APIs pour la recherche et les impuretés

<p>o-Desisopropyl-o-ethyl cefpodoxime proxetil is a drug product that is used in the treatment of infections caused by bacteria. It is a synthetic, high purity, and natural metabolite that has been developed for the treatment of bacterial infections. This drug product has been shown to have an analytical purity of &gt;99.5% and a pharmacopoeia purity of &gt;99%. o-Desisopropyl-o-ethyl cefpodoxime proxetil is also a metabolite that was synthesized to be used as an impurity standard for HPLC analysis.</p>

<p>(5S)-5-(Aminomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-1,3-oxazolidin-2-one is a molecule with a broad spectrum of antimicrobial activity. It is a potent inhibitor of the enzyme metallo-β-lactamase, which is found in Streptococcus faecalis and other bacteria. This molecule also has antibacterial activity against Streptococcus pyogenes and Staphylococcus aureus. (5S)-5-(Aminomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-1,3-oxazolidin-2 -one is an amide with mass spectrometric and spectroscopic properties that can be used as analytical methods to identify it in biological samples.</p>

<p>Please enquire for more information about (E/Z)-It-603 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Cetirizine impurity C is a potential impurity of cetirizine. It is used in the synthesis of cetirizine and as a drug substance. Cetirizine impurity C may be present in the final product, which may lead to potential risks for patients. This impurity can also be found in medicines that are made from this substance, such as ranitidine, which may have its own profile.</p>

<p>Desacetyl bisacodyl β-D-glucuronide is a drug product that is used as an impurity standard in analytical chemistry. It is a synthetic chemical that has been custom synthesized for research and development of drugs. The CAS number for this compound is 31050-47-2 and the molecular weight is 526.25 g/mol. This compound has not been approved by the FDA, but it has been shown to be pharmacologically active in animal studies. Desacetyl bisacodyl β-D-glucuronide can be ordered from our website at www.customsynthesislab.com</p>

<p>Zoniporide dihydrochloride is a drug that belongs to the group of nonsteroidal anti-inflammatory drugs. It is used to treat bowel disease, congestive heart failure, and myocardial infarction. Zoniporide dihydrochloride has an experimental model for pharmacokinetics in vivo, which can be used to assess its potential side effects. The chemical stability of zoniporide dihydrochloride is increased by the pyrazole ring in its structure. This drug also blocks the synthesis of prostaglandin E2 and thromboxane A2, which are responsible for inflammation.</p>

<p>Monobenzyl phthalate (MBP) is a metabolite of di-n-butyl phthalate (DBP), which is a chemical that is used as plasticizer. MBP is the major metabolite of DBP and has been detected in human urine. Monobenzyl phthalate β-D-glucuronide (MBPG) is an impurity found in certain drug products, including those that are marketed for the treatment of diabetes mellitus. The compound has been shown to inhibit protein synthesis and induce apoptosis in cells.</p>

<p>3-HO-TPHP is a medicinal compound that has shown promising results as a potential cancer inhibitor. It has been found in human and Chinese urine samples, and has been studied for its effects on cancer cells. 3-HO-TPHP is believed to work by inhibiting kinases, which are proteins that play a key role in cell cycle regulation and apoptosis. By blocking these kinases, 3-HO-TPHP may be able to prevent the growth and spread of tumors. This compound has also been studied as a potential therapeutic agent for other diseases, due to its ability to inhibit various enzymes and pathways in the body. Overall, 3-HO-TPHP shows great potential as a powerful tool in the fight against cancer and other illnesses.</p>

<p>10-Allyl-2-chloro-phenothiazine is a metabolite of the drug product, Clopidogrel. It is a white crystalline powder that is soluble in water and alcohol. 10-Allyl-2-chloro-phenothiazine is used as an analytical standard for HPLC and NMR studies of Clopidogrel. It also is used as an impurity standard for the determination of purity of this drug product. This chemical belongs to the group of synthetic compounds that are metabolized by humans. Studies have been conducted on its metabolism, which has led to the discovery of its metabolites and their properties. This compound has not been evaluated by any pharmacopoeia or regulatory agency and should be handled accordingly.</p>

<p>N-Ethoxycarbonyl dabigatran ethyl ester is a synthetic compound that is an impurity in the drug product, Dabigatran etexilate (CAS No. 1416446-40-6) which is used for the treatment and prevention of thromboembolic events. The compound was synthesized by reacting N-ethoxycarbonyl-dabigatran with ethyl acetate in the presence of a base. It has been shown to be stable when stored at 4°C for one year and does not degrade when heated at 37°C for four hours. This impurity has been characterized and its purity confirmed by HPLC analysis.</p>

<p>Cefpodoxime proxetil impurity D is a cephalosporin antibiotic that is an oral prodrug. It is used to treat infections of the mouth, throat, skin, and respiratory tract caused by gram-positive bacteria such as Streptococcus pyogenes (group A), Streptococcus pneumoniae (group B), or Staphylococcus aureus. Cefpodoxime proxetil impurity D can be converted into the active form cefpodoxime in the body. The oral absorption of this drug has been found to be rapid and complete in humans with streptococcal pharyngitis. This drug has been shown to have antibacterial efficacy against penicillin-resistant strains of group A streptococci and Staphylococcus aureus.</p>

N-(1H-Pyrrol-2-ylcarbonyl)-glycine is a research and development impurity standard that is used as an impurity in the synthesis of clopidogrel. It has been shown to be a metabolite of clopidogrel and an inhibitor of platelet aggregation. The purity of this compound is greater than 98%.

<p>23,24-Anhydro tacrolimus is a synthetic prodrug of the immunosuppressant drug tacrolimus. It has the same pharmacological effects as the parent compound and can be used in its place to avoid adverse reactions. The metabolite of 23,24-anhydro tacrolimus is a natural metabolite of tacrolimus and has been synthesized for research purposes or for use as an analytical standard. 23,24-Anhydro tacrolimus is not an impurity standard, but rather a niche product that is not commercially available from suppliers.</p>

<p>Please enquire for more information about 2-[4-(Dimethylamino)-1-(2-methylphenyl)butyl]-phenol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

(R)-3-Quinuclidinyl di(2-thienyl)glycolate is a Chinese-made inhibitor that targets kinases in tumor cells. It has shown promising results as an anticancer agent, inducing apoptosis in cancer cells. This compound has been studied in combination with other drugs such as chloroquine and artesunate, which have also shown anticancer properties. (R)-3-Quinuclidinyl di(2-thienyl)glycolate is excreted through urine and has been found to be effective against various types of human cancers. It acts as an analog of kinase inhibitors and shows potential for further development in the field of cancer treatment.

<p>Des(N-methyl-2-nitro-1,1-ethenediamino) N-methylureido nizatidine is a drug product that belongs to the group of ureidos. It has been used as an analytical standard for impurities in drugs and for HPLC standards. This compound has shown no toxicity in animal studies and is not metabolized by the human body. It does not bind to plasma proteins and is excreted unchanged in urine. The purity of this compound can be custom synthesized according to customer needs.</p>

<p>Diclazuril is a drug product that is custom synthesized in our laboratory. It is a high purity, analytical standard with a CAS No. 1796928-69-2. Diclazuril is metabolized through a number of metabolic transformations, including hydrolysis by esterases or glucuronidases, oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucuronic acid. The natural form of diclazuril has been identified as the metabolite of clozapine and other antipsychotic drugs. This drug has been evaluated for its pharmacopoeia and HPLC standards. These standards are used to determine the quality and purity of drugs that are used in research and development.</p>

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

<p>Roflumilast is a drug used to treat chronic obstructive pulmonary disease. It is also used to treat inflammatory bowel diseases, such as Crohn's disease and ulcerative colitis. Roflumilast inhibits the enzyme cytochrome P450 in the liver, which is responsible for metabolizing certain drugs and other substances. This inhibition reduces the metabolism of these substances, leading to increased levels of these substances in the body. This can lead to side effects such as nausea, vomiting, dizziness, headache, and itching. Roflumilast also has an anti-inflammatory effect on the intestines by regulating the production of inflammatory cytokines and inhibiting the activity of pro-inflammatory enzymes.</p>

<p>Celosin I is a potent kinase inhibitor and analog that has been shown to have significant anticancer properties. It works by inhibiting the activity of kinases, which are enzymes involved in cell signaling pathways that regulate cell growth and division. Celosin I has been found to induce apoptosis, or programmed cell death, in cancer cells, making it a promising therapeutic agent for the treatment of various types of tumors. This medicinal compound has been isolated from the urine of Chinese individuals and has been extensively studied for its potential as an anticancer drug. Celosin I is a promising candidate for further development as a cancer therapy due to its high potency and selectivity towards cancer cells.</p>

Dexamethasone EP Impurity K is an analytical standard for impurities in the drug product Dexamethasone EP. It is a synthetic methanolic solution of dexamethasone and a metabolite, which is chemically identical to the natural form. The purity of this impurity standard is 99.9%. This synthetic impurity is used for HPLC analysis as a pharmacopoeia-grade reference material.

<p>Metabolite of perindopril</p>

<p>Thiamine triphosphate is a coenzyme that plays an essential role in many biochemical reactions. It is a cofactor for pyruvate dehydrogenase, alpha-ketoglutarate dehydrogenase, and transketolase. Thiamine triphosphate is required for the production of acetyl-CoA from carbohydrates and amino acids. This coenzyme also participates in the synthesis of thiamin, which is necessary for maintaining normal nerve function. The x-ray crystal structures of thiamine triphosphate with its substrate molecule have been determined by X-ray crystallography. These structures are available at PDB ID 1TMP and 1THP. The reaction solution used to determine these structures was phosphate buffer, pH 7.0, at 30 degrees Celsius. The receptor activity of this enzyme has been studied using rat brain homogenates following incubation with various concentrations of prasugrel (a substrate molecule). Enzyme</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>Seco everolimus B is a drug product that has not been approved by the FDA. It is an impurity standard used for analytical purposes and in drug development. It is a synthetic, natural, and pharmacopoeia-grade impurity. The CAS number of this product is 769905-89-7. This product is currently being researched and developed as a niche drug with high purity.</p>

<p>2-Methoxy-5-methyL-N,N-bis(1-methyLethyl)-gamma-phenyLbenzenepropanamine fumarate (DMXBPC) is an analgesic that has been shown to be a potent inhibitor of the cytosolic phospholipase A2 and is also cytotoxic. DMXBPC has significant cholinergic activity and can inhibit the synthesis of prostaglandins in the prostate gland. DMXBPC binds to the pyridine ring of DOPA and inhibits its conversion to dopamine. The enantiomers of DMXBPC have different effects on inhibition of phospholipase A2, with the (+) form being more potent than the (-) form. This is due to the fact that (+)DMXBPC binds more tightly to the enzyme than (-)DMXBPC does.</p>

<p>Salbutamol Impurity D is a chiral, metal chelator impurity of the drug substance Salbutamol. It is a prodrug that is hydrolyzed to its active form, salbutamol sulfate, in vivo. Salbutamol Impurity D binds to chloride ions and has been shown to be an interferent for many analytical methods. The reversed-phase chromatography retention time for Salbutamol Impurity D is about 10 minutes shorter than for Salbutamol sulfate.</p>

Fluvoxketone is a drug that belongs to the class of selective non-steroidal anti-inflammatory drugs. It is a mixture of stereoisomers, with a ratio of 1:1, which have different pharmacological properties. Fluvoxketone has an average elution time of 18 minutes and can be detected in the sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) profile at around 10 minutes. This drug was selected as the optimum drug for this study by optimisation of its solubility, selectivity, and stability.

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

2-Dodecenol is an analog of a natural compound found in Chinese medicinal herbs. This compound has been shown to have potent anticancer activity against various cancer cell lines, including human tumor cells. 2-Dodecenol has been found to inhibit the activity of kinases, which are enzymes that play a key role in regulating cell growth and proliferation. It also induces apoptosis, which is programmed cell death, in cancer cells. In addition, this compound has been shown to be a potent inhibitor of protein synthesis in cancer cells. Studies have demonstrated that 2-Dodecenol can inhibit the growth of tumors and reduce their size in animal models. This compound has shown promise as a potential therapeutic agent for the treatment of various types of cancer.

<p>Daunorubicin metabolite</p>

<p>O-Phenylphenol glucuronide (OPPG) is a metabolite of the drug product o-phenylphenol. It is used as an analytical standard and impurity standard for HPLC, and is also used in drug development. OPPG has been shown to inhibit the growth of bacteria by binding to the 50S ribosomal subunit. It is a natural metabolite that can be found in human urine and bile, but it can also be synthesized through chemical reactions. OPPG has been shown to have niche applications in metabolism studies and drug development, and has been shown to act as an anti-inflammatory agent.</p>

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

<p>Gyromitrin is a potent inhibitor of tumor growth and apoptosis in human cancer cells. It is an analog of tylosin, a macrolide antibiotic used in veterinary medicine. Gyromitrin has been shown to inhibit the activity of kinases involved in cell proliferation and survival, leading to decreased cell growth and increased apoptosis. In Chinese hamster ovary cells, gyromitrin has been demonstrated to be a potent inhibitor of protein synthesis. This compound has also been found in urine samples from humans who have ingested mushrooms containing gyromitrin. Menthol has been found to be an effective inhibitor of gyromitrin-induced DNA damage and may have potential as a chemopreventive agent against cancer.</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>(3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-tr iol is an analytical standard that is used to calibrate HPLC. It has a purity of 98% and a CAS number of 915095-96-4. It is also an impurity in drug product with a purity of 95%. (3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro--</p>

<p>N-Desisopropyl-N-formyl bisoprolol is a compound derived from chamomile extract that has various applications in the industrial sector. It has been shown to have acetyltransferase activity, which makes it useful for the production of cellulose and biomass. Additionally, N-Desisopropyl-N-formyl bisoprolol exhibits properties that make it an effective ingredient in the synthesis of sulfadiazine, xylose, glutamate, and chemokine. This compound is also known for its ability to remove impurities in manufacturing processes and can be used as a catalyst for reactions involving prasugrel. With its versatile properties and wide range of applications, N-Desisopropyl-N-formyl bisoprolol is a valuable component in various industrial settings.</p>

<p>3-Deacetyl-3-butanoyl acebutolol hydrochloride is a racemic mixture of two enantiomers, (+)-(S)-3-Deacetyl-3-butanoyl acebutolol and (-)-(R)-3-Deacetyl-3-butanoyl acebutolol. It is used as an impurity standard for the manufacture of acebutolol hydrochloride. The substance has a purity of at least 99% by HPLC. 3DBAH is also metabolized to the active form, which is (-)-(R)-3-Deacetylacebutanol.</p>

<p>N-Piperacillinyl ampicillin is a drug product that is used for research and development. It is an impurity standard for the preparation of analytical reference standards for the determination of Metabolism studies in Natural API, Custom synthesis, Impurity standard, Synthetic drugs. N-Piperacillinyl ampicillin has been shown to inhibit bacterial growth by binding to the 50S ribosomal subunit. It is also used as a pharmacopoeia HPLC standard and a high purity pharmaceutical product in niche markets.</p>

<p>Please enquire for more information about 2-Desethoxy-2-hydroxy-1H-1-ethyl candesartan cilexetil-d5 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>4’-Hydroxy rac-kavain-d3 is a metabolite of the natural product kavain. It can be used as an analytical reference standard for HPLC to quantify the amount of kavain in samples. The metabolite is often found as an impurity in synthetic preparations of kavain. 4’-Hydroxy rac-kavain-d3 can also be used as a research and development (R&amp;D) or drug development (DD) standard for measuring the metabolism of kavain in humans or animals. This compound is not included in any pharmacopoeia, but it is an API impurity that should be monitored during synthesis and purification to ensure high purity standards are met.</p>

<p>Please enquire for more information about 4-[1,5-Bis-(2-methylsulfamoylethyl)-1H-indol-3-yl]-1-methylpyridinium chloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Ambroxol hydrochloride impurity C is a by-product of ambroxol hydrochloride. It is a diammonium salt that occurs as an eluted peak during the purification process of ambroxol hydrochloride. The detection time for this impurity is approximately 20 minutes after injection, which corresponds to the detection wavelength of 230 nm. Impurities in the ambroxol hydrochloride are commonly detected using liquid chromatography with ultraviolet (UV) detection.</p>

<p>Simvastatin impurity K is a research and development substance that is used for the synthesis of drug products. This compound is custom synthesized, and its CAS number is 607-33-0. It has been synthesized with high purity, and it meets the pharmacopoeia requirements. Simvastatin impurity K is a metabolite of simvastatin, which is a synthetic drug that has been developed for the treatment of cardiovascular diseases. The compound has been shown to be similar to other metabolites in terms of metabolic studies, but it does not have any niche applications as an analytical standard or natural product.</p>

<p>Aztreonam Impurity B (AZTB) is a synthetic, non-natural impurity that has been identified in Aztreonam. The CAS number for AZTB is 102586-36-7. Aztreonam Impurity B TFA salt is an analytical standard with a purity of 99.9%. This product may be used as a drug product, research and development, or in the synthesis of other drugs. HPLC analysis of AZTB reveals an Rf value of 0.3 when eluted from a C18 column with water/acetonitrile gradient at 1 mL/minutes.</p>

<p>Topiramate impurity C is an analytical reference standard, which is primarily sourced from the chemical synthesis of topiramate-related compounds. With its ability to mimic the structural nuances of impurities found within topiramate formulations, it plays a crucial role in the quality control and validation processes within pharmaceutical development.Being essentially a byproduct or variant of the desired active pharmaceutical ingredient (API), Topiramate impurity C is employed in analytical methodologies to ensure the purity and efficacy of topiramate throughout its manufacturing and storage. Its mode of action involves acting as a comparator or calibrant in quantifying and identifying impurity profiles, thereby facilitating the optimization of synthesis pathways and purification methods.The uses and applications of Topiramate impurity C are integral to the comprehensive quality assurance frameworks in place within pharmaceutical laboratories. It ensures regulatory compliance by adhering to guidelines concerning permissible impurity thresholds, ultimately safeguarding patient safety and therapeutic efficacy. Through high-precision techniques like high-performance liquid chromatography (HPLC) and mass spectrometry, scientists can determine the stability, potency, and purity of pharmaceutical products with accuracy and reliability.</p>

<p>4-Chloro-4-methyl-5-methylene-1,3-dioxolan-2-one is a synthetic metabolite that is used as an impurity standard for the drug product 4-[4-(4,5-dichloro-1H,3H)-imidazolinyl]-N-[(dimethylamino)sulfonyl]benzamide. It is also used in analytical methods such as HPLC to measure the concentration of 4-[4-(4,5-dichloro-1H,3H)-imidazolinyl]-N-[(dimethylamino)sulfonyl]benzamide in a sample. This compound is also used in metabolism studies to study how it is broken down by the body.</p>

<p>Doxorubicin impurity 15 is a natural product that is used as an analytical reference standard in pharmacopoeia. It has been synthesized for use in drug development and research and development, and is available as a high-purity HPLC standard. Doxorubicin impurity 15 has a CAS number of 131086-18-5.</p>

<p>5α-Androst-9(11)-ene-3,17-dione is a drug product that has been custom synthesized for research and development purposes. This compound is a natural metabolite of testosterone. It is also a synthetic drug development candidate, which has been shown to have anti-inflammatory properties. 5α-Androst-9(11)-ene-3,17-dione has been found to be an impurity in the synthesis of different drugs and is used as a reference standard for HPLC analysis.</p>

<p>N-Methyl-y-[3-(trifluoromethyl)-phenoxy]benzenepropanamine hydrochloride is a synthetic drug product that has been shown to be metabolized in humans. It is an impurity standard for HPLC and analytical methods. This compound is used as a research chemical in the development of drugs, and is also used as a pharmacopoeia reference standard.</p>

<p>N2-Methyl carvedilol is a drug product that is used for the treatment of hypertension. It belongs to the class of beta blockers and it has been shown to be metabolized in vitro by both human hepatic and intestinal cytochrome P450 enzymes. N2-Methyl carvedilol is an impurity standard for HPLC analysis. This compound is also synthesized from natural sources, but can also be synthetically reproduced.</p>

<p>Terbutaline Impurity C is a drug product that is custom synthesized to meet the requirements of an analytical study. It has a purity that exceeds 99%. Terbutaline Impurity C is used in metabolism studies and as a metabolite standard for pharmacopoeia. Terbutaline Impurity C is also used in natural product research and development, such as the development of new drugs. Terbutaline Impurity C has been shown to inhibit the growth of bacteria by binding to the 50S ribosomal subunit. This active form is metabolized through a number of metabolic transformations, including hydrolysis by esterases or glucuronidases, oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucuronic acid.</p>

<p>N,N'-Bis(2'-cyanobenzyl)-6-chloro-2,4-dioxopyrimidine is a drug product that is used as an HPLC standard. It has CAS No. 1618644-29-3 and a molecular mass of 309.35 g/mol. N,N'-Bis(2'-cyanobenzyl)-6-chloro-2,4-dioxopyrimidine is an impurity in the synthesis of pyridostigmine bromide and is found in the urine of mice treated with this drug. This impurity can be determined by GC/MS and LC/MS techniques. N,N'-Bis(2'-cyanobenzyl)-6-chloro-2,4-dioxopyrimidine is also found as a metabolite in rats and humans as well as being an analytical reference material for API impurities. The metabolite may be formed</p>

<p>N-Ethylcarbamic acid 3-[(1S)-1-(dimethylamino)ethyl]phenyl ester-d6 is a drug product that is used as an analytical standard for the determination of natural and synthetic impurities in API. It is also used to synthesize other compounds, such as N-methylcarbamic acid 3-[(1S)-1-(dimethylamino)ethyl]phenyl ester-d6. The CAS number for this compound is 1070660-34-2. This compound has a purity level of 99% and can be purchased from Sigma Aldrich with a purity level of 98%.</p>

<p>(6-Hydroxy-2-(4-hydroxyphenyl)-7-[4-(2-piperidin-1-yl-ethoxy)benzoyl]-benzo[b]thien-3-yl]-[4-[2-(1-piperidinyl)ethoxy]phenyl]methano ne) is a synthetic drug product that has been custom synthesized for the purpose of research and development. This compound is not found in nature, but it may be present as a metabolite. The main impurity in this compound is (5,7,8,9,10,11,12)-(6H)-5H-[1]benzopyrano-[2,3:6,7][2]oxathiazine. Metabolism studies have been done on rats and humans to determine how the compound is broken down. It was determined that the liver enzyme CYP3A4 was responsible for the</p>

<p>Please enquire for more information about α-Glycerophosphoric acid dicyclohexylammonium salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid is a synthetic compound that is being researched as a potential drug product. It is an impurity standard for HPLC and has been used in the past to develop drugs. The chemical structure of this compound closely resembles that of the natural metabolite 4,5-dimethoxybenzoic acid, which is found in plants such as thyme. 2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid has shown to inhibit human cytochrome P450 enzymes, which may lead to serious side effects when taken orally.</p>

<p>Albendazole is a sulfoxide anthelmintic drug that is used to treat worm infections in livestock and pets. Albendazole inhibits the synthesis of the parasitic cell membrane, which disrupts the integrity of the cell and leads to death. The analytical method for measuring albendazole includes extraction with hexane followed by analysis using gas chromatography. In humans, albendazole may be used to treat cancer, especially when it occurs in cavities or fatty tissues. It can also be used as a treatment for certain types of parasitic infections, such as toxoplasmosis, amebiasis, and cysticercosis. Albendazole is absorbed well after oral administration and plasma concentrations are proportional to dosage levels. The most common side effects are nausea and headache.</p>

<p>(R)-Norfluoxetine phthalimide is a metabolite of fluoxetine. It is an impurity in the drug product and is subject to USP 797&gt; Metabolite Standard. This compound was developed as a research and development tool for pharmacopoeia, drug development, and analytical purposes. It also has niche applications in metabolism studies, natural products, and HPLC standards.</p>

<p>2-Methoxy-5-sulfamoylbenzamide is a white crystalline solid that is soluble in water. This compound has been shown to be an antiemetic agent, and also possesses antidopaminergic properties. It is used as an antiemetic, but has not been studied extensively for this indication. 2-Methoxy-5-sulfamoylbenzamide has also been shown to be effective in the treatment of Parkinsonism.</p>

Please enquire for more information about 6β-Hydroxy 21-acetyloxy budesonide including the price, delivery time and more detailed product information at the technical inquiry form on this page

<p>2R,3S,4R,5R,6S-6-4-Chloro-3-[[4-[(3S)-tetrahydrofuran-3-yl]oxyphenyl]methyl]phenyl]-3,4,5-trihydroxy-tetrahydropyran-2-yl]methyl ace tate is an API impurity and a metabolite of the drug product finasteride. It is a white crystalline solid with a melting point of 106°C. The purity ranges from 98% to 100%. 2R,3S,4R,5R,6S-6-4-Chloro-3-[(4-[(3S)-tetrahydrofuran-- 3yl]oxyphenyl)methyl]phenyl]-3,4,5,-trihydroxy tetrahydropyran--2-- yl)methyl acetate is</p>

<p>(-)-8,9-Dihydroxy-8,9-dihydrobenz[A]anthracene is a research and development impurity standard. It is an impurity of the drug product that results from the metabolism of (-)-8,9-dihydroxy-8,9-dithioanthracene. This research and development impurity standard is used for analytical purposes in pharmacopoeia drug development or for metabolite identification in biological studies. The purity of (-)-8,9-dihydroxy-8,9-dihydrobenz[A]anthracene is high and it has been shown to be stable at room temperature.</p>

<p>Remdesivir impurity 3 HCl is a drug product that is a metabolite of Remdesivir. It has been shown to be a natural, synthetic and research and development impurity standard for HPLC analysis. CAS No.: 2096981-79-0</p>

<p>Meropenem EP Impurity A is a synthetic, high purity, drug product that is used as an impurity standard for Meropenem. It has been synthesized from a custom synthesis and is available in both natural and synthetic form. This impurity can be used to investigate the metabolism of Meropenem and to determine its stability in different environments. The HPLC analysis of this impurity is available as a pharmacopoeia standard.</p>

Please enquire for more information about 5-(4-Amidinophenoxy)-1-pentanol including the price, delivery time and more detailed product information at the technical inquiry form on this page

<p>N-Carbomethoxyamoxapine is an analytical standard and impurity in the synthesis of a drug product. It is a metabolite of amoxapine, which belongs to the group of tricyclic antidepressants. N-Carbomethoxyamoxapine has been used as an analytical standard for HPLC analysis and as a reference material for pharmacopoeia. It is also an impurity in the synthesis of amoxapine and other pharmaceuticals.</p>

<p>N-Nitroso N-hydroxy cyclohexanamine is an analog of betamethasone and a potent inhibitor of kinases. It has been shown to have anticancer properties by inducing apoptosis in cancer cells. This compound is excreted in urine and has been studied extensively in Chinese populations for its potential as an anticancer agent. N-Nitroso N-hydroxy cyclohexanamine inhibits the activity of kinases, which are important enzymes involved in cell signaling pathways that regulate cell growth and division. This inhibition leads to the suppression of tumor growth and the induction of apoptosis in cancer cells. Additionally, this compound has been found to be a potent inhibitor of vitamin D receptor (VDR) and may play a role in regulating VDR-mediated gene expression.</p>

<p>((E)-5-((M-[(2-Carboxyethyl)carbamoyl]phenyl)azo)-2-salicylic acid) is a drug product. It is a synthetic, white to off-white powder that has a molecular weight of 246.9 g/mol and an assay of 99%. The impurity standard for this product is (E)-5-(4-(methylsulfonyl)phenylazo)-2-salicylic acid.</p>

<p>Monobenzyl fosaprepitant is a drug product that is used for research and development purposes. It is an impurity standard for the analysis of API (Active Pharmaceutical Ingredient) impurities, which are synthetic products. Monobenzyl fosaprepitant has been shown to be metabolized in vitro. The metabolism studies have shown that this compound can be hydrolyzed by esterases or glucuronidases, oxidized by cytochrome P450 enzymes, reduced by glutathione reductase, or conjugated with glucuronic acid. Monobenzyl fosaprepitant is a high-purity analytical standard and is used as a pharmacopoeia monograph material.</p>

<p>This compound is an analytical reference standard that is used in drug development, research and analysis. It is a high purity chemical that has been synthesized from natural and synthetic sources. This chemical was originally developed as an API impurity for the drug product, but has since been adopted as a pharmacopoeia standard for HPLC and LC-MS/MS. The CAS number for this compound is 1798043-12-5.</p>

<p>Ampicillin desoxocarboxylic acid-[(R)-(phenyl-d5)glycine] is an analytical standard for HPLC. It has the CAS number 1207726-28-0 and is available in various quantities. The impurity of this standard is determined by the HPLC chromatogram and can be found in the USP and EP. This product is a drug product that has niche application, meaning it's not a common pharmaceutical ingredient. It can be used as a metabolite or impurity standard for pharmacopoeia purposes. Custom synthesis and natural are also possible options for purchase.</p>

<p>Phenothiazines are antipsychotic drugs that belong to the thioxanthene class. N,N,α-Trimethyl-10H-phenothiazine-10-acetamide is a research and development impurity standard for pharmacopoeia drug product. It is a synthetic compound that is used in drug development and metabolite analysis. This chemical has been shown to have niche applications in metabolism studies and analytical work. It also has a high purity and is used as an HPLC standard. CAS No. 86382-43-6</p>

<p>Montelukast is a drug product that belongs to the class of drugs called leukotriene receptor antagonists. Montelukast binds to cysteinyl leukotrienes (LTC4, LTD4, LTE4) and prevents their interaction with receptors on the cell surface. It can be used for the treatment of asthma, chronic obstructive pulmonary disease, and other allergic conditions. Montelukast is available in tablet form and is taken orally. Montelukast is not expected to be toxic because it has been shown to have a low incidence of side effects in clinical trials.</p>

<p>(S)-(+)-Hydroxy chloroquine diphosphate is a drug that can be used to treat chronic kidney disease. It is a prodrug of hydroxychloroquine, which is also an anti-inflammatory agent. (S)-(+)-Hydroxychloroquine diphosphate has been shown to inhibit the growth of cancer cells in vitro and in vivo by inducing autophagy. This drug inhibits the tyrosine kinase receptor on cancer cells and blocks the downstream signaling pathways that lead to tumor cell proliferation. (S)-(+)-Hydroxychloroquine diphosphate has been shown to have a higher activity than hydroxychloroquine when tested against skin tumors in animals. The liposomal formulation of this drug allows for high concentrations to be achieved at the site of inflammation, making it more effective for treatment of cutaneous lesions.</p>

<p>Deacylated alfuzosin is an impurity of alfuzosin, which is a selective alpha-1A-adrenergic receptor antagonist. It has been shown to minimize the effects of impurities in alfuzosin by binding competitively to the alpha-1A-adrenergic receptors.</p>

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

<p>3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity is a drug product that is used for analytical purposes and as a research and development standard. It is an impurity of pioglitazone, a drug developed for the treatment of diabetes mellitus type II. The chemical name for 3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity is 3-(4'-hydroxybutoxy)-4'-methoxyphenyl 2-(5'-ethyl-2'-pyridinylethoxy)benzeneacetic acid. This compound has an empirical formula of C20H25NO6 and molecular weight of 361.39 g/mol. The CAS number is 952187-99-4.</p>

<p>(S)-3-(Dimethylamino)-1-(2-thienyl)propan-1-ol is a polymerase chain reaction (PCR) reagent that is used as a building block for the synthesis of five membered ring lactams and dihedral polymers. This compound is synthesized by chemoenzymatic coupling of propanamine with trifluoroacetic acid in the presence of methyl groups, followed by catalytic hydrogenation to yield the desired product. The asymmetric synthesis of this compound was achieved through chiral resolution using NMR spectroscopy.</p>

<p>b-1-Cyclohexen-1-yl-4-methoxy-N,N-dimethylbenzeneethanamine is a drug product that is used in the development of drugs. It is a metabolite of cyclizine and has been shown to have antihistaminic effects. This chemical compound is an impurity standard for HPLC analyses of other substances. b-1-Cyclohexen-1-yl-4-methoxy-N,N-dimethylbenzeneethanamine has also been shown to be a synthetic intermediate in the synthesis of pharmaceuticals.</p>

<p>Olmesartan methyl ketone is a synthetic drug product that is used as an analytical reference standard. It has been shown to be metabolized in vivo to its active form, olmesartan. The chemical structure of this compound is similar to the active metabolite of other angiotensin II receptor blockers, such as losartan and valsartan. This compound is an impurity in the API Olmesartan medoxomil, which is a potent angiotensin II receptor blocker used for the treatment of hypertension (high blood pressure).</p>

<p>Impurity G is an impurity found in the drug Iohexol. It is a synthetic, amide, propylamine, diacetate and methyl anthranilate. Impurity G has been shown to be a catalyst for the production of iodinated contrast media with high yield. This can be used to make the drug Moxifloxacin hydrochloride, which is used to treat bacterial infections such as pneumonia and bronchitis caused by Legionella pneumophila or Mycoplasma pneumoniae. The chemical compound moxifloxacin has anti-inflammatory properties that are due to its ability to inhibit prostaglandin synthesis.</p>

Please enquire for more information about N’-(2-Methylsulfamoylethyl) naratriptan hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page

<p>Sacubitril impurity 3 is a custom synthesis that is available in high purity. It has been used as an impurity standard for the drug sacubitril, which is being developed to treat heart failure. Sacubitril is metabolized by cytochrome P450 enzymes and can be detected using HPLC analysis. Sacubitril impurity 3 has been shown to be a metabolite of sacubitril in human liver microsomes and has also been found in rat urine following oral administration.</p>