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-(Cyanomethyl)-N-methyl-1H-indole-5-methanesulfonamide is an analytical standard, used for HPLC analysis of impurities. It is also used as a reference in certain pharmacopoeia standards, such as the USP and EP. 3-(Cyanomethyl)-N-methyl-1H-indole-5-methanesulfonamide has a purity of 99% and can be found in the drug product Impurity Standard.</p>

<p>2-Demethoxy-4-methoxy urapidil is a drug product that is used in the development of new drugs. It is a synthetic compound that is metabolized to form its natural metabolite, 2-demethoxyurapidil. This impurity standard has been shown to have anti-inflammatory effects and can be used as an API impurity for pharmacopoeia. 2DMO4MU has been shown to be useful in the study of metabolism and has been found to inhibit prostaglandin synthesis.</p>

<p>Pirtenidine is a potent and selective kinase inhibitor that has been shown to inhibit the activity of cyclin-dependent kinases. It has demonstrated promising results in preclinical studies as an anticancer agent, inducing apoptosis in cancer cells. Pirtenidine is an analog of protein kinase inhibitors, which have been used to treat various types of tumors. It has been found to be effective against human cancer cell lines and has shown significant tumor growth inhibition in animal models. Pirtenidine has also been reported to be a potent urine inhibitor of Chinese hamster ovary cells, making it a promising candidate for the treatment of urinary tract cancers.</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>Please enquire for more information about 1,5-Bis(4-amidinophenoxy)-2-pentanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</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>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>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>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>Trans-haloperidol N-oxide is a pyridinium salt that has been used in the synthesis of other compounds. It is an intermediate in the formation of the anion, which arises due to hydrolysis of haloperidol. The anion can be converted to an n-oxide by treatment with hydrogen peroxide and acetic acid. Trans-haloperidol N-oxide can also be prepared by chromatography or kinetic studies. The analytical techniques employed include high performance liquid chromatography (HPLC) and gas chromatography/mass spectrometry (GC/MS).</p>

<p>Varioxepine A is a research and development drug that has been proven to be a high purity, pharmacopoeia grade, custom synthesis, and synthetic. It is being developed as an impurity standard for analytical purposes. Varioxepine A has been shown to be metabolized through two pathways: N-demethylation and hydroxylation. The metabolites of this compound have not been fully characterized.</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 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>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>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>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>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>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>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>(-)-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>