APIs for research and impurities

<p>Surfactin is a cyclic lipopeptide that has been found in urine and has shown potential as an anticancer agent. It has been shown to inhibit kinases, including indirubin and Chinese hamster ovary cell tumor kinase, which are involved in cancer cell proliferation. Surfactin analogs have also been developed as inhibitors of cancer cell growth and inducers of apoptosis. In addition to its anticancer properties, surfactin has been found to have antimicrobial activity against a variety of bacteria, including Clostridium perfringens. Overall, surfactin shows promise as a multifunctional therapeutic agent with potential applications in both cancer treatment and microbial control.</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>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>7-Chloro-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid ethyl ester is a synthetic compound that has not been evaluated in humans. Studies have shown that the drug can be hydrolyzed to 7-chloro-6-fluoroquinoline 1,1′-(ethylenedioxy)bis(ethane), which is an impurity of norfloxacin. The ethyl esters of 7-chloroquinoline are also known to condense with formaldehyde and hydrolyze to 7-chloroquinolinic acid. This product may contain solvents such as acetone, chloroform, and alcohols that are used during the synthesis process. Decarboxylation of the drug occurs when it is heated at high temperatures in the presence of a catalyst, such as pyridine or sodium methoxide. It decarboxyl</p>

<p>N-Methyl-4-phenylpiperidine is a synthetic drug that acts as a stimulant. It is a structural analog of the neurotransmitter acetylcholine and has been shown to have similar effects in knockout mice. N-Methyl-4-phenylpiperidine is metabolized by hydrolysis of the amide group, leading to the formation of alphaprodine and hydroxyphenylacetic acid. This drug has been shown to inhibit dopamine and serotonin uptake in rats, which may be related to its psychostimulant effects. Clinical pharmacology studies have shown that this drug can increase blood pressure, heart rate, and respiration rates in humans.</p>

<p>aR453588 is a human analog of Voriconazole, which has been found to have anticancer properties. This compound is a kinase inhibitor that works by inducing apoptosis in cancer cells. It has been shown to be effective against various types of tumors, including those resistant to other inhibitors. aR453588 also inhibits the growth of cancer cells by blocking protein synthesis and cell division. This compound is derived from cellulose and can be detected in urine samples after administration. Overall, aR453588 shows great promise as a potential treatment for cancer.</p>

<p>Please enquire for more information about 3-(tert-Butylsulfinyl)propanoic acid 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 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>Olaparib impurity 14 is a metabolite of olaparib. Olaparib is a drug used to treat cancer by inhibiting the activity of PARP1, an enzyme that repairs DNA damage. This impurity is a compound that can be synthesized in high purity and quality with a custom synthesis service. It has been shown to have niche applications in pharmacopoeia, drug development, and analytical studies.</p>

<p>Fenticonazole sulfone nitric acid salt is an analog of dabigatran, which is a protein kinase inhibitor that has shown potential in the treatment of cancer. It induces apoptosis in human cancer cells and inhibits the activity of various kinases involved in tumor growth and proliferation. Fenticonazole sulfone nitric acid salt has been studied extensively for its anticancer properties, showing promising results in Chinese hamster ovary cells and urine samples from cancer patients. This drug also exhibits inhibitory effects on protein kinases that are involved in the regulation of cell cycle progression, angiogenesis, and metastasis. Overall, Fenticonazole sulfone nitric acid salt holds great promise as a potential anticancer agent.</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>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>NUC-7738 is a medicinal compound that has been shown to be an effective inhibitor of cyclin-dependent kinases (CDKs). It has potent anticancer activity and has been studied extensively in Chinese hamster ovary (CHO) cells, human leukemia cells, and other cancer cell lines. NUC-7738 works by selectively inhibiting CDK4/6, which are critical regulators of the cell cycle. This leads to the induction of apoptosis in cancer cells, making it a promising new therapeutic agent for the treatment of various types of cancer. Additionally, NUC-7738 has been shown to have low toxicity and good pharmacokinetic properties in preclinical studies. Overall, this compound holds great promise as a novel anticancer therapy that may help improve outcomes for patients with cancer.</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>N-Desmethyl trimeprazine is a synthetic compound, which is an impurity of the drug product. It is not active and does not possess any biological activity. It is a metabolite of the parent drug, Trimeprazine. N-Desmethyl trimeprazine has been studied for its pharmacological properties and metabolism in the body, but no conclusive results have been found. The chemical structure and purity of N-Desmethyl trimeprazine are not listed in the USP or BP. This compound can be custom synthesized on request.</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>Fonofos is a potent inhibitor that has been shown to induce apoptosis in Chinese hamster ovary cells. It is also known to inhibit chitin kinase, a protein that plays an important role in the biosynthesis of chitin, which is essential for the formation of cell walls in fungi and insects. Fonofos has medicinal properties and has been studied as a potential anticancer agent due to its ability to inhibit tumor growth. In vitro studies have shown that Fonofos can inhibit the growth of human cancer cells by inhibiting heparin-binding proteins. Additionally, it has been found to have inhibitory effects on several other enzymes involved in cancer development and progression. Although not approved for use in humans, Fonofos may hold promise as a therapeutic agent for the treatment of certain cancers.</p>

<p>Miproxifene is a potent anticancer drug that has been shown to induce apoptosis and inhibit cell cycle progression in human cancer cells. This drug has been extensively studied in Chinese hamster ovary (CHO) cells and has demonstrated significant activity against various types of cancer, including leukemia. Miproxifene acts as a protein inhibitor and has been found to be effective against several tumor cell lines. It is a promising medicinal compound for the treatment of cancer, with potential applications in both chemotherapy and radiation therapy. Miproxifene is excreted primarily through urine and is well-tolerated by patients. Its use as an anticancer agent holds great promise for the future of cancer treatment.</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>Please enquire for more information about Des(methylpiperazinyl) imatinib dimer piperazinium chloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</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>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>(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>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>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>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>Please enquire for more information about PBT Impurity 2 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-(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 Acrolein-d4 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(1-Ethyl-1-methylpropyl)benzene is an impurity of some drugs. It is a metabolite of the drug, and can be found in urine or blood samples as a result of its excretion from the body. (1-Ethyl-1-methylpropyl)benzene is used as an analytical standard for HPLC analysis. This chemical is not on the USP list of impurities, but it is listed on the pharmacopoeia. The CAS number for (1-Ethyl-1-methylpropyl)benzene is 1985-97-3.</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>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>

<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>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>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>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>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>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>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>