APIs pour la recherche et les impuretés

Rac-1-Hydroxy ketorolac methyl ester is a drug product that is a racemic mixture of 1-hydroxy ketorolac (1HKO) and its hydroxy metabolite, ketorolac. Rac-1-Hydroxy ketorolac methyl ester is used in the manufacture of HPLC standards for analytical purposes. It is also used as an impurity standard. Rac-1-Hydroxy ketorolac methyl ester has been developed to study the metabolism of racemic 1HKO. This drug product has been shown to be chemically pure and free from any significant impurities. Rac-1-Hydroxy ketorolac methyl ester can be obtained with high purity, which meets the requirements of pharmacopoeia specifications.

<p>Olaparib impurity 15 is an analytical reference standard for the drug Olaparib, which is used in cancer treatments. It is a high-purity, HPLC-grade material. This impurity has been shown to be a metabolite in rat urine and human plasma. The CAS number for this compound is 2250243-17-3. Impurity 15 can also be used as an impurity standard for Olaparib and other drugs that contain it.</p>

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Ivacaftor is a drug product that is used for the treatment of cystic fibrosis. It is an active ingredient of Kalydeco, which is a combination therapy to treat cystic fibrosis. Ivacaftor is the first FDA-approved drug for the treatment of CF in patients with specific mutations. The metabolism of ivacaftor has been studied by analytical methods and it has been shown to have natural impurities. The API impurity and synthetic impurity standards are available for custom synthesis and can be ordered from a specialty manufacturer. Ivacaftor requires high purity and pharmacopoeia-grade standards for research and development as well as niche markets, such as HPLC standard or high purity.

<p>Fosfomycin trometamol EP impurity A disodium is a research and development impurity standard. It is a custom synthesis that is used as a drug product, synthetic, high purity, pharmacopoeia, drug development, metabolite, niche, analytical and natural. Fosfomycin trometamol EP impurity A disodium has been shown to have an HPLC standard and CAS No. 84954-80-3(free base).</p>

<p>CAS No. 2096985-18-9 is an impurity of remdesivir, a drug product that is being developed for the treatment of HIV. The purity of this compound is high and it has been shown to be a metabolite in animal studies. Remdesivir impurity 11 has also been shown to have the same pharmacological activities as remdesivir. This compound may be used as an analytical standard or as a research and development tool.</p>

<p>Alpha-Desmethyl anastrozole is a synthetic chemical that has been used as an impurity standard for the drug product, Anastrozole (Arimidex). This compound is metabolized in humans and is a metabolite of Arimidex. Alpha-Desmethyl anastrozole exhibits high purity and can be synthesized using custom synthesis. The CAS number for this compound is 1215780-15-6.</p>

<p>Tetramethyl-5-bromomethyl-1,3-benzenediacetonitrile (TMBDAC) is an impurity standard and a metabolite of the drug product. It is an analytical standard for HPLC. Tetramethyl-5-bromomethyl-1,3-benzenediacetonitrile is a high purity research and development chemical that can be custom synthesized to meet specific needs. This synthetic compound has shown potential as a niche metabolite in metabolism studies. CAS No. 120511-84-4.</p>

Tortoside A is a potent inhibitor of protein kinases and has been found to have anticancer properties. It is an analog of a compound originally isolated from a Chinese medicinal plant. Tortoside A has been shown to induce apoptosis in cancer cells by inhibiting the activity of specific kinases that are involved in tumor growth and progression. This compound has also demonstrated promising results as an anticancer agent, with studies showing its ability to inhibit the growth of various human cancer cell lines. Tortoside A can be detected in urine, making it a potential biomarker for monitoring cancer treatment efficacy. Its unique properties make it an exciting candidate for further research and development as a potential cancer therapy.

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Guaimesal is a protein analog that acts as an inhibitor of tumor growth and induces apoptosis in human cancer cells. It has been shown to inhibit the activity of kinases, including cyclin-dependent kinases, which play a key role in regulating cell division. Guaimesal has been isolated from Chinese urine and has demonstrated potent anticancer activity both in vitro and in vivo. This compound shows promise as a novel therapeutic agent for the treatment of cancer.

<p>Amoxicillin EP Impurity G is an impurity of Amoxicillin. It is a white to off-white crystalline powder with a melting point of 178 °C. The compound is soluble in alcohol, chloroform, ether, and acetone. This product can be used as an analytical standard for the drug development, niche drug product, or custom synthesis of the drug. Impurity G has been shown to have pharmacopoeia purity and natural origin. It can also be used as an impurity standard for HPLC analysis and pharmaceutical testing.</p>

<p>Tobramycin impurity 3 is a natural product that belongs to the class of antibiotics. It is an impurity in the drug tobramycin, which is used for the treatment of respiratory tract infections. Tobramycin impurity 3 has been shown as a major metabolite of tobramycin by HPLC and GC-MS. The chemical structure is not known, but it has been identified as a metabolite based on its similarity to other metabolites. Metabolism studies are required to elucidate the metabolic pathway and identify the enzyme responsible for its formation.</p>

Dihydrocephalomannine is a natural product that is used as a reagent in the synthesis of other molecules. It can be found in plants such as Taxus brevifolia, which contains the molecule taxol. Dihydrocephalomannine is synthesized by benzoylation and hydroxylation of dihydrobenzofuran. The molecule has been shown to have cytotoxic activity against human ovarian cancer cells, but its mechanism of action is not yet known.

<p>Liotrix is a drug that acts as an inhibitor of apoptosis and has been shown to have anticancer properties. It is derived from Chinese urine and works by inhibiting kinase activity, which is essential for the survival of cancer cells. Liotrix is an analog of quetiapine, a drug used to treat schizophrenia and bipolar disorder, and has been found to be effective against various types of tumors in human cancer cell lines. This drug specifically targets kinases, which are enzymes involved in the regulation of cellular processes such as growth and differentiation. By inhibiting these kinases, Liotrix can prevent the proliferation and survival of cancer cells, making it a promising candidate for the treatment of various forms of cancer.</p>

Kaempferol di-O-methoxymethyl ether is a natural product that has been identified as a metabolite of kaempferol. It is an API impurity in the drug product and can also be found in the synthesis of kaempferol. Kaempferol di-O-methoxymethyl ether is a synthetic compound that can be used for drug development, research and development, and analytical purposes. It is an HPLC standard for pharmacopoeia.

<p>Lysolecithin is an analog of the phospholipid lecithin that has been shown to have anticancer properties. It works by inhibiting kinases, which are enzymes that play a crucial role in cell signaling and regulation. Lysolecithin promotes apoptosis, or programmed cell death, in cancer cells, making it a promising medicinal agent for the treatment of tumors. Studies have also shown that lysolecithin can inhibit protein kinase activity in human urine and inhibit the growth of cancer cells in Chinese hamsters. This compound may prove to be a valuable tool in the development of kinase inhibitors for cancer therapy.</p>

Mycophenolic acid lactone (MPA) is an analytical standard for HPLC, used as a reference material in drug development. It is also a metabolite of mycophenolate mofetil and mycophenolic acid, which are used to treat immunodeficiency disorders. MPA is not active by itself but it can be converted into the active form, mycophenolic acid, by esterases. MPA has been shown to have anti-inflammatory activities and can inhibit the production of prostaglandins in animals. Mycophenolic acid lactone is a metabolite of drugs that are used for the treatment of immunodeficiency disorders, such as mycophenolate mofetil and mycophenolic acid. The chemical structure of MPA is closely related to that of these drugs and it has been shown to have similar anti-inflammatory properties in animal studies.

<p>5-O-Desethyl amlodipine is a metabolite of amlodipine. It has been used as an analytical reference standard for the determination of amlodipine and its metabolites in human plasma and urine. 5-O-Desethyl amlodipine has been reported to be excreted in human breast milk at a concentration that is about 20% of that found in maternal plasma. The drug product is manufactured by HPLC and is classified as a high purity pharmaceutical drug, which means it is free from extraneous substances such as other drugs, proteins, or bacteria.</p>

<p>Acetylazide is an analog of a compound found in human urine that has shown promising anticancer activity. It is a potent inhibitor of protein kinases, which are enzymes involved in the regulation of cell growth and division. Acetylazide has been shown to induce apoptosis (cell death) in cancer cells, particularly those associated with thyroid cancer. This compound has also been tested in Chinese hamster ovary cells and has demonstrated a high degree of selectivity for tumor cells over normal cells. Acetylazide may be a promising candidate for the development of new anticancer drugs.</p>

<p>Celecoxib hydrazine is an inhibitor of protein kinases that has been shown to have anticancer properties. It is an analog of celecoxib, a non-steroidal anti-inflammatory drug (NSAID) that is commonly used to treat pain and inflammation. Celecoxib hydrazine has been shown to induce apoptosis in human cancer cells and inhibit the growth of tumors in mice. This compound has potential as a medicinal agent for the treatment of cancer, and urine samples from Chinese patients with cancer have been found to contain high levels of this compound. Celecoxib hydrazine acts on specific kinases in the body, which are involved in various cellular processes such as cell cycle regulation and signal transduction. Its ability to selectively inhibit these kinases makes it a promising candidate for targeted therapy against cancer.</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>

Lorcaserin is a selective 5-HT2C receptor agonist, which is used for the treatment of obesity. It has been shown to be effective in clinical studies as a weight loss drug. Lorcaserin acts on the serotonin system in the human body by activating the 5-HT2c receptors, which are located in cells with high levels of serotonin. Lorcaserin has shown potential as an anticancer agent and is undergoing clinical development. It inhibits cytochrome P1A enzymes, which are found primarily in liver tissues and may have anti-cancer properties. Lorcaserin is being developed as a treatment for diabetes and obesity due to its ability to suppress appetite and induce satiety.

3,4-Dihydro naratriptan is a medicinal compound that is used as an anti-migraine drug. It is a hydrogenated form of the parent molecule naratriptan and has been shown to have a reaction time of about 30 minutes when catalyzed by palladium. The impurity, 3,4-dihydro naratriptan sulfonamide, has been found to be less potent than the target compound and can be eliminated from the synthesis by using catalytic hydrogenation. 3,4-Dihydro naratriptan sulfonamide can also be reduced by catalytic hydrogenation to yield 3,4-dihydro naratriptan.

<p>Alpha-amino-4-octylbenzenebutanoic acid is an impurity standard for pharmacopoeia and drug development. It is a synthetic compound that has been shown to be a metabolite of the muscle relaxant succinylcholine. Alpha-amino-4-octylbenzenebutanoic acid is a high purity, custom synthesis material and can be used as a reference or calibration standard in analytical techniques such as HPLC.</p>

2-[(Tetrahydropyran-2-yl)oxy]ethyl p-toluenesulfonate is a drug product. The compound is an impurity in the API, which is a metabolite of the synthetic chemical 2-[(Tetrahydropyran-2-yl)oxy]ethyl p-toluenesulfonate (CAS No. 65338-95-6). This impurity has been identified by HPLC analysis and was found to have natural origin. It has been detected in various batches of the API, although at different concentrations. It may also be present as an analytical or impurity standard for HPLC analysis.

<p>α-Phenyl-α-[3-(phenyl-2-pyridinylmethylene)-2,4-cyclopentadien-1-yl]-2-pyridinemethanol is a synthetic compound that is used as an impurity standard in the research and development of drugs. It is also used as a custom synthesis drug product to create a high purity, pharmacopeia grade drug. α-Phenyl-α-[3-(phenyl-2-pyridinylmethylene)-2,4-cyclopentadien-1-yl]-2-pyridinemethanol has been shown to be an active metabolite for the treatment of hypertension. Metabolism studies have shown that this drug is subject to oxidative metabolism by cytochrome P450 enzymes with subsequent oxidation of the pyridine ring. The resulting metabolite can then bind to DNA and inhibit transcription and replication.</p>

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<p>2,2',4,4',5,6'-Hexachlorobiphenyl (PCB-153) is a potent inhibitor of kinases and has been shown to induce apoptosis in tumor cells. It is an analog of medicinal inhibitors used for the treatment of cancer. PCB-153 has been tested on both Chinese hamster ovary cells and human cancer cell lines and has demonstrated its anticancer properties by inhibiting protein kinase activity. In addition, it has been found in urine samples from individuals with cancer, suggesting that it may play a role in the development or progression of this disease. The potential therapeutic benefits of PCB-153 as an anticancer agent are currently being investigated.</p>

<p>Dehydronitrosonisoldipine is a pyridine-containing compound that has been synthesized from dehydronitrosodiphenylamine. It is an ionic liquid with a melting point of 114°C and a boiling point of 272°C. Dehydronitrosonisoldipine has been shown to be active against some bacterial strains, but not others. It is effective for the treatment of infectious diseases such as H. influenzae, M. tuberculosis, and Listeria monocytogenes in animal studies. This compound also shows efficacy against some bacteria that are resistant to antibiotics such as penicillin and erythromycin in vitro. The molecular weight of dehydronitrosonisoldipine is 262.2 g/mol and its molecular formula is C12H14N2O4S2D6N2O6.</p>

<p>3' - Destrifluoromethyl 2' - trifluoromethyl cinacalcet is a metabolite of cinacalcet, which is a drug used for the treatment of secondary hyperparathyroidism. It is an impurity in the drug product and can be identified by HPLC.</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.

(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (levonorgestrel impurity T) is an analog of levonorgestrel with potent anticancer properties. It has been shown to induce apoptosis in human cancer cell lines by inhibiting kinase and elastase activities. This compound has also been tested against a variety of tumor cell lines and has demonstrated significant anticancer activity. In Chinese hamster ovary cells, levonorgestrel impurity T was found to arrest the cell cycle at the G1 phase, leading to decreased protein synthesis and ultimately cell death. As an inhibitor of kinases and other enzymes involved in cellular signaling pathways, this compound may have potential as a therapeutic agent for the treatment of cancer.

<p>Loxapine N-oxide is a metabolite of loxapine. It has been shown that the n-oxide form of loxapine has regulatory effects on the metabotropic glutamate receptor and can be used to treat symptoms of schizophrenia. Loxapine N-oxide has been shown to have antipsychotic effects in vitro. The structural formula for loxapine N-oxide is as follows:</p>

The Cl2 linker is an analog of saxagliptin, a kinase inhibitor that has shown promise in the treatment of tumors and cancer. It has been studied extensively in Chinese hamster ovary cells and human urine, where it has demonstrated potent inhibitory activity against a variety of kinases. The Cl2 linker has also been shown to induce apoptosis in cancer cells, making it a potential therapeutic agent for the treatment of cancer. Additionally, it has been investigated as an inhibitor of xylanase, an enzyme involved in the breakdown of plant cell walls. The Cl2 linker may also have potential as an inhibitor of other kinases, such as those targeted by aprepitant, which is used to treat chemotherapy-induced nausea and vomiting.

(Z) -2- [4- (1, 2- Diphenylethenyl) phenoxy] - N, N- diethyl- ethanamine hydrochloride is a drug product that is an analytical impurity. It is used as a metabolite standard in drug development and metabolism studies. The CAS number for this compound is 97800-41-4.

2,3-Dimethyl-N-phenylbenzenamine is a medicinal compound that has been found in urine and has shown potential as an anticancer agent. It acts as a kinase inhibitor, specifically targeting proteins involved in cancer cell growth and survival. In Chinese hamster ovary cells, this compound has been shown to inhibit the activity of protein kinases and induce apoptosis, or programmed cell death. This analog also displays potent antitumor activity against leukemia cells in vitro. As a promising candidate for cancer treatment, 2,3-Dimethyl-N-phenylbenzenamine may serve as a valuable tool in developing novel inhibitors for various types of cancers.

<p>Heptamethylcyclotetrasiloxane is a medicinal compound that has been found to have anticancer properties. It acts as an inhibitor of kinases, which are proteins that play a key role in cancer cell growth and proliferation. Heptamethylcyclotetrasiloxane has been shown to induce apoptosis (programmed cell death) in cancer cells, making it a potential treatment for various types of tumors. This compound is an analog of other kinase inhibitors and has been tested in both Chinese and human cancer cell lines with promising results. Its ability to inhibit kinases makes it a potential candidate for further development as an anticancer drug.</p>

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<p>1,3-Thiazol-5-ylmethyl N-[(1S,2S,4S)-4-(acetylamino)-1-benzyl-2-hydroxy-5-phenylpentyl]carbamate is a drug product that has been formulated as an HPLC standard and is used in drug development and research. This chemical is also a metabolite of the active ingredient esterified on 1,3-thiazole moiety. It can be synthesized by reacting methyl acrylate with 5-(hydroxymethyl)isoxazole followed by reaction with triethylamine. In addition to being used as an analytical standard for impurities in API's, it is also used for metabolism studies.<br>Molecular Formula: C24H31N3O4S<br>Molecular Weight: 441.53<br>CAS Number: 1010808-43-1</p>

4-Methyl-N-(5-methyl-2-pyridinyl)benzamide is a birefringent, crystalline compound that is soluble in organic solvents. This compound exhibits liquid crystal composition and can be synthesized by the reaction of 2,4-dimethylbenzoyl chloride with 5-methylpyrimidine. It has been used in the production of photolytic materials such as fluorine. 4-Methylbenzamide has been shown to have a skeleton that is composed of two fused pyridine rings and an amide group. The impurities found in this product are mainly methyl benzoate and methyl pyridine.

Pralnacasan is an inhibitor that has been shown to induce apoptosis in cancer cells. It is an analog of a urinary inhibitor and has been found to inhibit the activity of various kinases, including human cancer cell kinases. Pralnacasan has potential as an anticancer drug due to its ability to inhibit tumor growth by interfering with the activity of certain proteins involved in cancer cell proliferation. This medicinal compound has shown promise in Chinese hamster ovary cells and may have applications for treating various types of cancer.

(2R)-2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]-2-isopropylpentanenitrile hydrochloride (ZD4054) is a drug that has been shown to be sensitive to the efflux pump in Escherichia coli. It is also able to inhibit multidrug resistance in nematodes and cross-resistance in humans. ZD4054 inhibits multidrug resistance by inhibiting the efflux of drugs from cells. This prevents the development of resistance to antibiotics and other drugs. The mechanism of action for this drug is unknown, but it may affect chloride channels that are found on the cell membrane. ZD4054 has also been shown to be effective against C.elegans and Drosophila melanogaster, two species commonly used for research purposes.

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3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one is a research and development impurity standard. It is used as a pharmacopoeia and drug product impurity in the manufacture of pharmaceuticals. 3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H pyrido[1,2 a]pyrimidin 4 one is used in synthetic organic chemistry for the production of drugs. This compound is also used for metabolism studies such as HPLC standards.

<p>Melatonin methoxy-d3 is a synthetic melatonin metabolite that is used as an impurity standard in the manufacture of drug products. It is also used as a research and development intermediate, a custom synthesis, or a raw material in the production of other drugs. Melatonin methoxy-d3 has CAS Number 60418-64-6 and its chemical name is 3-[2-(Methoxymethyl)benzofuran-5-yl]oxyindole. Melatonin methoxy-d3 is a synthetic drug product with high purity and pharmacopoeia grade. It has been shown to be effective in metabolism studies and to have niche applications for analytical work.</p>

Neratinib-d6 is a potent inhibitor of cancer cell growth and is used in the treatment of various types of cancer. It induces apoptosis, or programmed cell death, in cancer cells by inhibiting specific proteins that are required for their survival. This anticancer drug has been shown to be effective against a variety of tumors and is being studied for its potential use in treating other types of cancer as well. Neratinib-d6 is a medicinal inhibitor that works by blocking the action of certain enzymes involved in the cell cycle, such as Chinese hamster ovary kinase and human epidermal growth factor receptor 2 (HER2). It is also an analog of neratinib, which is another anticancer drug that has been approved for use in humans. Neratinib-d6 can be detected in urine samples, making it useful for monitoring patients undergoing treatment with this drug.

Tenofovir disoproxil fumarate is a prodrug of tenofovir that is used as a clinical medication to treat HIV. Tenofovir works by inhibiting reverse transcriptase, an enzyme required for the production of viral DNA. The flow rate of this drug is high and it has a sensitivity of less than 1 ng/mL. Tenofovir disoproxil fumarate contains impurities such as methoxy, which can affect the chiral purity and sensitivity of the drug. It also contains tenofovir, which is used as an intermediate in its synthesis. This drug can be detected using chromatographic methods, which use n-hexane and a wavelength below 220 nm for liquid chromatography analysis.

<p>Nitrosoantipyrine is a diagnostic agent that can be used to detect the presence of antitumour activity by examining the effects of nitrosation on cervical cancer cells. In this assay, nitrosation is induced by incubating cells in the presence of hydrochloric acid and sodium citrate. The reaction products are then examined for their ability to inhibit the growth of typhimurium. Nitrosoantipyrine can be used as an antitumour agent or dietary supplement to reduce risk factors associated with carcinogens. Coumarin derivatives are often used as a precursor for nitrosoantipyrine synthesis because they react readily with nitrous acid at room temperature and form a stable product without any side reactions.</p>