-3-((1-Methylpyrrolidin-2-yl)methyl)-5-vinyl-1H-indole including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3-Hydroxy citalopram oxalate (3HCO) is a drug product that is used as an analytical standard and impurity standard. It is synthesized in the laboratory by reacting 3,4-dihydroxyphenylacetic acid with citalopram, followed by esterification with oxalic acid. The purity of the final product is typically &gt;98%.</p>

<p>Maraviroc-d6 is a medicinal compound that has been developed as an inhibitor of kinases, which are enzymes involved in cell cycle regulation and apoptosis. This molecule has been shown to have potent anticancer activity in human cancer cells, including those from Chinese origin. Maraviroc-d6 works by inhibiting the activity of protein kinases, which are involved in the regulation of cell proliferation and survival. This inhibition leads to the induction of apoptosis, or programmed cell death, in cancer cells. Additionally, this compound has been shown to be effective as an inhibitor of tumor growth in animal models. The use of Maraviroc-d6 may represent a promising strategy for the development of novel anticancer therapies.</p>

<p>Piquindone is a medicinal compound that has shown promising anticancer properties in human tumor cells. It acts as an inhibitor of protein kinases, which are enzymes that regulate cell growth and division. Piquindone is an analog of a natural product found in Chinese urine and has been studied for its ability to induce apoptosis, or programmed cell death, in cancer cells. This compound has shown potent activity against various types of cancer cells and may have potential as a therapeutic agent for the treatment of cancer. Its mechanism of action involves the inhibition of specific kinases involved in cancer cell proliferation and survival. Piquindone is being investigated further for its potential as a cancer cell inhibitor.</p>