APIs for research and impurities

<p>N-Desethyl-E-clomiphene hydrochloride is a synthetic drug product that has been custom synthesized to meet the needs of our customer. It has been shown to be metabolized in vivo, with metabolites identified and characterized. This drug product is a synthetic, natural, and impurity standard. Metabolites have also been identified and characterized, so this compound may be used as an analytical reference material for HPLC methods.</p>

<p>Desmethoxyamino hydroxy gemifloxacin is a drug product that belongs to the class of fluoroquinolones. It is a synthetic compound with a molecular weight of 551.4 g/mol and an empirical formula of C21H25FN3O2. Desmethoxyamino hydroxy gemifloxacin has been shown to inhibit bacterial DNA gyrase and topoisomerase IV in vitro, which are enzymes that maintain the integrity of bacterial DNA. The compound binds to 16S ribosomal RNA and inhibits protein synthesis, leading to cell death by inhibiting the production of proteins vital for cell division. This drug product is metabolized into gemifloxacin, desmethoxyamino acid, and desmethylgemifloxacin. These metabolites have not been shown to be active against bacterial DNA gyrase or topoisomerase IV in vitro, but may be active against other targets in</p>

<p>L-Isoleucine orlistat is a drug product that is an analytical standard and a natural product. It is used in research and development for the study of drug metabolism, and as an impurity standard for synthetic L-isoleucine. L-Isoleucine orlistat has CAS number 1072902-75-0 and Impurity Standard Number (ISN) 910.<br>L-Isoleucine orlistat is not a registered active pharmaceutical ingredient (API). It can be custom synthesized to meet the requirements of a particular application, such as high purity, pharmacopoeia grade, or USP HPLC grade.</p>

<p>7-(4-{4-[4-(2,3-Dichlorophenyl)piperazin-1-yl]butoxy}butoxy)-3,4-dihydroquinolin-2(1H)-one is an analytical reference standard for HPLC. It is a white to light yellow crystalline powder that is soluble in water and ethanol. This compound has been synthesized from 4-(2,3-dichlorophenyl)piperazine and 3,4-dihydroquinoline 2(1H)-one. This molecule has been identified as an impurity in the drug product, Cefdinir (7-(2-(3,4-Dihydroxyphenoxy)propoxy)-3,4-dihydroquinolin-2(1H)-one). The purity of this chemical has been shown to be greater than 99.5% by high performance liquid chromatography (HPLC).</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>3-Dodecenal is a human analog that has been studied for its potential anticancer properties. It has been shown to induce apoptosis, or programmed cell death, in tumor cells. This medicinal compound acts as an inhibitor of protein kinases, which play a crucial role in regulating the cell cycle and are often overactive in cancer cells. 3-Dodecenal has shown promising results in inhibiting cancer cell growth in Chinese hamster ovary cells and may have potential as a natural alternative to traditional cancer treatments. In addition, this compound has been detected in human urine and is believed to have potential health benefits beyond its anticancer properties.</p>

<p>Methiotepa is a potent anticancer drug that has been used for the treatment of various types of tumors. It is a Chinese hamster ovary (CHO) cell-derived analog of chitin, which inhibits the activity of protein kinase C. Methiotepa induces apoptosis in cancer cells by inhibiting DNA synthesis and repair, leading to cell death. This drug has also been shown to be a potent inhibitor of heparin-induced platelet aggregation in human blood. Methiotepa has been found to be effective against a wide range of cancers, including breast, lung, ovarian, and bladder cancer, among others. Its use as an anticancer agent may be due to its ability to inhibit the activity of various kinases and other enzymes involved in cancer cell proliferation and survival.</p>

<p>4-Epi-dolutegravir is the active metabolite of dolutegravir. It is a synthetic, high purity API that is used as an analytical reference standard and a drug product for research and development purposes. The CAS number for 4-epi-dolutegravir is 1357289-37-2. 4-Epi-dolutegravir has been shown to have similar pharmacological properties to its parent compound, dolutegravir. Metabolism studies have demonstrated that the major route of elimination for 4-epi-dolutegravir is through urinary excretion.</p>

<p>4-Hydroxy mepivacaine is a drug product that belongs to the group of local anesthetics. It is a synthetic, non-proprietary compound that has been synthesized for research purposes. 4-Hydroxy mepivacaine has been shown to have analgesic effects in animals and humans. The metabolite profile of this agent has been studied in detail, and it includes metabolites such as piperidine, 4-hydroxypiperidine, 1-(4'-hydroxyphenyl)piperazine, and 4-hydroxymepivacaine. Metabolism studies show that the drug is metabolized by the liver and excreted through the kidneys. This drug product is not approved for use in humans or animals by any regulatory agencies.</p>

<p>Imidafenacin metabolite M4 is a synthetic impurity of imidafenacin. It is an API impurity as it is produced during the synthesis of this drug. Imidafenacin metabolite M4 has been shown to be present in high purity and is used as a pharmacopoeia standard. The compound has been studied for its metabolism, which includes studies on its ability to inhibit cytochrome P450 enzymes and other drug-metabolizing enzymes, as well as its potential to cause drug interactions.</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>Midostaurin Impurity 2 is a drug product that has been custom synthesized by our scientists. It is of high purity, and is used in analytical studies to understand its metabolism. This impurity also plays a role in drug development and pharmacopoeia. It can be found under CAS No. 155848-20-7, and has the molecular formula C10H16N4O2S. This compound has an analytical standard at HPLC, which can be used to make sure that it's purity meets FDA standards for research and development purposes.</p>

<p>Montelukast Bis-sulfide is a drug product that is custom synthesized with high purity. It has been studied for its metabolism, analytical properties, and natural sources. The metabolite of montelukast bis-sulfide has been extensively researched for pharmacopoeia as well as for drug development. Montelukast bis-sulfide is a synthetic compound that is not found in nature, but it has niche applications in research and development. CAS No.: 1242260-05-4</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>2-Hydroxy-2,3-tetrahydrofuranyl entecavir is a drug product that is an impurity standard for 2-hydroxy-2,3-dihydrofuranilide. It is used as a synthetic intermediate in the manufacture of entecavir, which is an antiviral agent used to treat hepatitis B virus infection. 2H2TFE has been shown to be metabolized by CYP450 enzymes and may have niche therapeutic uses. It also has a high purity level and can be used as a analytical reference material or API impurity. CAS No. 1984788-96-6</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>WH-4-025 is a potent kinase inhibitor that has shown promising results in the treatment of various cancers. It is derived from Chinese medicinal herbs and has been extensively studied for its anticancer properties. WH-4-025 works by inhibiting the activity of specific kinases that are involved in tumor growth and cell cycle regulation. It has been shown to induce apoptosis in cancer cells, leading to their death, and also inhibit the growth of leukemia cells. This protein inhibitor has been found to be effective against a wide range of human cancers and is currently being investigated as a potential therapy for cancer patients. WH-4-025 is excreted through urine, making it an attractive candidate for further development as an anticancer drug.</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 Flupirtine-N2-β-D-glucuronide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Gemcitabine hydrochloride is an analog of the natural nucleoside cytidine. It is a chemotherapeutic drug that is used in the treatment of pancreatic, lung and breast cancer. Gemcitabine hydrochloride is metabolized to its active form by deamination of cytosine residues in DNA. This conversion is catalyzed by the enzyme cytidine deaminase. Gemcitabine hydrochloride has been shown to be effective against metastatic pancreatic cancer and advanced-stage non-small cell lung cancer, as well as early-stage breast cancer. Gemcitabine hydrochloride has also been shown to be effective against certain types of lymphoma and leukemia.</p>