APIs para investigación e impurezas

<p>Ciprofloxacin impurity D hydrochloride is a drug product that is an analytical standard. It is also a natural impurity found in Ciprofloxacin. This compound has been synthesized and manufactured to be used as an impurity standard. It exhibits the same physical, chemical, and biological properties as Ciprofloxacin. The CAS number for this substance is 526204-10-4. Impurities such as Ciprofloxacin impurity D hydrochloride may be present in the finished drug product if they are not removed during the manufacturing process. Chemical reactions may also lead to the formation of these substances. The presence of these substances can affect the quality of the drug product and may lead to adverse effects for patients who use them.<br>CAS No.: 526204-10-4<br>Molecular Weight: 258.25<br>Formula: (C8H6ClF2NOS)</p>

<p>9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid-13C6 is a potent anticancer agent that targets various cancer cells by inhibiting kinases and blocking the action of proteins involved in cell cycle regulation. It has been shown to induce apoptosis in leukemia cells and inhibit the growth of several cancer cell lines. This compound is also used as a medicinal tool for studying protein inhibitors and their effects on cell cycle progression. 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid-13C6 can be detected in urine samples and may have potential as a diagnostic tool for detecting certain types of cancer. Its unique isotopic labeling with 13C6 makes it an ideal candidate for use in metabolic studies or other analytical applications that require accurate quantification.</p>

<p>Isopropyl (1S)-(+)-10-camphorsulfate is an analytical standard that is used in the preparation of aqueous solutions with a purity of at least 99.5%. It can also be used as a reference material for the determination of impurities in drug products and API preparations. Isopropyl (1S)-(+)-10-camphorsulfate has been shown to inhibit bacterial growth, and may have anti-inflammatory properties. It has also been shown to bind to DNA and form adducts with guanine residues, which may lead to mutagenicity.</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>2-[3,5-Dichloro-4-(4-chlorobenzoyl)phenyl]-1,2,4-triazine-3,5(2H,4H)-dione is a research and development impurity standard. It is a synthetic compound with purity of 99% that can be used as an impurity standard for drug product and a metabolite in pharmacopoeia. 2-[3,5-Dichloro-4-(4-chlorobenzoyl)phenyl]-1,2,4-triazine-3,5(2H,4H)-dione has been used in metabolism studies to demonstrate the formation of 2-[3,5-dichloro-4-(4-fluorobenzoyl)phenyl]-1,2,4-triazine 3,5(2H, 4H)-dione.</p>

<p>Empagliflozin tetraacetate is a drug product that has been manufactured by chemical synthesis. It is a white to off-white crystalline powder with a molecular weight of 597.7 and a purity of 98.2%. Empagliflozin tetraacetate has been formulated as the hydrochloride salt, which is soluble in water and alcohols. The USP/BP/EP specifications for this drug are 5% impurity standard, analytical, API impurity, Synthetic, Metabolism studies, niche, High purity&gt;. This drug product can be used in research and development as well as for manufacturing pharmaceutical products. It is not intended for use in humans or animals.</p>

<p>N-[(2E)-6,6-Dimethyl-2-hepten-4-yn-1-yl]-N-methyl-2-naphthalenemethanamine hydrochloride is a synthetic compound that has been used as an impurity standard for the synthesis of drug products. It is also used for research and development purposes. This product can be synthesized from 2,6,6-trimethylcyclohexene and methylamine. N-[(2E)-6,6-Dimethyl-2-hepten-4-yn-1-yl]-N methyl 2 naphthalenemethanamine hydrochloride may be metabolized by CYP450 enzymes to form metabolites such as HNE and 4-(hydroxymethyl)naphthalene 1,2 diol. The compound is water soluble and has a melting point of 183°C. N-[(2E)-6,6</p>

<p>5,7,4'-Trimethoxy-4-phenylcoumarin is a potent anticancer agent that has been shown to inhibit cancer cell growth and induce apoptosis. This compound is found in medicinal plants and acts as an inhibitor of protein kinases involved in the regulation of the cell cycle. It has been tested against Chinese hamster ovary cells and human tumor cell lines, showing promising results as an effective inhibitor of cancer cell proliferation. 5,7,4'-Trimethoxy-4-phenylcoumarin is a valuable analog for the development of novel anticancer drugs due to its potent activity against various types of cancer. Its inhibitory effects on kinase activity make it a promising candidate for future drug development efforts aimed at treating cancer.</p>

<p>N’-(4-Aminophenyl)-N,N-dimethylacetamidine (ADAA) is a cholinergic anthelmintic drug that is effective against endoparasites. It has been shown to be effective against caenorhabditis, resistant mutants and acetylcholine receptor. ADAA is administered to animals and humans orally or intravenously. The pharmacokinetics of ADAA have been studied in rats, mice, pigs and humans. ADAA has a long half-life in rats and mice but not in humans.</p>

<p>N-Demethyl lincomycin hydrochloride is a drug product that is used in the synthesis of pharmaceuticals. It is an analytical standard for natural lincomycin and an impurity in the synthetic production of lincomycin. N-Demethyl lincomycin hydrochloride is synthesized from the drug product, 4-demethyllincomycin, which is obtained from fermentation of Streptomyces lincolnensis. This drug product has been shown to inhibit bacterial protein synthesis by inhibiting ribosomal protein S12. N-Demethyl lincomycin hydrochloride has a purity greater than 98% and can be used as a high purity HPLC standard or as a pharmacopoeia standard.</p>

<p>N-Benzyl-7-chloroquinolin-4-amine is a potent inhibitor that has been shown to exhibit anticancer properties. It is an analog of oxytocin, a hormone that plays a role in the regulation of the reproductive cycle and social bonding. N-Benzyl-7-chloroquinolin-4-amine has been found to inhibit the activity of protein kinases, which are enzymes that play a key role in cell signaling pathways. This inhibition leads to decreased cell growth and increased apoptosis in cancer cells. Studies have shown that N-Benzyl-7-chloroquinolin-4-amine can effectively inhibit tumor growth in Chinese hamsters and reduce the levels of urinary tumor markers in humans. This inhibitor has potential as a therapeutic agent for cancer treatment due to its ability to selectively target cancer cells while sparing normal cells.</p>

<p>Please enquire for more information about (3R,4Z)-4-Ethylidenetetrahydro-5-oxo-3-furanacetaldehyde including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>N-(2-Hydroxyethyl)-P,P-bisaziridinyl thiophosphamide (HEPBTP) is a metabolite of the drug product. HEPBTP is synthesized from the parent compound by hydrolysis and oxidation reactions. This metabolite has been characterized using HPLC and analytical methods, including mass spectrometry. It is also included in the pharmacopoeia as an impurity standard for quality control.</p>

<p>N,N'-Dimethyl-2-nitro-1,1-ethendiamine is a protonated form of N,N'-dimethyl-2-nitroetheneamine. It has been shown to be an equilibrating agent for the equilibrium between the protonated and unprotonated forms of N,N'-dimethyl-2-nitroetheneamine in alkaline solution. In this way it can be used to determine the pH of an unknown solution. The equilibrium constant is 10^14 at 25 degrees Celsius. This constant varies with temperature and concentration of N,N'-dimethyl-2-nitroetheneamine. The electronic spectra show that this molecule is an anion.</p>

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<p>Ergosterone is a potent anticancer agent that has been shown to induce apoptosis in various human cancer cell lines. It is a natural compound found in the urine of Chinese medicine practitioners and has been used for its medicinal properties for centuries. Ergosterone works by inhibiting the activity of certain proteins involved in the cell cycle, leading to inhibition of cancer cell growth. This inhibitor has shown promising results as an anticancer agent in preclinical studies and may offer a new avenue for cancer treatment.</p>

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<p>2-Methoxyethyl-3-aminocrotonate is an impurity of a drug product. It is an analytical standard that is used to quantify the metabolite in pharmaceutical preparations. 2-Methoxyethyl-3-aminocrotonate is a natural metabolite, which can be found in human urine. This compound has been shown to be a potent inhibitor of both bacterial and mammalian cell topoisomerase II and IV, but not mammalian cell topoisomerase I. It also inhibits protein synthesis by binding to the ribosomal 50S subunit. In addition, it has been shown to inhibit the growth of certain bacteria such as clostridium perfringens and Mycobacterium tuberculosis.</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>Dapsone N-β-D-glucuronide sodium salt is a drug product that is Custom synthesized for your research and development needs. It is available for sale as a white to off-white crystalline powder with a purity of 98%. Dapsone N-β-D-glucuronide sodium salt has CAS No. 54749-81-4, analytical, Metabolism studies, Drug development, Natural, Metabolite, pharmacopoeia, niche, Synthetic, Impurity standard and Research and Development. It is an HPLC standard in the form of a white to off-white crystalline powder with a purity of 98%.</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>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>7-(4-{4-[4-(2,3-Dichlorophenyl)piperazin-1-yl]butoxy}butoxy)-3,4-dihydroquinolin-2(1H)-one is an analytical reference standard for HPLC. It is a white to light yellow crystalline powder that is soluble in water and ethanol. This compound has been synthesized from 4-(2,3-dichlorophenyl)piperazine and 3,4-dihydroquinoline 2(1H)-one. This molecule has been identified as an impurity in the drug product, Cefdinir (7-(2-(3,4-Dihydroxyphenoxy)propoxy)-3,4-dihydroquinolin-2(1H)-one). The purity of this chemical has been shown to be greater than 99.5% by high performance liquid chromatography (HPLC).</p>

<p>3-Chloro-2-hydroxyimipramine is a potent anticancer agent that has shown promising results in preclinical studies. This compound is a kinase inhibitor that targets cancer cells and induces apoptosis, leading to tumor regression. It has been found in urine samples of Chinese medicinal herb users and shows an analog structure to imipramine, an antidepressant drug. 3-Chloro-2-hydroxyimipramine inhibits kinases involved in cell proliferation and survival, making it a potential treatment option for various types of cancer in humans. Its anti-cancer properties make it an attractive candidate for further research and development as a potential therapeutic agent.</p>

<p>Olsalazine o-sulfate sodium salt is a medicinal compound that has been shown to have potential as an apoptosis-inducing agent for cancer cells. It works by inhibiting kinases, which are enzymes that play a key role in cell signaling and regulation. Olsalazine o-sulfate sodium salt has been found to inhibit the growth of tumor cells in vitro and in vivo, and it has also been shown to increase the levels of d-xylose in human urine. This suggests that it may be useful as a diagnostic marker for certain types of cancer. In addition, Olsalazine o-sulfate sodium salt is a potent inhibitor of protein kinase C, which is involved in many cellular processes including cell proliferation and differentiation. Its use as a kinase inhibitor may have therapeutic implications for various diseases including cancer.</p>

<p>Chlorhexidine is an antimicrobial agent that has been shown to be effective against escherichia and chlorobenzene. It also has a low toxicity for humans and animals, as well as for the environment. Chlorhexidine EP Impurity N is a chlorhexidine impurity that is produced during the synthesis of chlorhexidine acetate. This impurity can be used in research to measure hydrogen peroxide levels, which can help determine the purity of chlorhexidine acetate. Recoveries of this compound were found to be high in human dental plaque and pneumococcus bacteria. Average recoveries were found to be higher when measured by ultraviolet spectroscopy than by gas chromatography-mass spectroscopy (GC-MS).</p>

<p>Cis-10,11-dihydroxy-10,11-dihydrocarbamazepine is a drug that is used to treat epilepsy. It is a prodrug of carbamazepine that is metabolized by the enzyme dioxygenase in the liver to form its active form. Cis-10,11-dihydroxy-10,11-dihydrocarbamazepine has been shown to be effective in treating neuropathic pain and care products with cis-10,11-dihydroxy-10,11-dihydrocarbamazepine have been developed for use as topical analgesics. Cis-10,11-dihydroxy-10,11-dihydrocarbamazepine has also been shown to be carcinogenic when it was tested on rats.</p>

<p>Please enquire for more information about 2-Benzoylbenzene-1-sulfonyl chloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>4-Chloroestradiol is a synthetic, natural, and drug development metabolite. It is a highly pure and analytical drug product with a niche in the market. This compound has been shown to inhibit proliferation of breast cancer cells in vitro. 4-Chloroestradiol is not currently used as a therapeutical agent but may be used for research and development purposes. The metabolite is also known to have anti-inflammatory activities, which are due to its ability to reduce prostaglandin synthesis.</p>

<p>Cp-66713 mesylate is a synthetic drug product with a molecular formula of C17H19NO2 and a molecular weight of 269.34. It has the following CAS number: 91896-58-1. The purity of this compound is &gt;99% (HPLC).</p>

<p>Please enquire for more information about Tofacitinib impurity 69 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Mandelic acid is a naturally occurring organic compound that is the simplest aromatic carboxylic acid. It is used as an intermediate in chemical synthesis, and as a reagent in analytical chemistry. Mandelic acid can be produced synthetically by the oxidation of benzaldehyde or benzoic acid. Mandelic acid has been shown to inhibit the metabolism of many drugs, including diazepam, phenobarbital and propranolol. It also shows anti-inflammatory effects due to its ability to inhibit prostaglandin synthesis.</p>

<p>Hydroxymethyl tolperisone is a medicinal compound that has been identified as a kinase inhibitor with potential anticancer properties. It has shown promising results in inhibiting the growth of leukemia cells and tumor cell lines in human studies. Hydroxymethyl tolperisone works by interfering with protein synthesis, disrupting the cell cycle, and inducing apoptosis in cancer cells. This compound has also been found to be effective against various types of cancer, including breast, lung, and colon cancer. Hydroxymethyl tolperisone is an analog of tolperisone, a muscle relaxant that is excreted primarily through urine. The use of this compound as an anticancer agent is still under investigation, but it holds great promise for the future of cancer treatment.</p>

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

<p>Apremilast is a drug product that belongs to the class of drugs called phosphodiesterase 4 inhibitors. It acts by inhibiting the enzyme phosphodiesterase 4 (PDE4) and therefore blocks the degradation of specific signaling molecules, such as cyclic adenosine monophosphate (cAMP). Apremilast has been shown to have anti-inflammatory properties in preclinical studies and is being developed for the treatment of inflammatory diseases, including rheumatoid arthritis. Apremilast is not active against gram-positive bacteria or some other types of bacteria. Apremilast has been shown to have a low potential for drug interactions with other drugs metabolized by cytochrome P450 enzymes.</p>

<p>2-tert-Butyl-1,2,3,4-tetrahydro-isoquinoline-4,6,8-triol is an impurity found in the drug product 2-tert-butyl-1,2,3,4-tetrahydroisoquinoline. It is a synthetic compound with pharmacological properties that have been studied in animals and humans. The chemical name for 2-tert-butyl isoquinoline is 4-(2'-methylpropoxy)-isoquinoline. The structure of this compound is shown below:</p>

<p>Benzo[b]thien-2-yl ketone (zileuton impurity) is a metabolite of the drug zileuton, which is used to treat asthma. Benzo[b]thien-2-yl ketone is formed by the oxidation of benzo[b]thiophene in the presence of cytochrome P450 enzyme system. It has been found to have anti-inflammatory properties and may be useful for treating asthma. This product is available as an analytical standard for HPLC, or as a custom synthesis for research and development.</p>

<p>Please enquire for more information about Ethyl 2-cyano-4-methylpent-2-enoate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Sulfamethoxypyridazine-d3 is a compound that has been shown to have anti-trophic and transport properties. It has been shown to be capable of binding with organic pollutants, including benzothiazoles, and has the potential to be used in screening for these compounds. Sulfamethoxypyridazine-d3 has also been shown to inhibit the growth of organisms, such as bacteria and fungi. This compound is not absorbed by humans or animals when administered orally, but can be transferred through skin contact. In vitro studies show that it is not toxic at concentrations of up to 100 μg/mL and does not cause irritation in skin or eye irritation tests.</p>

<p>Catechol diallyl ether is a potential use for the manufacture of vinyl alcohol, which has been shown to have a high reactivity with methoxy and triazine. Catechol diallyl ether can be synthesized from eugenol and allyl chloride. The activated biphenyl is then reacted with the silicon to form silicone. The silicon is then synthesized into diode.</p>

<p>3,5-Dimethyl-2-(ethoxycarbonyl)-4-pyrone is a drug product that has been used as an HPLC standard. It has been used in the development of new drugs, and is a metabolite of many drugs including amoxicillin. 3,5-Dimethyl-2-(ethoxycarbonyl)-4-pyrone is also an impurity in some pharmaceuticals, such as the antibiotic cefazolin. This compound was synthesized for use as a research and development chemical. The synthesis of 3,5-dimethyl-2-(ethoxycarbonyl)-4-pyrone is based on the reaction between 2-chloroacetophenone and ethyl formate with potassium hydroxide. 3,5-dimethyl-2-(ethoxycarbonyl)-4-pyrone is an analytical standard for impurities in API compounds.</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>(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>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>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>2,2'-Binaphthalene-6,6'-dicarboxylic acid is an analytical standard that can be used to measure the purity of a drug product. It has been shown to be a metabolite of a number of drugs that have been studied in metabolism studies. It is also used as an impurity standard for HPLC analysis and as an API impurity for drug development. 2,2'-Binaphthalene-6,6'-dicarboxylic acid is synthesized from natural or synthetic sources and is available in high purity.</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>Please enquire for more information about (4-Chlorophenyl)diphenylmethanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</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>Ticagrelor is a drug that is used for the prevention of stroke and death in people who have had a recent heart attack. The active ingredient in this drug is ticagrelor acetate, which is an impurity standard. Ticagrelor acetate selectively binds to the P2Y12 receptor on platelets and blocks the ADP-induced activation of the receptor, preventing platelet aggregation. This chemical has been shown to reduce thrombus formation and improve survival rates after a heart attack. TICAGRELOR ACETATE: Ticagrelor is a drug that is used for the prevention of stroke and death in people who have had a recent heart attack. The active ingredient in this drug is ticagrelor acetate, which is an impurity standard. Ticagrelor acetate selectively binds to the P2Y12 receptor on platelets and blocks the ADP-induced activation of the receptor,</p>

<p>Amoxicillin EP Impurity C is a metabolite of amoxicillin that is formed by oxidation. It can be used as an impurity standard for the detection of amoxicillin in HPLC and LC-MS analyses. Amoxicillin EP Impurity C has been found to be a natural metabolite of amoxicillin in human urine. This impurity also exhibits anti-inflammatory activity, which may be due to its ability to inhibit prostaglandin synthesis.</p>

<p>(R)-Sitagliptin rac-fumarate adduct is an analytical reference material and impurity standard. It is a natural product that is synthesized using a custom synthesis with analytical data available. The impurities of the synthetic process are well defined, with the exception of (1) an unknown peak at retention time 9.7 min and (2) a peak at retention time 12.5 min that may be due to the presence of fumaric acid or its derivatives. This product can be used for drug development research and development, as well as for establishing HPLC standards for pharmacopoeia testing.</p>

<p>5,6-Dehydro-tigecycline is a synthetic antibiotic that is used for the treatment of multi-drug resistant bacterial infections. 5,6-Dehydro-tigecycline binds to the 30S ribosomal subunit and blocks protein synthesis by inhibiting peptidyl transferase activity. This drug has been shown to be effective in treating methicillin resistant Staphylococcus aureus (MRSA) infections. 5,6-Dehydro-tigecycline also inhibits the growth of Mycobacterium tuberculosis and Mycobacterium avium complex, although it is not active against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex. Metabolism studies have shown that 5,6-Dehydro-tigecycline undergoes oxidative metabolism via CYP450 enzymes to form reactive metabolites like N2-[(</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>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>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>Lapatinib is a tyrosine kinase inhibitor that blocks the epidermal growth factor receptor (EGFR) and other tyrosine kinases. It is used in cancer treatment to inhibit tumor growth, with a high success rate. Lapatinib is also used to treat lung cancer and other types of cancer. The drug has been shown to inhibit EGFR phosphorylation in vitro, which leads to inhibition of cell proliferation and induction of apoptosis. Lapatinib also inhibits the expression of EGFR downstream target genes such as b-raf, serine/threonine-protein kinase, and cyp3a5.</p>

<p>Pramipexole EP Impurity C is a synthetic impurity that is used as an impurity standard in the manufacture of Pramipexole EP. It is also used as a research and development tool for drug product, custom synthesis, CAS No. 1973461-14-1, and analytical studies. This compound has been shown to be a metabolite of Pramipexole EP and may have pharmacological properties. Pramipexole EP Impurity C has been found to inhibit the growth of certain bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA) isolates.</p>

<p>3-Indoxyl β-D-galactopyranoside, 6-fluoro-3-indoxyl β-D-galactopyranoside, Tilmicosin, 3-Desacetylcefotaxime potassium, Gatifloxacin, Vortioxetine Impurity 19</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>Quetiapine hemifumarate is an antipsychotic drug that blocks receptors for dopamine, serotonin, and adrenergic neurotransmitters. It is used to treat schizophrenia and other disorders such as bipolar disorder. Quetiapine has been shown to be effective in clinical trials. The fumarate salt of quetiapine is the form of the drug that is used in these trials. Serum prolactin levels were found to be significantly lower in patients who received the fumarate salt than those who received a placebo. Quetiapine hemifumarate may potentiate the effects of other drugs by inducing their metabolism via CYP3A4 or CYP2D6 enzymes, which are also responsible for its own metabolism. This drug can interact with other drugs such as risperidone, olanzapine, and clozapine due to its atypical nature. Quetiapine hemifumarate has side effects</p>

<p>Olopatadine is an antihistamine that is used to treat allergic rhinitis and seasonal allergic conjunctivitis. It is an α-hydroxy acid metabolite of the arylacetic acid group. This drug has been shown to inhibit the metabolism of olopatadine in humans, which may result in reduced potency for this drug. Olopatadine hydrochloride is used as a standard for quantitative analysis by high performance liquid chromatography (HPLC) and can be used as an impurity standard for preparing synthetic olopatadine. It is also used in drug development and research, such as evaluating its pharmacological properties and investigating its potential role in treating other ocular conditions such as dry eye syndrome.</p>

<p>Rotogotine EP impurity G is an impurity of rotogotine EP. The compound is a synthetic material and has no known natural sources. Rotogotine EP impurity G has been shown to be stable in both acidic and basic conditions, and it will not react with water or alcohols. The compound can be used as an analytical standard for HPLC when there are no suitable standards available, or it can be used in the development of new drugs.</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>Please enquire for more information about Vildagliptin nitrosamine impurity 1 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Glycopyrrolate related B is a drug product that belongs to the class of drugs for research and development. It is a natural metabolite of glycopyrrolate and is used as an analytical standard. The metabolite can also be used as a synthetic intermediate or impurity standard in pharmaceutical production. It has been shown that glycopyrrolate related B has niche applications in drug development and metabolism studies. Glycopyrrolate related B is not found in the pharmacopeia, but it can be synthesized by reacting the corresponding amine with pyrrole-2-carboxaldehyde.</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>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>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>Simvastatin acid is the active form of simvastatin, a drug used to lower blood cholesterol levels. Simvastatin acid inhibits HMG-CoA reductase, the enzyme that converts HMG-CoA to mevalonate. This conversion is a rate-limiting step in the synthesis of cholesterol and other lipids. Simvastatin acid binds to polymerase chain and drug transporter proteins, which leads to cell lysis. The concentration–time curve for simvastatin acid is linear and the half-life is approximately 12 hours. When simvastatin acid is administered with drugs that are potent inducers of CYP3A4 or UGT1A1 enzymes, there may be an increased risk for drug interactions. Simvastatin acid has shown no significant human pharmacokinetic interactions with food or grapefruit juice at doses up to 200 mg/day. There are limited data on the pharmacokinetics of simvastatin</p>

<p>2',3'-Di-O-acetyl-5'-deoxy-5-fluorocytidine is a cytosine analog that is used as an industrial chemical. It is prepared by the reaction of 5'-deoxycytidine with acetic anhydride in the presence of sodium bicarbonate, followed by a purification procedure. 2',3'-Di-O-acetyl-5'-deoxy-5-fluorocytidine reacts with toluene and trifluoromethanesulfonic acid to form 2',3'-di-O-acetyl 5'-deoxyfluorocytidine. This compound can be converted to 5'-deoxyfluorocytosine by heating in the presence of sodium tetrachloride. The yield for this process is high.</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>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>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>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>Rifaximin Impurity H is a research and development product that is available for custom synthesis. It is characterized by its high purity, analytical results, and natural origin. Rifaximin Impurity H has been shown to be a metabolite of the drug rifaximin and may be an impurity standard for HPLC analysis. This custom synthesis can also be used in pharmacopoeia standards and as a research tool for drug development.</p>

<p>N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methylacrylamide is a cavity inhibitor that has inhibitory activity against polymerization. It also reacts with chloride and alkene, which can be used to synthesize an amide. N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-methylacrylamide is reactive and has a hydroxyl group, which can react with methyl sulfone in the environment. This agent has been shown to have anticancer activity in cell lines and tumor models.</p>

<p>Please enquire for more information about Mycophenolate mofetil EP Impurity C including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Salbutamol impurity L acetate salt is an analog of Salbutamol, which is a bronchodilator used to treat respiratory disorders such as asthma and chronic obstructive pulmonary disease (COPD). This impurity acts as an inhibitor of cyclin-dependent protein kinase, which plays a crucial role in regulating the cell cycle. It has been shown to have anticancer properties by inducing apoptosis in cancer cells. This compound has been tested on Chinese hamster ovary cells and human cancer cell lines, demonstrating potent inhibitory effects on kinases. Salbutamol impurity L acetate salt is commonly found in urine samples and can be used as a research tool for studying kinase inhibitors and their potential therapeutic applications.</p>

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

<p>(6S)-6-[Ethyl[2-(thiophen-2-yl)ethyl]amino]-5,6,7,8-tetrahydronaphthalen-1-ol is a synthetic compound with a molecular weight of 310.9 g/mol and CAS number 1369625-04-6. This product is an impurity standard for the HPLC analysis of the drug product in order to ensure the quality of the active pharmaceutical ingredient. The purity is &gt; 99% and the content is between 0.1% and 5%. (6S)-6-[Ethyl[2-(thiophen-2-yl)ethyl]amino]-5,6,7,8-tetrahydronaphthalen-1-ol has been shown to be metabolized in vitro by rat liver microsomes to 3-(2'-hydroxyethoxy)benzaldehyde (0.3%), 2-(4'-hydroxybut</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>Methotrexate-1-monomethyl ester is an impurity found in methotrexate, a drug used to treat cancer and autoimmune disorders. Methotrexate-1-monomethyl ester is a white to off-white crystalline solid that has been synthesized as a custom synthesis. It is used as an analytical standard for the determination of methotrexate in biological fluids and tissues. The chemical purity of this compound can be determined by HPLC, which allows for the identification of any impurities that may be present. Methotrexate-1-monomethyl ester is also used as a pharmacopoeia standard for methotrexate and its metabolites.</p>