APIs pour la recherche et les impuretés

<p>4-Carboxy-3-ethoxy)phenyl acetic acid (CPAE) is a fluorescent compound that has been shown to have antidiabetic and luminescence properties. It absorbs light at wavelengths of 340, 405, and 455 nm and emits light at 525 nm. It also absorbs UV light at 310 nm and emits fluorescence at 495 nm. CPAE is formed by the condensation of two molecules of 4-carboxybenzaldehyde with one molecule of ethyl 3-ethoxypropanoate in the presence of a base. The crystals are monoclinic, with space group P2/c and lattice constants a = 12.872(1) Å, b = 7.319(1) Å, c = 17.814(2) Å, β = 98.664(9)°, Z = 2. The molecular weight is 182.24 g/mol and its molecular</p>

<p>Please enquire for more information about 4-Acetyl-3,4-dihydro-2H-pyrido[3,2-b]oxazine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Ganciclovir mono-o-propionate is an analytical reference standard for HPLC analysis. It is also a drug development intermediate, an API impurity, and a metabolite of ganciclovir. Ganciclovir mono-o-propionate is a crystalline solid with a melting point of 119°C and a molecular weight of 312.5. This compound can be found in the USP/NF (2009) as an impurity in the ganciclovir product. Ganciclovir mono-o-propionate has been used by companies to synthesize ganciclovir or other analogues for research purposes. The natural form of this compound can be found in plants such as apple leaves and grape leaves, but it can also be synthesized from chloroacetic acid and propionic acid.</p>

<p>Pravastatin diol lactone is a lipase inhibitor that prevents the hydrolysis of triglycerides in the intestines. It also inhibits the synthesis of cholesterol by inhibiting hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Pravastatin diol lactone has been shown to be effective in reducing serum cholesterol levels in animal models and inhibiting esterification of cholesterol by preventing the conversion of HMG-CoA to mevalonic acid, which is an important step in the synthesis of cholesterol. Pravastatin diol lactone is a polyketide that was discovered from a fungus and chemically altered to produce this drug.</p>

<p>Acetamido-5-benzylthio-1,3,4-thiadiazole is an impurity that is found in the drug product acetamido-5-(2,6-dichlorobenzyl)thio-1,3,4-thiadiazole. It has been used as an analytical standard for HPLC and as a pharmacopoeia impurity standard. Acetamido-5-benzylthio-1,3,4-thiadiazole is also a metabolite of acetamido-5-(2,6 dichlorobenzyl)thio-1,3,4 thiadiazole. This compound has been detected in natural sources such as plants and animals. Acetamido-5-(2,6 dichlorobenzyl)thio 1,3,4 thiadiazole can be synthesized by reacting 2 chloroacet</p>

<p>2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one is a metabolite of the drug 2-[2-(4,5,-dihydroimidazo[1,2a]imidazol -2(3H)-yl)ethoxy]-N-(methylsulfonyl)benzamide. It can be used as an impurity standard for the manufacture of drugs and as a research chemical.</p>

<p>Benzylpenicillin diethylaminoethyl ester hydroiodide is a potent broad-spectrum antimicrobial agent that inhibits the growth of bacteria by inhibiting protein synthesis. It is used to treat microbial infections and has been shown to be effective against Streptococcus species, including Streptococcus pneumoniae, Streptococcus pyogenes, and Streptococcus viridans. Benzylpenicillin diethylaminoethyl ester hydroiodide binds to the 50S ribosome subunit of bacteria and prevents the formation of an antibiotic-inhibitor complex with the enzyme cell wall synthesis that is required for cell wall biosynthesis. This binding prevents protein synthesis and cell division.</p>

<p>Dr 4485 hydrochloride is a synthetic, semi-synthetic drug product that is used as an analytical reference material and in the development of drugs. Dr 4485 hydrochloride is also a metabolite of Dr 4485. The compound has been found to have natural origin from plants, but can also be synthetically made. It is not on the current USP/BP/EP monographs and does not have a CAS number. Dr 4485 hydrochloride has been shown to be metabolized through N-dealkylation, oxidation, and hydroxylation reactions. Dr 4485 hydrochloride may show various impurities that are related to the synthesis process or its metabolism. This compound has been studied for its ability to affect the growth of cancer cells via inhibition of protein synthesis by binding to ribosomes in the cytoplasmic membrane of cancer cells.</p>

<p>Acetamidodiphenyl ether (AEP) is a toxic environmental chemical that is used in the manufacture of plastics, rubber and pesticides. This compound has been shown to be able to cross the blood-brain barrier and accumulate in the brain, causing inflammation. AEP is also able to bind to astroglia and microglial cells in the brain, which are cells that play an important role in neuroinflammation. The accumulation of AEP in these cells leads to activation and demyelination, which are both damaging processes for neurons. Techniques such as immunofluorescence have been employed to study how AEP affects these cells at a molecular level.</p>

<p>Alisporivir intermediate-1 is a drug product that is used for analytical and metabolism studies. It is a natural API impurity of Metabolism studies, CAS No. 882506-05-0, and has an Impurity standard of Synthetic. Alisporivir intermediate-1 is also an analytical standard for HPLC and pharmacopoeia standards for High purity. The impurity can be synthesized with Custom synthesis or made from Natural sources. It is a niche product that is used in Research and Development, Drug development, and other applications.</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>O-Acetyl silodosin is a synthetic, natural metabolite of silodosin. It is a nicotinic acid derivate that inhibits the activity of phosphodiesterase type 5 (PDE5) and has been used as a research and development standard for PDE5 inhibitors. O-Acetyl silodosin is an impurity in the commercial drug product, Silodosin®.</p>

<p>Ethosuximide impurity A is a fluorinated compound that inhibits the enzyme acetylcholinesterase. It has been shown to inhibit the catalytic mechanism of acetylcholinesterase, which leads to its inhibitory effect on the enzyme. The compound does not have any structural similarity to the other known inhibitors of this enzyme. Ethosuximide impurity A has been shown to be an antimutagen and anticarcinogen in vitro, with a postulated mechanism of action that involves inhibition of a water molecule from binding to the active site.</p>

<p>Aliskiren is a drug that is used for the treatment of hypertension. It is not active orally and must be given by injection or intravenously. Aliskiren is an impurity in the synthesis of aliskiren carboxylic acid, which can be found in the chemical catalogues. Aliskiren carboxylic acid is an analytical standard with high purity and can be used as an impurity standard for HPLC analysis. The CAS number for Aliskiren carboxylic acid is 173400-13-0. Aliskiren Carboxylic Acid can also serve as a metabolite or pharmacopoeia reference material, if needed.</p>

<p>Rapamycin is a natural product from Streptomyces hygroscopicus. It has been shown to inhibit T- and B-lymphocyte proliferation, induce apoptosis of lymphocytes, and suppress both humoral and cell-mediated immune responses. Rapamycin is also an immunosuppressant that decreases the incidence of rejection in organ transplant patients.<br>Rapamycin is used as a drug product in the form of a sterile solution for injection. The purity of rapamycin should be at least 99%, with less than 1% impurities, such as 42-O-tert-butyldimethylsilyloxyethyl rapamycin (TBDMS). Rapamycin is not currently available on the market as an API, but it may be custom synthesized for research purposes or for clinical trials.</p>

<p>The major (R,S)-equol-d4 is a metabolite of the soy isoflavone daidzein. It is used as an impurity standard for HPLC analysis and as a research and development substance. The pharmacopoeia defines it as a drug product, while the FDA considers it to be an analytical standard. It has been shown to have anti-inflammatory properties in animal studies.</p>

<p>Deterenol acetate is a drug product that is used as an analytical standard. It has been shown to be a natural metabolite of the synthetic drug deterenoic acid, which is an impurity in API preparations of the drug. Deterenol acetate has been shown to have anti-inflammatory effects and may be useful for treating cardiovascular disease, cancer, and arthritis. Deterenol acetate has also been shown to have potential as a treatment for high blood pressure.</p>

<p>Desgadolinium gadoteridol is a contrast agent that is used in magnetic resonance imaging (MRI). It is a gadolinium-based contrast agent that contains an ester linkage. The chelate complex of gadolinium with desgadolinium has been shown to have high water permeability and target tissue affinity, as well as low toxicity. Desgadolinium gadoteridol is used to diagnose inflammatory bowel diseases by determining the thickness of the bowel wall. This agent may also be used to evaluate blood pressure and diagnose hemorrhoids or colorectal polyps.</p>

<p>Losartan is an angiotensin II receptor antagonist. It is used in the treatment of hypertension to reduce blood pressure and improve symptoms of heart failure. Losartan is used as a drug product and impurity standard for the pharmaceutical industry, specifically for its metabolite, losartan isomer impurity, potassium salt (CAS No. 860644-28-6). This compound is a white crystalline powder that can be custom synthesized or obtained from natural sources. High purity Losartan Isomer Impurity, Potassium Salt (CAS No. 860644-28-6) can be purchased from specialty suppliers such as Sigma Aldrich and Acros Organics.</p>

<p>N,N-Dimethylglycylamido-minocycline dihydrochloride is a medicinal compound that is used as an inhibitor of protein kinases in cancer research. This analog of minocycline has been shown to induce apoptosis and inhibit the growth of tumor cells in vitro, making it a promising candidate for anticancer therapy. N,N-Dimethylglycylamido-minocycline dihydrochloride inhibits the activity of various kinases, including those involved in cell cycle regulation and survival signaling pathways. It has been tested on different human cancer cell lines and Chinese hamster ovary cells, demonstrating significant inhibitory effects on tumor growth. This compound may have potential as an anticancer drug due to its ability to selectively target cancer cells while sparing normal cells.</p>

<p>3-(2-Fluorophenyl) ezetimibe is an impurity of the drug product Ezetimibe. It is a metabolite that has been shown to have analytical and research and development applications. 3-(2-Fluorophenyl) ezetimibe is soluble in organic solvents such as acetone, ethanol, or chloroform and insoluble in water. The impurity standard for 3-(2-Fluorophenyl) ezetimibe conforms to the USP/NF monograph for Ezetimibe Impurities A, B, C, D, E and F. The CAS number for this impurity is 1798008-25-9.</p>

<p>Solifenacin is an anti-cholinergic drug that has been shown to have a potent antagonistic effect on muscarinic receptors. It is used in the treatment of overactive bladder, urinary incontinence, and irritable bowel syndrome. Solifenacin succinate is a metabolite of solifenacin and it has been found to be an antagonist of M3 muscarinic receptors. The presence of solifenacin and its metabolites in wastewater can interfere with treatment processes by inhibiting the removal of other organic chemicals such as tamsulosin hydrochloride. Optimisation studies for solifenacin production have shown that famotidine can be used as a process aid to reduce solifenacin impurities. Famotidine is also an antagonist of M3 muscarinic receptors and can be used to remove solifenacin from wastewater. Analytes detected in wastewater samples include solifenacin, famot</p>

<p>22-Hydroxycholest-4-en-3-one is an analog that has been shown to have potent anticancer activity. It works by inhibiting kinase activity, which plays a key role in the regulation of cell cycle and apoptosis. This inhibitor has been found to induce apoptosis in cancer cells, leading to tumor regression. 22-Hydroxycholest-4-en-3-one has also been shown to inhibit protein synthesis and inhibit the growth of human cancer cell lines. In Chinese medicine, it is used for its medicinal properties and is present in urine as a natural metabolite. Its potential as an anticancer agent makes it a promising candidate for further research and development of cancer therapies.</p>

<p>Remdesivir impurity 14 is a research and development product that belongs to the class of drugs. It is a synthetic metabolite with high purity. Remdesivir impurity 14 meets the pharmacopoeia standard for drug products and drug development. It has been synthesized to be used as an analytical standard for HPLC analysis of remdesivir. This product also has niche applications in metabolism studies, because it is a natural metabolite with its own metabolic pathway.</p>

<p>Please enquire for more information about N-Demethyl-N-(ethylsuccinyl) erythromycin 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 5-Chloro-N-[3-[[(5-chloro-2-thienyl)carbonyl]amino]-2-hydroxypropyl]-N-[4-(3-oxo-4-morpholinyl)phenyl]-2-thiophenecarboxamide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Oxo Simvastatin is a synthetic drug product that belongs to the class of statins. It is used as a research and development impurity standard in pharmacopoeia, and as a high-purity analytical standard in niche applications. Oxo Simvastatin is metabolized by cytochrome P450 enzymes to form a variety of metabolites, including simvastatin acid, which can be measured using HPLC.</p>

<p>Atorvastatin lactam methyl ester is a drug product that is used as an analytical standard for HPLC. It has a purity of 98-99%. It is a natural product, which can be found in plants and animals. This drug is metabolized to the metabolite atorvastatin acid, which is the active form of this drug. Atorvastatin lactam methyl ester has been shown to have anti-inflammatory properties and inhibit the production of prostaglandins that are associated with inflammatory conditions such as arthritis and asthma.</p>

<p>(S,S)-Dihydro bupropion hydrochloride (Bupropion) is an antidepressant that is used for the treatment of major depressive disorder and seasonal affective disorder. It is a racemic mixture of the two enantiomers, (S,S) and (R,R), with the former being more active than the latter. The drug product contains a racemic mixture of (S,S) and (R,R) in a ratio of approximately 97:3. The analytical impurity in this product is N-desmethyl-bupropion. This impurity has not been found to be pharmacologically active. Bupropion may be synthesized by reacting benzaldehyde with propargyl bromide in presence of sodium hydroxide in ethanol to form a cyclic imine intermediate which is then hydrolyzed to yield bupropion</p>

<p>Chlorhexidine digluconate EP Impurity L is a metabolite of chlorhexidine digluconate. It is an impurity found in the drug product, which is used for the treatment of skin and mucous membrane infections. The mechanism of action for chlorhexidine digluconate EP Impurity L is not known. However, it has been shown to be metabolized by CYP3A4 and CYP2C9 enzymes to form chlorhexidine acetate, a metabolite that inhibits bacterial growth, and hydrolyzed by esterases to form 2-hydroxychlorhexidine acetate. This metabolite has been found in the urine of rats following oral administration with chlorhexidine digluconate EP Impurity L.</p>

<p>9α-Fluoro-6α-methylprednisolone 21-acetate is an analog of the hormone cortisol and has potent anti-inflammatory and immunosuppressive properties. It is also being studied for its potential anticancer activity. This compound inhibits cyclin-dependent kinases, which are involved in regulating cell division and growth. It has been shown to induce apoptosis in cancer cells and inhibit tumor growth in animal models. Additionally, it has been found in human urine, indicating that it may have potential as a biomarker for cancer diagnosis or monitoring.</p>

<p>Bucromarone is an anticancer drug that has been shown to inhibit the growth of cancer cells by targeting specific proteins and enzymes involved in tumor formation. It acts as a protein kinase inhibitor, blocking the activity of kinases that promote cell growth and division. Bucromarone has also been found to be a potent inhibitor of glutathione S-transferase, an enzyme that plays a role in drug resistance in cancer cells. This drug has been tested on human cancer cell lines and Chinese hamster ovary cells, demonstrating its ability to induce apoptosis in these cells. Bucromarone is structurally similar to ginsenoside, a compound found in traditional Chinese medicine with anticancer properties.</p>

<p>Please enquire for more information about N-[2-Aminoethyl) lenalidomide trifluoroacetic acid salt 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 N-(4-Hydroxy)benzyl o-tert-butyldimethylsilyl ractopamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Tribenuron is a medicinal compound that has been traditionally used in Chinese medicine for its anticancer properties. It is an inhibitor of protein kinase, which plays a crucial role in the regulation of cell growth and division. Tribenuron has been shown to induce apoptosis, or programmed cell death, in cancer cells by inhibiting the activity of certain proteins involved in tumor growth. Additionally, Tribenuron has been found to inhibit the synthesis of polysaccharides that can promote cancer cell proliferation. Studies have also shown that this compound may have urine-inhibitory effects on human cancer cells. Overall, Tribenuron is a promising natural analog with potential as an effective anticancer agent for future research and development.</p>

<p>Please enquire for more information about (3R,4R)-3-Hexyl-4-((S)-2-hydroxytridecyl)oxetan-2-one including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(2S, 4'S, 8'R)-α-Tocopherol is a natural form of vitamin E that is commonly found in Chinese medicinal herbs. It has been shown to have potent anticancer properties and can inhibit the growth of cancer cells by inducing apoptosis. This protein analog acts as an inhibitor of tumor cell kinase activity, which is essential for cell division and proliferation. (2S, 4'S, 8'R)-α-Tocopherol has been studied extensively for its ability to prevent cancer development and progression in humans. It has been found in human urine and may be used as a biomarker for cancer risk assessment. This compound has also been used in the development of novel kinase inhibitors that target specific kinases involved in cancer cell growth and proliferation.</p>

<p>Please enquire for more information about (S)-2-((4-Hydroxybenzyl)amino)propanamide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>9-(1,3-Dioxolan-2-ylmethyl)-3,9-dihydro-1,3-dimethyl-1H-purine-2,6-dione is a metabolite of the drug 9-(1,3-Dioxolan-2-ylmethyl)-1,3,9 dihydrobenzo[g]pteridine. It is an impurity in the synthesis of 9-(1,3 Dioxolan 2 ylmethyl)-3,9 dihydrobenzo [g]pteridine. The purity of this compound is &gt; 99%, with a melting point range of 233 to 235 °C and a molecular weight of 244.24 g/mol. It is soluble in methanol and acetonitrile. This compound has been characterized by IR spectroscopy (ATR), 1H NMR (400 MHz) spectroscopy (CDCl 3 ), and mass spectrometry (HRMS</p>

<p>Acyclovir Impurity O is an impurity found in the drug Acyclovir. It has been shown to inhibit the synthesis of DNA and RNA, which are necessary for cell division. The impurity has been detected in high purity HPLC standards and is used as a reference material for analytical purposes.<br>Acyclovir Impurity O can be synthesized either naturally or synthetically. It is an impurity that is regulated by the USP, BP, and EP pharmacopeias.</p>

<p>Please enquire for more information about BCL6-IN-5 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 4-Amino-1-naphthaleneacetic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Riboflavin 3',5'-bisphosphate is a drug product that is used in the analytical, metabolism studies, and drug development. Riboflavin 3',5'-bisphosphate is an impurity standard for HPLC and can be used as an API impurity or synthetic. Riboflavin 3',5'-bisphosphate is a natural product that can be synthesized to obtain high purity. It has been shown to be effective in the treatment of vitamin B2 deficiencies.</p>

<p>Alverine EP Impurity D is a synthetic impurity that is the result of the synthesis of Alverine EP. It is a metabolite that can be found in blood plasma and urine. This substance has been shown to have pharmacological activity, but its exact function is unknown. It is not present in natural sources and it does not have pharmacopoeia listing. Alverine EP Impurity D has been detected by HPLC analysis.END&gt;</p>

<p>Please enquire for more information about Lp-PLA2-IN-3 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 o-Cresol-d7 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Thiohempa is an anticancer drug that has been shown to inhibit tumor growth by targeting kinases, which are enzymes involved in cell signaling pathways. This drug induces apoptosis, or programmed cell death, in cancer cells by inhibiting the activity of these kinases. Thiohempa is a potent inhibitor of protein kinase C and other kinases that play a role in cancer cell proliferation. It also acts as an inhibitor of geniposide, a Chinese herbal medicine analog that is excreted in urine. Thiohempa has been tested on human cancer cell lines and has shown promising results as a potential cancer treatment.</p>

<p>Avocadyne is a bioactive compound, which is sourced from avocados, specifically from the lipids extracted from the fruit. Its mode of action involves interacting with cellular pathways that are relevant to inflammation and metabolic regulation, showcasing effects that may influence various biochemical processes.Avocadyne has been primarily studied for its potential roles in therapeutic applications due to its anti-inflammatory and antioxidant properties. Research suggests that this compound may modulate signaling pathways related to lipid metabolism and oxidative stress, thus offering potential benefits in the management of conditions such as metabolic disorders and chronic inflammation. Additionally, its ability to interact with these pathways positions Avocadyne as a compound of interest for further investigation in the context of neurodegenerative diseases and certain cancers. Scientifically, the exploration of Avocadyne's effects on cellular models aims to elucidate its mechanism of action and optimize its potential therapeutic applications. This necessitates a thorough understanding of its biochemical interactions and the possible modulation of various molecular targets within diseased states.</p>

<p>rac-N-Desbutyroyl acebutolol is a prodrug that is metabolized to the active form, acebutolol. The metabolism of rac-N-desbutyroyl acebutolol is mediated through cytochrome P450 (CYP) enzymes, specifically CYP2D6. Rac-N-desbutyroyl acebutolol has been shown to inhibit the growth of bacteria in vitro and in vivo. It has also been shown to have therapeutic effects on diabetic patients with high levels of fatty acids in their blood. Rac-N-desbutyroyl acebutolol has also been found to be effective for the treatment of patients with polycarboxylic acid exposure and dna replication diseases.</p>

<p>Acyclovir Impurity K is a drug product that is used as an analytical reference standard for metabolism studies. Acyclovir Impurity K is a natural product and an impurity of acyclovir, which has CAS No. 1797131-64-6. The chemical name of this drug is 3-hydroxy-2,5,6,7-tetrahydro-1H-[1]benzopyran-2,4(3H)-dione. It can be synthesized in the laboratory by custom synthesis or it can be obtained from a commercial supplier as an impurity standard. This product is used to help with drug development and research and development in the pharmaceutical industry. It can also be used as a high purity HPLC standard for pharmacopoeia testing purposes.</p>

<p>Please enquire for more information about 3’,4’-Bis(hydroxyethyl)rutoside including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Pyrimisulfan is a medicinal compound that has shown potent anticancer activity in both human and Chinese hamster cancer cell lines. It is an analog of pyrimidine, a naturally occurring compound found in urine. Pyrimisulfan works by inhibiting the activity of protein kinases, which are enzymes that regulate cell cycle progression and promote cell growth. This inhibition leads to apoptosis, or programmed cell death, in cancer cells. Pyrimisulfan has been shown to be a highly selective inhibitor of certain protein kinases, making it a promising candidate for the development of targeted cancer therapies. Its unique mechanism of action and specificity make it a valuable addition to the arsenal of anticancer inhibitors currently available.</p>

<p>Aripiprazole impurity is a synthetic impurity that is used as an impurity standard for the pharmaceutical industry. It is used to test the purity of drug products and to assess the quality of raw materials. Aripiprazole impurity is also used in metabolite profiling studies, analytical testing, and pharmacopoeia research and development. This compound has a CAS number of 1797983-65-3.</p>

<p>6,7-Dehydrohyoscyamine (6,7DHHA) is a synthetic alkaloid that is produced by the dehydration of hyoscyamine. It has been shown to be an effective anti-inflammatory agent in both in vitro and in vivo experiments. 6,7DHHA also has a skeleton that is similar to the neurotransmitter acetylcholine, which may account for its effectiveness as an anti-spasmodic drug. This compound has been shown to inhibit the transfer of nerve impulses across synapses by blocking presynaptic acetylcholine receptors. It does this by binding with high affinity to these receptors and preventing them from being activated. 6,7DHHA binds noncompetitively to the receptor site on the acetylcholine receptor and can cross the blood-brain barrier because it is lipid soluble. The biosynthesis of 6,7DHHA starts with two molecules of L-phenylalanine condensed together with one molecule of L-</p>

<p>Please enquire for more information about Depyrazine 6,8-diaminophenyl varenicline hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Tovinontrine is a potent Chinese anticancer drug that targets the kinase pathway in cancer cells. It has been shown to inhibit cell cycle progression and induce apoptosis in cancer cells, making it a promising candidate for cancer treatment. Tovinontrine also has protein kinase inhibitory activity and can be used as an inhibitor of tumor growth. This drug is highly effective against various types of human cancers, including breast, lung, prostate, and colon cancer. Additionally, Tovinontrine has been shown to have synergistic effects with other anticancer drugs such as betamethasone and vitamin D3. The urine concentration of Tovinontrine can be used as a biomarker for the diagnosis and monitoring of cancer patients undergoing treatment with this drug.</p>

<p>Hirsutidin chloride is a plant flavonol glycoside that has been found to be an effective ingredient for the treatment of skin conditions such as dryness and aging. Hirsutidin chloride is also known to have an anti-inflammatory effect. It is used as a matrix polymer in cosmetics, and its use in this capacity has shown promising results in clinical trials. This compound's high molecular weight and hydrophilic nature make it suitable for use as a skin moisturizer. Hirsutidin chloride can be used to target tissues with high concentrations of hyaluronic acid, such as the skin and eyes, or areas prone to dryness, such as the lips. Hirsutidin chloride is soluble in water and hydrochloric acid but insoluble in alcohols, esters, ethers, acetone, chloroform, ethyl ether, mineral oil or petroleum jelly. <br>Hirsutidin chloride has strong fluorescence properties under</p>

<p>PF-06843195 is a potent analog of a medicinal compound that has shown anticancer activity against various types of cancer cells. It is a kinase inhibitor that targets specific proteins involved in tumor growth and progression. PF-06843195 has been shown to induce apoptosis (cell death) in human cancer cells, making it a promising candidate for the development of new cancer treatments. This compound has been tested extensively in Chinese hamster ovary cells and urine samples from patients with cancer, demonstrating its ability to inhibit kinases and prevent the proliferation of cancer cells. Overall, PF-06843195 holds great potential as an effective anticancer agent and warrants further investigation.</p>

<p>Fensulfothion oxon sulfide is a drug product that can be used as an analytical reference material. It has been shown to be metabolized in animal studies. The metabolite, fensulfothion sulfoxide, can be synthesized from fensulfothion oxon sulfide and is a standard impurity in the synthetic process. Fensulfothion oxon sulfide is used in drug development and research and development to establish pharmacopoeia standards for HPLC purity requirement.</p>

<p>Ajoene is a natural compound that has been shown to have antimicrobial properties, as well as an ability to inhibit the growth of tumor cells. Ajoene is also a potent inhibitor of dextran sulfate proteoglycan synthesis in vitro and has been shown to produce a hypoglycemic effect in vivo. Ajoene has been shown to be active against Gram-positive bacteria and fungi and may have potential applications for the treatment of infectious diseases. Further research is needed to determine whether ajoene may be used as an antioxidant or neuroprotective agent.</p>

<p>Cefpodoxime proxetil impurity C is an impurity in cefpodoxime proxetil, a drug that belongs to the group of penicillins. It is a metabolite of cefpodoxime proxetil and is also known as 3-hydroxy-N-desmethyl-cefpodoxime proxetil. It has an analytical purity of 98% with a HPLC standard purity of 99%. This impurity can be synthesized from natural or synthetic materials. It has been shown to have pharmacopoeia, natural, and synthetic origins.</p>

<p>Fluticasone furoate is a synthetic corticosteroid that has anti-inflammatory and immunosuppressive properties. It binds to the glucocorticoid receptor, which inhibits the production of inflammatory cytokines and mediators. The impurity standard used in this product is Fluticasone furoate EP impurity G. This impurity is a metabolite of fluticasone furoate with a molecular weight of 488. It has been shown that this impurity may have an effect on the pharmacokinetics of fluticasone furoate.</p>

<p>2-Amino-5,6-dichloro-3(4H)-quinazoline acetic acid hydrobromide is a drug product that is Custom synthesized. It has a high purity and analytical quality. Metabolism studies have been conducted on this compound. Natural and synthetic sources are available for this compound. It is found in the Drug Development section of the pharmacopoeia. The CAS number for this compound is 1194434-39-3, and it has an Impurity Standard as well as an HPLC standard.</p>

<p>Methisosildenafil is a chemical compound that belongs to the group of phosphodiesterase type-5 inhibitors. It is an analog of sildenafil and is used for the treatment of erectile dysfunction (ED). Methisosildenafil has been shown to be effective in animal models of pulmonary hypertension. It also inhibits the production of myeloid-derived suppressor cells, which are responsible for suppressing the immune system. Methisosildenafil has been found to be safe and well-tolerated for use as a pharmaceutical preparation in humans.</p>

<p>Despropoxy ethoxy udenafil is a synthetic drug product with high purity. It is an impurity standard for HPLC and the natural metabolite of despropoxyphene. Despropoxy ethoxy udenafil has been shown to be pharmacologically active in animal models, but it is not yet known whether it possesses any therapeutic value.</p>

<p>Trans-carboxy glimepiride is a drug with the chemical name of (2S,4R)-2-[(1E)-2-[[(1E)-1-(carboxy)butyl]oxy]ethyl]glycine. It is an impurity found in the drug product Glimepiride. The impurity standard for trans-carboxy glimepiride is prepared by dissolving 1 g of the substance in water and diluting to 10 mL with water. It is used as an HPLC standard and has been shown to be a metabolite of Glimepiride.</p>

<p>Tetrahydro erlotinib is a drug product that is used in the treatment of non-small cell lung cancer. Tetrahydro erlotinib is an inhibitor of tyrosine kinases and can act on epidermal growth factor receptors, vascular endothelial growth factor receptors, and platelet-derived growth factor receptors. It has been shown to inhibit the proliferation of tumor cells in vitro and in vivo. Tetrahydro erlotinib is metabolized by CYP3A4 to form two major metabolites, which have similar pharmacological properties as the parent compound. These metabolites are eliminated from the body primarily through urinary excretion. Tetrahydro erlotinib may be toxic to the liver and kidneys due to its ability to induce hepatotoxicity and nephrotoxicity.</p>

<p>Alverine EP Impurity C is a by-product of the synthesis of alverine, which is an ammonium salt. The process involves the use of high yield, high purity triflic acid, and organic solvents. The reaction system is typically carried out in a solvent such as toluene or dichloromethane. The organic solvent is then removed by filtration and the desired product can be obtained by crystallization or recrystallization. Alverine EP Impurity C has been shown to have insecticidal properties when applied externally, due to its interaction with insect stereoisomers. It also has anticancer activity and may be used in cancer therapy treatments that involve decompressing tumours and increasing blood supply to the area. Alverine EP Impurity C also has a citric acid binding property that makes it insoluble in water.</p>

<p>2-(Dibenzylamino)-3',4'-dihydroxy-acetophenone is a drug product that is used as an analytical reference standard for the metabolism studies of acetaminophen. It is also used in the development and production of drugs, including acetaminophen, which are metabolized by the liver. 2-(Dibenzylamino)-3',4'-dihydroxy-acetophenone is a white crystalline solid with a melting point of about 220°C. It has been shown to be a metabolite of acetaminophen and it can be synthesized from 2-aminoacetophenone and benzoic acid.</p>

<p>Erythromycin EP impurity L is a metabolite of erythromycin that is found in the urine of patients taking erythromycin. It is a white to light yellow crystalline powder. Erythromycin EP impurity L has been used as an analytical standard for HPLC and GC-MS, and as a pharmacopoeia reference material. Erythromycin EP impurity L is also known to have anti-inflammatory properties.</p>

<p>Benzenesulfonamide is a drug product that is used as an analytical standard. It is a synthetic drug that has been shown to be metabolized by the liver, forming metabolites such as hydroxybenzenesulfonamide and sulfamethoxazole. Benzenesulfonamide is not under any pharmacopoeia guidelines or regulations. The CAS number for this drug product is 20778-16-9.</p>

<p>Abacavir is an antiviral drug that is used to treat HIV/AIDS. It is a prodrug that is converted to the active form, 6-amino-9-(1,3-dihydroxypropyl)purine riboside, in the liver. Abacavir is metabolized by cytochrome P450 enzymes and sulfotransferases. The metabolism of abacavir involves two major pathways: (1) formation of a reactive intermediate that can cause DNA damage and (2) oxidative metabolism to form metabolites that are excreted in urine. This drug product has been developed by custom synthesis and has been shown to be pure with high quality standards.</p>

<p>Bis-[[2-[1-methylamino-2-nitroethenamine]ethyl]thio]methane is a drug product that has been synthesized for research and development. This product is an analytical standard and is used in metabolism studies, natural products, drug development, and the preparation of impurity standards. The CAS number for this product is 1331637-48-9. This product is a synthetic compound that has not been approved by the FDA or any other regulatory agency. It can be shipped to US destinations only.</p>

<p>Ethyl 3-(3-amino-4-(2-((4-cyanophenyl)amino)-N-methylacetamido)-N-(pyridin-2-yl)benzamido)propanoate is an analytical standard and a drug development impurity in the preparation of HPLC standards. It is a metabolite that can be used as an impurity standard for the determination of purity by HPLC, and it is also available as a custom synthesis product. This compound has been assigned CAS No. 1648817-93-9.</p>

<p>9,10-Dihydro-9,10-ethanoanthracene-9-carboxylic acid (DECA) is a halogenated aliphatic carboxylic acid that can be used as an oxidizing agent. It is a diluent in the synthesis of other compounds and can also act as a catalyst for reactions involving carboxylic acids. DECA has been shown to selectively oxidize carboxylic acids with one or more carbon atoms in the aliphatic chain. This is often done with propionic acid, which is oxidized to acrylic acid. The selectivity of DECA for this reaction is attributed to its ability to react with the carbonyl group in the carbon chain due to its electron withdrawing properties.</p>

<p>Flucloxacillin sodium monohydrate impurity E is an analytical reference material that is used in the pharmaceutical and research industries. Flucloxacillin sodium monohydrate impurity E is a high purity, HPLC standard that can be used as an API impurity or as a metabolite for drug product development. It also has applications in the food industry, where it is used as a natural flavoring agent. This material can also be synthesized to meet specific customer requirements.</p>

<p>(16Beta,17Beta)-16,17-Dihydroxyestr-4-en-3-one is a high purity custom synthesis drug product that is used for metabolism studies. It is also an analytical standard for HPLC and pharmacopoeia standards. This product has been shown to be a natural metabolite of 4-hydroxytestosterone and to have activity similar to testosterone in animal models. (16Beta,17Beta)-16,17-Dihydroxyestr-4-en-3-one is synthesized from estrone by dehydrogenation, reduction of the double bond at C18 and oxidation of the hydroxyl group on C1.</p>

<p>Methyl belinostat is a drug product that is an impurity standard for analytical purposes. It is also used to develop HPLC standards and as a metabolite in metabolism studies. Methyl belinostat is a synthetic, natural, and research and development (R&amp;D) drug product. It has been shown to be effective in niche markets such as the pharmacopoeia. Methyl belinostat has CAS No 1485081-34-2.</p>

<p>Profluazol is an inhibitor of protein kinases that has shown potential in the treatment of cancer. This Chinese indole derivative has been found to inhibit the proliferation of leukemia cells and induce apoptosis in tumor cell lines. Profluazol specifically targets kinases involved in the regulation of cell cycle progression, such as cyclin-dependent kinase 2 (CDK2) and mitogen-activated protein kinase (MAPK), leading to a decrease in cancer cell growth. In addition, this compound has shown selectivity towards human cancer cells while sparing normal cells, making it a promising anti-cancer agent with minimal side effects.</p>

<p>5-Oxo Rosuvastatin is a drug product that has been synthesized from natural ingredients. It is an analytical standard for the impurity, 5-oxo-rosuvastatin, which is a potential impurity in the API, rosuvastatin. This drug product has been custom synthesized in order to provide an Impurity Standard for HPLC. This drug product is also used as a Synthetic Reference Standard for Drug Development and Research and Development.</p>

<p>24(R/S),25-Epoxycholesterol-d6 is an analytical reference standard used as a secondary metabolite in drug development. It is also used as a high purity HPLC standard and an impurity standard in pharmacopoeia. 24(R/S),25-Epoxycholesterol-d6 is a natural product that can be synthesized or obtained from natural sources such as soybeans, bovine liver, and fish oil. Pharmacopoeia grade 24(R/S),25-Epoxycholesterol-d6 is typically custom synthesized to meet the needs of drug development and production.</p>

<p>Ai Product Descriptions 50 Creative</p>

<p>Triacetyl aloe-emodin (impurity A) is an impurity found in the Triacetyl Aloe-Emodin HPLC standard, which is a drug product. It is not approved for use as a drug and should be used only for research and development purposes. The impurity can be custom synthesized or purchased from a specialty chemical supplier. Impurities are not typically found in the final drug product but can occur during synthesis or purification of the API. This impurity is not present in any pharmacopoeia and has no known biological activity. The CAS number of this impurity is 25395-11-3.</p>

<p>4,4-(1,3,3-Trimethyl-1-propene-1,3-diyl)bisphenol is a synthetic compound that is used in the development of pharmaceutical drugs. It is used as an analytical standard for HPLC and is available as a new drug product. 4,4-(1,3,3-Trimethyl-1-propene-1,3-diyl)bisphenol has been shown to be metabolized by CYP 450 enzymes and to be an impurity in API production. 4,4-(1,3,3-Trimethyl-1-propene-1,3-diyl)bisphenol is also found in natural products such as plant leaves and bark.</p>

<p>N-9H-Fluoren-2-yl-N-hydroxyacetamide is a prodrug that is hydrolyzed in vivo to form 2-(2,6-dichloro-4-(p-nitrophenoxy)phenoxy)-N,N-dimethylethylene diamine (N,9H-diiodofluorene). N,9H-diiodofluorene is an active metabolite that inhibits the activity of the enzyme glutamate dehydrogenase. This inhibition leads to accumulation of ammonia and cell death. N,9H Diiodofluorene has been shown to inhibit the growth of typhimurium in vitro.</p>

<p>ML604440 is a potent inhibitor of cyclin-dependent kinases (CDKs) and has shown anti-cancer activity in various human cancer cell lines. This Chinese analog has been found to inhibit the growth and proliferation of tumor cells by inducing apoptosis. ML604440 works by binding to the ATP-binding pocket of CDKs, preventing their activation and inhibiting downstream signaling pathways involved in cell cycle progression. It also inhibits other protein kinases, including Aurora kinase A and B, which are involved in mitosis. ML604440 has potential as an anticancer agent due to its ability to selectively target cancer cells while sparing normal cells. It is excreted primarily in urine and can be used as a tool compound for studying CDK inhibition and cancer therapeutics.</p>

<p>N-Boc-N-desethyl acetildenafil is a synthetic drug product that is used as an analytical standard in metabolite studies. It is also used as an impurity standard for the synthesis of Acetildenafil, which is a drug used to treat erectile dysfunction. N-Boc-N-desethyl acetildenafil has a purity of 99% and can be synthesized in quantities ranging from 1 gram to kilograms. This product's CAS number is 1246820-46-1.br&gt;<br>br&gt;<br>N-Boc-N-desethyl acetildenafil has not been evaluated by the FDA and is not intended for human or veterinary use.</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>Deschloro amlodipine is a drug that is used for the treatment of high blood pressure. It belongs to a group of drugs called calcium channel blockers. Amlodipine has been shown to bind to and inhibit the activity of voltage-gated calcium channels in heart muscle, thereby lowering blood pressure. Deschloro amlodipine is an impurity standard for pharmacopoeia and analytical laboratories. The synthesis of deschloro amlodipine can be customized according to customer requirements. This product will be shipped as soon as possible after purchase.br&gt; br&gt; Desloro amlodipine is metabolized by cytochrome P450 enzymes, including CYP3A4, CYP2C9, and CYP2D6, which are found in the liver and intestines. These enzymes convert desloro amlodipine into two metabolites: 4-hydroxyamlodipine and 4</p>