APIs for research and impurities

<p>2,2',3,3'-Tetrachlorobiphenyl is an inhibitor that has been shown to have anticancer properties. It inhibits the growth of tumor cells by blocking the activity of protein kinases, which are enzymes that regulate cell division and proliferation. This compound has been tested in Chinese hamster ovary cells and has been found to induce apoptosis in cancer cells. Additionally, 2,2',3,3'-Tetrachlorobiphenyl has analog inhibitors that have been tested in human urine samples and have shown potential as anticancer agents. These analogs inhibit cyclin-dependent kinases (CDKs), which play a crucial role in regulating the cell cycle. The inhibition of CDKs leads to the suppression of cancer cell growth and division, making this compound a promising candidate for future cancer treatments.</p>

<p>7 S-Cefdinir is an oral cephalosporin antibiotic that binds to penicillin-binding proteins in the bacterial cell wall by competitive inhibition. This binding prevents the formation of an antibiotic-inhibitor complex with transpeptidase and transpeptidase, which are enzymes involved in peptidoglycan synthesis. 7 S-Cefdinir also inhibits pentapeptide cross-linking, which is necessary for the formation of peptidoglycan chains. 7 S-Cefdinir has bactericidal activity against a wide range of bacteria and acts as an antibacterial agent. It is active against erythromycin-resistant strains of Streptococcus pneumoniae and Mycoplasma pneumoniae, but not against methicillin-resistant Staphylococcus aureus (MRSA).</p>

<p>Please enquire for more information about (+)-Papaveroxinoline acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Riboflavin 4',5'-diphosphate is a yellow crystalline powder that is soluble in water and has a molecular weight of 238.1. It is used as an analytical standard, Research and Development (R&amp;D) and Drug development (DD) impurity in HPLC, as well as an impurity standard for pharmacopoeia. Riboflavin 4',5'-diphosphate can also be used to synthesize riboflavin 5'-phosphate, which is a metabolite of riboflavin. Riboflavin 4',5'-diphosphate exhibits high purity with no detectable amounts of impurities or degradation products.</p>

<p>Please enquire for more information about 5-Nitro-2-(pyridin-4-yl)-2,3-dihydro-1H-isoindole-1,3-dione including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester is an analytical standard for metabolite identification and quantitation in human urine. It is a natural product, API impurity, or synthetic. This compound is used as a drug development tool to study metabolism studies and may be used as a custom synthesis or impurity standard. 4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester may be used in HPLC analysis to produce high purity and pharmacopoeia standards.</p>

<p>Sydowinin B is a metabolite of the drug product, Sydowinin. It is an impurity in the API that can be generated during the synthesis of Sydowinin. Sydowinin B is intentionally created as a standard for HPLC analysis and as a reference material for other research and development studies. The purity of this compound is greater than 99% with less than 0.5% water content, making it suitable for use as a pharmacopoeia grade reagent.</p>

<p>(-)-Tianeptine monosodium salt is a potent inhibitor of kinase activity that has shown anticancer properties in human urine. It has been found to inhibit the growth of cancer cells by inducing apoptosis, which is programmed cell death. (-)-Tianeptine monosodium salt also inhibits the activity of kinases, which are enzymes that regulate various cellular processes such as protein synthesis and cell division. This compound has been studied extensively for its potential use as an anticancer drug and has shown promising results in Chinese hamster ovary cells. In addition, it has been found to be a potent inhibitor of D-xylose kinase, which may have implications for the treatment of certain metabolic disorders. Overall, (-)-Tianeptine monosodium salt shows great potential as an effective inhibitor of cancer cell growth and other diseases related to kinase activity.</p>

<p>Mirtazapine N-oxide is an antidepressant agent that is metabolized to mirtazapine. Mirtazapine N-oxide has been shown to have a linear response in the detection of serotonin in urine samples and has been used for pharmacokinetic studies, optimization, and clinical use. The enantiomer of mirtazapine N-oxide has been shown to be more potent than the racemic mixture. The drug is excreted unchanged into the urine with a half-life of 2 hours. Mirtazapine N-oxide can be detected in plasma for up to 24 hours after oral administration and may accumulate in certain tissues such as liver or kidney. This drug has also been shown to cause death in mice at very high doses.</p>

<p>Fluocortolone Impurity 4 is a drug product that is custom synthesized to meet the high purity requirement of analytical standards. This research and development grade standard is used in metabolism studies, as well as pharmacopoeia. Fluocortolone Impurity 4 is a natural metabolite of fluocortolone and has been shown to inhibit the growth of bacteria by disrupting protein synthesis. It can be found in the urine, feces, and plasma of humans. Fluocortolone Impurity 4 has been shown to have anti-inflammatory effects and may be an effective treatment for arthritis.</p>

<p>4-Chloro-2-(iminophenylmethyl)-N-methylbenzenamine is a potent inhibitor of protein kinases that are involved in the regulation of cell cycle progression and apoptosis. It is an analog of a Chinese medicinal compound that has been shown to have anticancer properties. This compound inhibits the growth of tumor cells and induces apoptosis in human cancer cells. In addition, it has been found in urine samples from cancer patients, suggesting that it may have potential as a diagnostic tool for cancer detection. The inhibition of protein kinase activity by this compound could lead to the development of novel anticancer therapies.</p>

<p>Ceftazidime t-butyl ester is a prodrug of ceftazidime. It is a crystalline, stable form of the drug that can be dissolved in an organic solvent. Ceftazidime t-butyl ester has an average UV detection wavelength with a linear range of 200-600 nm and can be detected at a wavelength of 220 nm. This drug is used to treat infections caused by bacteria, including those that are resistant to other antibiotics, such as penicillin or ampicillin. Ceftazidime t-butyl ester has been shown to be effective against methicillin-resistant Staphylococcus aureus (MRSA) and Clostridium perfringens, although is not active against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex.</p>

<p>(2R)-3-Hydroxyisovaleroyl-d3 carnitine is a drug product that is custom synthesized for research and development. It has a purity of &gt;90%. This product can be used in metabolism studies, natural products, drug development, pharmacopoeia, or as an analytical reference standard. The CAS number for this product is 1058636-00-2. (2R)-3-Hydroxyisovaleroyl-d3 carnitine may also contain impurities of 0.05%. The molecular weight for this compound is 266.37 g/mol and the chemical formula is C5H11NO4.</p>

<p>4-Methyl-2,4-bis(4-hydroxyphenyl)pent-1-ene is a synthetic intermediate for use in the preparation of an HPLC standard. It is also used as a natural product and an analytical reference material. The CAS Number for this substance is 13464-24-9, and it is classified as an impurity in API preparations. 4-Methyl-2,4-bis(4-hydroxyphenyl)pent-1-ene is metabolized by cytochrome P450 enzymes to form 2,6,10,14,-tetramethylpentadecane. This compound has been found to have antiinflammatory activity.</p>

<p>Please enquire for more information about Lovastatin impurity F [ep] including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Ciprofibrate methyl ester is an analytical standard that can be used for the detection of impurities in drug products. It is a metabolite of Ciprofibrate and is used as a reference material for HPLC. The impurity standards are available in high purity or with different levels of purity, depending on the application. In addition, it can be custom synthesized to meet specific needs. This product has been tested according to the requirements of the USP-NF and has been found to meet these requirements.</p>

<p>(S)-4-(2-Methylpropyl)-2-pyrrolidinone is a lactam that has been synthesized in the laboratory. It is an organic solvent that is used in the synthesis of other compounds. The compound has a potential for producing impurities, such as isopropyl and phosphite, during synthesis. (S)-4-(2-Methylpropyl)-2-pyrrolidinone can be synthesized by reacting 2-methylpropionic acid with one equivalent of methylamine. This reaction takes place in an organic solvent and requires kinetic control to avoid side reactions.</p>

<p>Cis-Tadalafil is a potent inhibitor of phosphodiesterase 5, which is used to treat erectile dysfunction (ED) and primary pulmonary hypertension (PPH). It works by increasing blood flow to the penis, allowing men with ED to achieve and maintain an erection. Cis-Tadalafil is also used to treat symptoms of prostatic hyperplasia (enlarged prostate) in men. This drug has been shown to be effective in treating PPH by reducing pulmonary arterial pressure and improving exercise capacity. Cis-Tadalafil belongs to the carboline class of drugs and is a phosphodiesterase 5 inhibitor that selectively inhibits cGMP-specific phosphodiesterase type 5 (PDE5). This drug has been shown to be highly effective in treating both ED and PPH with minimal side effects.</p>

<p>nicotinic acetylcholine receptor antagonist</p>

<p>Applications epi-Glycochenodeoxycholic Acid Sodium Salt-d7 is a labelled epimer analogue of Glycochenodeoxycholic Acid Sodium Salt (G641255), which is a bile salt formed in the liver from chenodeoxycholate and glycine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is a cholagogue and choleretic.<br>References Ollila, F., et al.: Langmuir, 17, 7107 (2001); Uekama, K., et al.: Chem. Pharm. Bull., 52, 900 (2004); Tongiani, S., et al.: J. Pharm. Sci., 94, 2380 (2005);<br></p>

<p>Applications 3,5-Diiodo-4’-O-methyl Thyroacetic Acid Ethyl Ester is a derivative of 3,5-Diiodo Thyroacetic Acid (D455140), the acetic acid analog of Thyroxine (T425601). It is a reactant in the preparation of bifunctional thyrointegrin inhibitors, thyroxine (T425601) and triiodothyronine (T795380).<br>References Bridoux, A. et al.: J. Enz. Inh. Med. Chem., 26, 871 (2011); Wilkinson, J.: Biochem. J., 63, 601 (1956); Wilkinson, J.: Chem. Ind., 1352 (1955)<br></p>

<p>Ivermectin Impurity K is an impurity in Ivermectin, a drug product. It is a natural substance that is synthesized by the metabolism of avermectins, or it can be obtained from fermentation. It has been shown to have anti-inflammatory properties in mice and rats. Ivermectin Impurity K is a metabolite of Ivermectin, which is an antiparasitic drug used to treat parasitic infections of the skin and lungs caused by roundworms and other parasites. This impurity has been shown to have anti-inflammatory properties in mice and rats.</p>

<p>(S)-Rabeprazole sodium is an anticancer drug that acts as a kinase inhibitor. It is an analog of Rabeprazole and has been shown to inhibit the growth of cancer cells in vitro and in vivo. (S)-Rabeprazole sodium inhibits the activity of kinases, which are enzymes that play a key role in cell signaling pathways. This inhibition leads to apoptosis, or programmed cell death, in cancer cells. (S)-Rabeprazole sodium has been tested against various types of cancer, including Chinese hamster ovary cells and tumor xenografts in mice. It has also been shown to inhibit elastin degradation, which is important for preventing metastasis of cancer cells. (S)-Rabeprazole sodium may be a promising candidate for the development of new anticancer drugs that target specific kinases and proteins involved in cancer cell growth and survival.</p>

<p>Terbinafine is a drug used in the treatment of onychomycosis, tinea versicolor and dandruff. It belongs to the group of medicines known as antifungals and inhibits the growth of fungi by inhibiting their ability to make proteins. Terbinafine dihydrochloride is a form of terbinafine that is more soluble in water than terbinafine hydrochloride and can be used as a lubricant. Terbinafine hydrochloride is an industrial product that is used as a disintegrant in tablets and capsules.</p>

<p>Diflorasone 17-propionate is a synthetic corticosteroid with the chemical name of 9,11-difluoro-17-hydroxy-16-methylpregna-1,4,9(11)-trienoic acid 17-propionate. It is an impurity standard in the manufacture of diflucortolone acetate. Diflorasone 17-propionate is used in drug development and analytical studies for its high purity and pharmacopoeia quality. Its metabolite profile has been investigated using HPLC with UV detection. Metabolism studies have been conducted to determine the metabolic pathway of diflorasone 17-propionate in humans.</p>

<p>1-Fluoronaphthalene is a polyunsaturated compound that is used in analytical chemistry for the determination of test samples. It is an inhibitor of the enzyme IDO1, which plays an important role in the regulation of immune function, and has been shown to have anti-inflammatory properties. 1-Fluoronaphthalene can be synthesized by reacting n-dimethyl formamide with hydrogen fluoride and then adding a diazonium salt and hydrochloric acid. The UV absorption spectrum of 1-fluoronaphthalene displays a maximum at 248 nm. This compound binds to cation channels on cells, causing hyperpolarization.</p>

<p>Please enquire for more information about Vildagliptin carboxylic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>D-Ile(23)-Semaglutide trifluoroacetate is a semaglutide impurity. The amino acid at position 23 has been replaced by the D-form of the amino acid D-isoleucine (D-Ile). Semaglutide impurities are structurally related compounds that arise during synthesis, purification, or storage of semaglutide, a long-acting GLP-1 receptor agonist for managing type 2 diabetes and obesity.</p>

<p>N-Desacetyl thiocolchicoside is a white crystalline powder that is soluble in water, methanol and acetone. It has a molecular weight of 320.2 and an empirical formula of C6H14O5. N-Desacetyl thiocolchicoside is used as an analytical standard for HPLC analysis, as a Research and Development (R&amp;D) material for drug development, and as an impurity standard for the manufacture of pharmaceutical products. This compound has been shown to be a metabolite of thiocolchicoside and structurally similar to the drug product chitinase.</p>

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

<p>3,8-Dihydroxy-1-methylanthraquinone-2-carboxylic acid is a potent protein kinase inhibitor with anticancer properties. It is an analog of emodin, a natural compound found in Chinese medicinal herbs. This compound has been shown to inhibit the growth of cancer cells and induce apoptosis through the inhibition of various kinases. Its potential as an anticancer drug has been demonstrated in vitro and in vivo studies, where it has shown to reduce tumor size and metastasis. This compound has also been detected in human urine, suggesting that it may have potential as a diagnostic marker for cancer. The discovery of 3,8-Dihydroxy-1-methylanthraquinone-2-carboxylic acid may lead to the development of new inhibitors for various kinases and improve cancer treatment options.</p>

<p>Descarboxyl febuxostat is a synthetic drug that is metabolized to its active form, febuxostat. This drug product has been custom synthesized and is of high purity. Descarboxyl febuxostat has been used in the development of drugs for hypertension, hypercholesterolemia, and gout. It has also been used as a research tool for studying the metabolism of drugs in humans.</p>

<p>Please enquire for more information about ethyl 6-(4-aMinophenyl)-1-(4-Methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Vildagliptin related compound F (VRCF) is a drug product that has been custom synthesized. VRCF is a high purity, analytical standard. It is metabolized in the body and can be used as a research and development standard to study the metabolism of vildagliptin. VRCF is a natural metabolite that has been identified as an impurity in the drug product Vildagliptin. VRCF has not been recognized by the USP or EP for use as an impurity standard. CAS no: 1789703-36-1</p>

<p>Please enquire for more information about P,P′-[1-Hydroxy-3-(pentylamino)propylidene]bis[phosphonic acid] including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(R,R)-Montelukast bis-sulfide is a drug product that is used in the analytical and research and development of drugs. It is also used as an impurity standard for HPLC. (R,R)-Montelukast bis-sulfide has been shown to have niche applications in drug development and research, as well as being a high purity API.</p>

<p>6-Pterinyl folic acid is a chemical reagent that is used in the synthesis of pteridine derivatives. It is also used to prepare sulfates and esters of folic acid. 6-Pterinyl folic acid can be synthesized by reacting glutamic anhydride with trifluoroacetic acid and dimethylformamide. It reacts with sulfate ions to produce 6-pterinyl sulfate, which can then be hydrolyzed to release 6-pterinyl folic acid. The reagent can be used in the manufacture of fluoroquinolones, antibiotics that are used to treat a variety of bacterial infections including tuberculosis.</p>

<p>7-Epi 10-desacetyl paclitaxel is a prodrug of paclitaxel. It has a similar mechanism of action to paclitaxel, and is used as a chemotherapeutic agent for the treatment of cancer. 7-Epi 10-desacetyl paclitaxel has shown potent apoptotic activity in cell culture, as well as in animal models. This drug is prepared by high performance liquid chromatography and is used to treat cancer. The drug may also be activated by an enzyme called adenosine diphosphate ribose (ADPR), which forms from ATP during cellular metabolism. 7-Epi 10-desacetyl paclitaxel may also have anticancer effects on cervical cancer cells due to its ability to inhibit the synthesis of DNA and RNA.</p>

<p>This is a drug product that has been developed for use in HPLC as a standard. It is a natural substance and is custom synthesized to meet the specific needs of research and development. It is an impurity standard that can be used for analytical purposes or pharmacopoeia, as well as metabolism studies. This compound is also available in high purity and at niche quantities to meet the needs of researchers who require it.</p>

<p>Ivermectin EP Impurity J is a custom synthesis that has been designed for pharmacological research and development. It is a highly pure, synthetic compound that can be used as a drug product or in the synthesis of other drugs. Impurity J is not found in nature, but can be synthesized from natural materials. Ivermectin EP Impurity J is a metabolite of ivermectin, which is produced by the metabolism of avermectins. The impurity standard for this compound is set by the pharmacopoeia and it must comply with analytical standards to ensure purity.</p>

<p>Cinacalcet Impurity B HCl is an analytical standard that can be used in HPLC as a reference compound. It is also a metabolite of Cinacalcet and has been shown to have affinity for calcium channels. This impurity is found in Cinacalcet at a concentration of less than 1%.</p>

<p>3Beta-Hydroxy pravastatin lactone is a synthetic compound that is the primary metabolite of pravastatin. It has been shown to decrease cholesterol levels in the blood and to be an analytical standard for HPLC. 3Beta-Hydroxy pravastatin lactone has also been shown to have anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis.</p>

<p>2-(2-Amino-5-bromobenzoyl)pyridine (2ABBP) is a chemical compound with the molecular formula C10H7BrN3. It is a glucuronide conjugate of 2-amino-5-bromobenzoic acid and has been used as an immunological reagent in the form of a monoclonal antibody. 2ABBP binds to dryopteris, which is a plant species that contains polyphenols called pteridines. 2ABBP has been shown to have anti-inflammatory properties in rat liver microsomes and cell culture experiments. The mechanism of action may involve inhibition of cyclooxygenase enzymes, which are involved in prostaglandin synthesis. 2ABBP also binds to human serum albumin and chaperones, proteins that bind other proteins or small molecules. The biological activity of 2ABBP may be due to its ability to form coval</p>

<p>Mitoxantrone is an anticancer drug that is used to treat various types of cancer. Mitoxantrone is a prodrug, which means it needs to be metabolized by the body to become active. The main metabolic pathway for mitoxantrone involves hydrolysis of the 2-hydroxyethyl piperazine impurity and formation of N-desmethylmitoxantrone, which is a metabolite that has been found to be more potent than the parent compound in inhibiting DNA synthesis. This impurity standard is used as a reference substance for quality control purposes during drug development. Mitoxantrone can also be synthesized with high purity and custom synthesis services are available upon request.</p>

<p>Clarithromycin EP Impurity A is an analytical standard for clarithromycin. Clarithromycin EP Impurity A is a white to off-white powder that is soluble in methanol, acetone, and chloroform. It has a molecular weight of 459.23 Da and the chemical formula C18H26N2O5S. Clarithromycin EP Impurity A is an impurity found in clarithromycin that has been isolated from the product by high-performance liquid chromatography (HPLC) and confirmed by nuclear magnetic resonance spectroscopy (NMR). Clarithromycin EP Impurity A can be used as a reference standard for pharmacopoeia testing or as a research and development sample for drug development. It can also be synthesized from natural or synthetic sources.</p>

<p>Sacubitril Impurity 2 is a drug product that is an analytical impurity in Sacubitril. This impurity can be found in Sacubitril as a result of natural processes or as an API impurity during the synthesis process. Sacubitril Impurity 2 has been shown to have activity in Metabolism studies, Natural, and Custom synthesis. It has been shown to be a Synthetic impurity standard and HPLC standard. Sacubitril Impurity 2 is used for research and development purposes for the drug development industry, specifically for the niche market. It is also used as an analytical standard for pharmacopoeia methods.</p>

<p>Atorvastatin lactam phenanthrene calcium salt impurity is a high purity, custom synthesis drug product. It is a metabolite of atorvastatin and was identified using metabolism studies in rat and human liver microsomes. This impurity has been shown to be an analytical standard for HPLC. Atorvastatin lactam phenanthrene calcium salt impurity is used in niche research and development, as well as the development of drugs that are pharmacopoeia grade.</p>

<p>Chlorthalidone is a drug product that contains the impurity J. Chlorthalidone is an antihypertensive drug that belongs to the class of thiazides. It is used in the treatment of hypertension, congestive heart failure, and edema. Chlorthalidone is metabolized by the liver and eliminated through urine; it has been shown to be excreted unchanged in urine as well as in bile. The impurity J can be found in human urine, which may be due to metabolism by microorganisms or renal clearance.</p>

<p>(3R,4S)-Tofacitinib is a synthetic compound that is being researched for the treatment of rheumatoid arthritis. It is a potent inhibitor of Janus Kinase 3 (JAK3) and Janus Kinase 1 (JAK1), which are important enzymes in cytokine signaling pathways that play a role in inflammation. (3R,4S)-Tofacitinib is metabolized to an impurity standard for the drug product. The metabolite has not been characterized and its concentration cannot be determined from analytical data.</p>

<p>The objective of this project is to design a microcontroller-based system that can monitor and diagnose the level of damage in a composite material. The system will consist of an array of sensors, actuators, and microcontrollers that are connected by a wireless network. The sensors will measure the levels of damage at each point within the composite material. The actuators will provide feedback to the sensors, adjusting their frequency and amplitude based on the level of damage detected. Microcontrollers will be responsible for analyzing data from the sensors and diagnosing any faults in the system. A miniaturized dry skin patch could be used as an alternative to traditional wet skin tests for monitoring skin health.</p>

<p>1-Oxo mirtazapine is a metabolite of mirtazapine. It is a synthetic compound and is not found in nature. This product is a research and development impurity standard for the preparation of drug product, which has been synthesized to be highly pure. The material is used for drug development, including pharmacopoeia requirements for analytical studies and metabolism studies. 1-Oxo mirtazapine has been shown to have niche applications in pharmacopoeia and as an HPLC standard.</p>

<p>Please enquire for more information about Rosuvastatin (3R,5R) isomer calcium including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>N-Nitroso dorzolamide is a chemical compound used as an intermediate in the synthesis of dorzolamide, a carbonic anhydrase inhibitor used in the treatment of glaucoma and ocular hypertension.</p>

<p>Dehydro simvastatin is a high-yielding, efficient, and selective synthesis of simvastatin. It is prepared from the commercially available (2S)-2-[(1E,3R)-3-hydroxybut-1-enyl]oxirane using a three-component reaction with chlorotrimethylsilane and sodium chloride to yield the desired product in good yields. The reaction can be performed in a variety of solvents including dichloromethane, chloroform, tetrahydrofuran, or methanol. Dehydro simvastatin has been used for pharmaceutical formulations as an active ingredient of HMG CoA reductase inhibitors. It also has been shown to have anti-inflammatory properties by inhibiting prostaglandin synthesis.</p>

<p>(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid methyl ester is a synthetic molecule that is used as an analytical standard for HPLC. It is also used in the research and development of drugs. This compound has been shown to be an impurity in drug products and a metabolite of many compounds. (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4]-b]indole carboxylic acid methyl ester has a molecular weight of 372.64 grams per mole and the</p>

<p>Ezetimibe ketone is a lipid-lowering agent that inhibits cholesterol absorption through the inhibition of Niemann-Pick C1-like 1 (NPC1L1). Ezetimibe ketone is used to reduce the levels of low-density lipoprotein cholesterol (LDL-C) in patients with primary hypercholesterolemia, sitosterolemia, and familial combined hyperlipidemia. Ezetimibe ketone has been shown to be bioequivalent to ezetimibe, which is an oral drug that inhibits cholesterol absorption by blocking NPC1L1. The drug binds to the NPC1L1 receptor in the brush border membrane of enterocytes and prevents cholesterol uptake. Ezetimibe ketone has a high solubility in organic solvents such as dichloromethane or chloroform. It also has a high melting point, which makes it suitable for use on chromatographic columns.</p>

<p>N-Hydroxymethyl Sumatriptan is an analytical standard and a research and development impurity. It is also used as an API impurity in drug product manufacturing. N-Hydroxymethyl Sumatriptan can be synthesized by reacting the parent drug with hydroxyl radicals, which is a process that yields no side products. N-Hydroxymethyl Sumatriptan can be found in the following pharmacopoeia: United States Pharmacopoeia (USP) 11&gt;, European Pharmacopoeia (EP), Japanese Pharmacopoeia (JP)13&gt;, British Pharmacopoeia (BP), and Chinese Pharmacopiae (CPC).</p>

<p>Amoxicillin EP Impurity D is a metabolite of amoxicillin that is generated through the metabolism of the drug by enzymes in the body. It is excreted in urine and can be detected using enzyme activities in urine samples. Amoxicillin-clavulanic acid, a combination preparation containing amoxicillin and clavulanic acid, has been shown to have high levels of resistance to infectious diseases. Wastewater treatment plants that are not equipped with ionotropic gelation systems may release this substance into the environment, which may lead to antimicrobial resistance. Amoxicillin EP Impurity D is also used as a pharmacological agent for treating bacterial infections and may be combined with other antibiotics or absorption enhancers to increase its effectiveness.</p>

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

<p>Tigecycline tricyclic is a research and development (R&amp;D) compound that belongs to the class of tetracyclines. It is an analytical reference standard for HPLC, used to calibrate the instrument by quantifying impurities in drug product. Tigecycline tricyclic is also used as a pharmacopoeia reference standard for impurities in drug products. Tigecycline tricyclic is not intended for use in therapeutic applications or as a drug product, but rather as an analytical reference standard and impurity standard.</p>

<p>2'-Hydroxy-3-phenylpropiophenone is a nucleophile that is hydrogenated to form 2'-hydroxy-3-phenylpropionic acid. It is used as a precursor for the synthesis of chalcones, which are biotransformed by microorganisms to form enantiomers and dihydrochalcones. This substance also has pharmacological activity and multidrug resistance. It is used as a sweetener in foods and beverages.</p>

<p>Empagliflozin S-furanose is a Custom synthesis drug product. It is an analytical standard with CAS No. 1620758-32-8, and it is used in research and development of new drugs. Empagliflozin S-furanose has been found to be a metabolite of empagliflozin, a drug that is used to treat type 2 diabetes mellitus. It is also used as an impurity standard for HPLC analysis of empagliflozin because it does not have any biological activity.</p>

<p>Methyl 2-deoxy-D-ribopyranoside (2DDR) is a natural compound that can be found as an impurity in some pharmaceuticals. The chemical structure of 2DDR is similar to 6-fluoro-3-indoxyl beta-D-galactopyranoside, which is used to treat tuberculosis. The metabolism of 2DDR has been studied, and it has been found that this metabolite is excreted in the urine unchanged or conjugated with glucuronic acid. This product can be used for drug development and research and development. It can also be used as an impurity standard for HPLC analysis or as a custom synthesis for niche applications.</p>

<p>Atorvastatin is a drug product with an impurity of atorvastatin cyclic sodium salt (isopropyl). The synthesis of this compound can be found in the natural and synthetic routes. Impurity standard is used to identify impurities in drugs and is necessary for pharmacopoeia, research and development, and analytical work. This compound has been shown to have high purity, analytical, metabolism studies, natural, drug development, and pharmacopoeia. CAS No. 1316291-19-6 is the impurity standard for this compound.</p>

<p>Gemcitabine metabolite</p>

<p>N-(2-Carboxy-2-hydroxycaproyl)hydrazobenzene is a synthetic drug product, impurity standard and metabolite of the drug clindamycin. It is a compound that can be used as an analytical reference material or as a pharmacopoeia standard. This compound has not been chemically characterized and is not intended for any specific therapeutic use. N-(2-Carboxy-2-hydroxycaproyl)hydrazobenzene produces metabolites in vivo in humans, including hydroxyclindamycin.</p>

<p>Emtricitabine (FTC) is a synthetic nucleoside analog that is approved for the treatment of HIV infection. FTC is metabolized in the liver by cytochrome P450 enzymes into two metabolites, EMTR-diol and EMTR-triol. The pharmacopoeia defines impurity standards for both metabolites. FTC also causes metabolism studies to be conducted to determine its effect on other drugs such as cyclosporin and phenytoin. EMTR-diol: CAS No. 1238210-10-0 EMTR-triol: CAS No. 1238210-11-1</p>

<p>Sar-[D-Phe8]-des-Arg9-bradykinin is a selective Bradykinin B1 receptor agonist that exhibits resistance to aminopeptidase cleavage. This peptide plays a crucial role in various physiological processes, including inflammation, pain perception, and angiogenesis. Sar-[D-Phe8]-des-Arg9-bradykinin has been shown to have potent hypotensive effects and can stimulate the release of prostaglandins and nitric oxide. It is resistant to endopeptidase cleavage, making it an ideal candidate for therapeutic applications. Additionally, this peptide has been found to possess antibacterial properties against certain bacteria strains. Sar-[D-Phe8]-des-Arg9-bradykinin is available in pure form with minimal impurities, ensuring its efficacy and safety for use in research and medical applications.</p>

<p>Acarbose Impurity E is an impurity found in acarbose. It is a natural, API impurity and is a synthetic impurity standard. Acarbose Impurity E has been used in drug development research and development, as well as in the HPLC analysis of acarbose to generate a pharmacopoeia-grade purity standard.</p>

<p>Aztreonam Impurity F is an impurity of the drug aztreonam. It is a crystalline substance that was found in the filtrate of an industrial process for the production of aztreonam. This impurity has been found to have low efficiency as a medicine and has been shown to be hydrolyzed by hydrochloric acid. The industrial process for the production of this impurity has a low yield, due to its low efficiency, which limits its use in large-scale manufacturing processes.</p>

<p>PSI 7976 is an analog of the nucleophilic attack drug, ribavirin. PSI 7976 inhibits the hepatitis C virus (HCV) replicon by inhibiting the function of the NS5B polymerase. In clinical studies, PSI 7976 has been shown to be active against HCV genotype 1 and 3. It has also been shown to inhibit replication of HIV-1 in vitro and to act synergistically with lamivudine against HIV-1 in human cells. PSI 7976 may be useful as a potential antiviral agent for treatment of other viral infections such as hepatitis B virus (HBV), herpes simplex virus type 2 (HSV-2), or cytomegalovirus (CMV).</p>

<p>Ciprofloxacin ep impurity C is a synthetic compound. It is used as a research and development standard in the synthesis of ciprofloxacin. The purity of this compound is high, and it has been tested for metabolism studies. This impurity can be detected by HPLC using an analytical method with a natural reference substance. This impurity has not been evaluated for pharmacopoeia or CAS number.</p>

<p>Orlistat is a lipase inhibitor that is used as a weight-loss drug. It works by inhibiting the absorption of dietary fats and their subsequent conversion into triglycerides in the intestines, thereby limiting the calories absorbed. Orlistat has been shown to be effective in lymphatic and fatty acid transport, but oral bioavailability is low due to extensive first-pass metabolism. Orlistat inhibits pancreatic lipase, which may lead to reduced intestinal fat absorption and decreased systemic exposure. This drug also inhibits long-chain fatty acids from being absorbed through the intestinal wall and prevents them from being metabolized, thereby reducing lipid formulations in the blood.</p>

<p>Vildagliptin Related Compound 2 is a synthetic compound that has been shown to be an inhibitor of DPP-4. It is a white solid that can be synthesized by condensation of vildagliptin with chloroacetyl chloride in the presence of an alkali. The compound was found to have impurities, including 1-(2-chlorophenyl)ethanol and 3-chlorobenzaldehyde.</p>

<p>Apixaban Impurity 1 is an impurity found in Apixaban, a drug used for the prevention of stroke. It is produced by condensation of 2-aminopyridine and 3-hydroxybenzaldehyde in ethanol with sodium hydroxide as a catalyst. The reaction proceeds via amination of the pyridine ring followed by transesterification. The yield of this impurity is low at about 4%.</p>

<p>Please enquire for more information about 3-Trifluoroacetylamino linagliptin 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>Atorvastatin tert-butyl ester is an acid that is used to treat high cholesterol. It is a synthetic statin that inhibits the enzyme HMG-CoA reductase and blocks the production of cholesterol in the liver. This drug is administered orally, as a tablet or capsule, or in liquid form as a suspension. The drug has a bitter taste and evaporation may occur if it comes into contact with skin or clothes. Atorvastatin tert-butyl ester may be found in polymorphic forms (including dihydropyridine, dihydrospirocyclopentane, and dihydrobenzoquinoline). These forms are inactive, but can be activated by exposure to light or heat. These reactions produce an acidic compound that can react with other compounds to form new compounds.</p>

<p>FR 901464 is a cytotoxic compound that inhibits the activity of the mammalian splicing factor receptor (SFRS2), which is involved in the splicing process. The active form of FR 901464 binds to SFRS2 and prevents it from binding to other proteins, thereby inhibiting the formation of functional complexes. This leads to an increase in the production of proteins that are not targeted for degradation and a decrease in the production of proteins targeted for degradation. This drug also has anti-inflammatory properties by inhibiting epidermal growth factor (EGF) and its receptor, EGF-R. It also has antimicrobial effects against some bacteria by inhibiting bacterial growth factors such as amide or conjugates.</p>

<p>Dabigatran impurity E is a potent kinase inhibitor that has shown promising results in the field of cancer research. It is an analog of a Chinese medicinal herb that has been traditionally used to treat various ailments, including cancer. Dabigatran impurity E has been shown to induce apoptosis in human cancer cells by inhibiting the activity of specific kinases involved in cell replication and survival. This compound also exhibits anticancer properties by inhibiting the growth and proliferation of tumor cells. Additionally, Dabigatran impurity E has been found in urine samples from cancer patients, suggesting its potential as a biomarker for cancer diagnosis and monitoring. Overall, this compound holds great promise as a novel therapeutic agent for the treatment of various types of cancers.</p>

<p>N-Succinyl-L-tyrosine is a synthetic compound that is used as an impurity standard for the determination of the purity and quality of drug products. It is also used in research and development to study metabolism. N-Succinyl-L-tyrosine is a metabolite of tyrosine, which has been shown to be an important intermediate in the biosynthesis of some neurotransmitters and hormones. This product can be used in HPLC assays to provide a standard curve for quantification.</p>