APIs pour la recherche et les impuretés

Maraviroc-d6 is a medicinal compound that has been developed as an inhibitor of kinases, which are enzymes involved in cell cycle regulation and apoptosis. This molecule has been shown to have potent anticancer activity in human cancer cells, including those from Chinese origin. Maraviroc-d6 works by inhibiting the activity of protein kinases, which are involved in the regulation of cell proliferation and survival. This inhibition leads to the induction of apoptosis, or programmed cell death, in cancer cells. Additionally, this compound has been shown to be effective as an inhibitor of tumor growth in animal models. The use of Maraviroc-d6 may represent a promising strategy for the development of novel anticancer therapies.

4-(Acetylamino)-3-bromobenzenesulfonyl chloride is a white crystalline powder that is soluble in water, ethanol and chloroform. It has an analytical standard purity of 99% or greater. This compound can be used for research and development purposes as well as for the synthesis of pharmaceuticals. The impurity profile of 4-(acetylamino)-3-bromobenzenesulfonyl chloride includes 3-acetylbenzenesulfonic acid, sodium acetate, ammonium chloride, sodium sulfite, potassium bromide, potassium iodide, potassium carbonate, and potassium citrate.

Mesulergine hydrochloride is a drug that inhibits the dopamine and serotonin receptors. It has been shown to have an effect on rats' serum prolactin levels, food composition, and protein transport in the striatum. Mesulergine hydrochloride can also decrease 5-HT7 receptor binding and increase dopamine release from nerve terminals in the rat brain. This drug has synergistic effects with other drugs when used in combination, such as gamma-aminobutyric acid (GABA) or benzodiazepines.
Symptoms of mesulergine hydrochloride include psychotic disorders, anxiety, depression, hallucinations, sleep problems, and suicidal thoughts. These symptoms may be due to mesulergine's effect on 5-HT2C receptors.

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NUC-7738 is a medicinal compound that has been shown to be an effective inhibitor of cyclin-dependent kinases (CDKs). It has potent anticancer activity and has been studied extensively in Chinese hamster ovary (CHO) cells, human leukemia cells, and other cancer cell lines. NUC-7738 works by selectively inhibiting CDK4/6, which are critical regulators of the cell cycle. This leads to the induction of apoptosis in cancer cells, making it a promising new therapeutic agent for the treatment of various types of cancer. Additionally, NUC-7738 has been shown to have low toxicity and good pharmacokinetic properties in preclinical studies. Overall, this compound holds great promise as a novel anticancer therapy that may help improve outcomes for patients with cancer.

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.

Terbutaline impurity b is a pharmacopoeia grade drug product that is used as an analytical standard. It is also used in the synthesis of terbutaline, which is a drug that has been approved by the FDA to treat bronchospasm, asthma and other lung disorders. Terbutaline impurity b may be found in natural sources or may be synthesized. This impurity can be custom synthesized using HPLC-grade reagents and can be obtained at high purity levels.

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.

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(R)-2-Phenylchroman-4-one is a flavonoid glycoside that has been shown to be metabolized by human liver enzymes. It can be found in the seeds of plants such as Cassia occidentalis, Cinchona pubescens, and Cinchona suksdorfii. The molecule contains a phenolic hydroxyl group with an esterified sugar, which is connected to the aromatic ring through an alpha carbon. The sugar moiety can be either glucose or rhamnose. (R)-2-Phenylchroman-4-one has been shown to inhibit the enzyme cytochrome P450, which is a vital component of drug metabolism in humans. This inhibition may lead to significant changes in pharmacokinetics and efficacy of drugs such as cyclosporin A and erythromycin estolate that are metabolized by this enzyme. In addition, (R)-2-phenylchroman

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.

Tirofiban impurity 8 is an analytical standard for HPLC. It is a research-grade, high purity, impurity standard for the drug product. Tirofiban impurity 8 is a metabolite of tirofiban that has been shown to be pharmacologically active in animal models and in vitro. Tirofiban impurity 8 has a natural or synthetic origin and its CAS number is 2250244-25-6.

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.

Atorvastatin is a drug product that is designed for the treatment of dyslipidemia, hypercholesterolemia, and mixed dyslipidemia. It is an impurity in the drug product Atorvastatin EP. Impurity B is a natural metabolite that has been found to have a niche market as an analytical standard for HPLC. The metabolite can be synthesized with high purity and quality standards, which are suitable for use in pharmacopoeia and research and development.

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.

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.

Epronaz is an analog of a naturally occurring human metabolite found in urine that has been shown to exhibit anticancer properties. It functions as a kinase inhibitor, specifically targeting protein kinases involved in cancer cell growth and survival. Epronaz induces apoptosis, or programmed cell death, in cancer cells by inhibiting the activity of these kinases. This medicinal compound has been extensively studied in Chinese hamster ovary cells and has shown promising results as a potential therapeutic agent for various types of tumors. Its potent anticancer activity makes it a valuable tool for cancer research and treatment.

Δ2-Cefuroxime is a prodrug that is hydrolyzed in vivo to cefuroxime, its active form. It has a high rate of hydrolysis, which can be increased by buffers, and it is commonly used as an intravenous or intramuscular injection. Δ2-Cefuroxime has two isomeric forms: the cis-isomer and trans-isomer. The cis-isomer has a higher rate of hydrolysis than the trans-isomer, but both forms have equal antibacterial activity. In addition, Δ2-cefuroxime can be converted into erythromycin.

Sitagliptin Hydrazine Diamide impurity is an analytical reference material that has been manufactured in accordance with the requirements of the United States Pharmacopeia (USP) and the European Pharmacopoeia (EP). The material is a white to off-white crystalline powder. It has a purity of 99.9% with a specific gravity of 1.06 g/cm3 and a melting point of 176-177°C. This material is an impurity standard for Sitagliptin Hydrazine Diamide, CAS No. 2072867-07-1, which is used as an anti-diabetic drug product in niche markets.

Genistein 4’-β-D-glucuronide is an isoflavonoid that is a natural product of soy and red clover, with estrogenic properties. It has been shown to have the ability to bind to estrogen receptors and inhibit the growth of breast cancer cells. Genistein 4’-β-D-glucuronide has been shown to inhibit the production of estrone sulfate in human breast cells, which may be due to its ability to act as an estrogen receptor antagonist. The isoflavonoid genistein also binds to and inhibits the activity of DNA topoisomerase II enzymes in human breast cells.

Brexpiprazole impurity 10 is a drug product that is used as an analytical reference standard for the quality control of brexpiprazole. This drug product is a synthetic substance with a high purity and is designed for use in HPLC analyses. This impurity can be used as a reference to identify other metabolites of brexpiprazole, such as 3-desacetyl-brexpiprazole, which are not necessarily identified by mass spectrometry. The CAS number for Brexpiprazole impurity 10 is 15116-41-3 and it has been assigned the IUPAC name 2-[2-[(2S)-2-[[(3S)-3-[4-(1,1-dimethylethyl)phenoxy]propyl]amino]-3-methylbutanoyl]-1H-indol-5-yl]acetic acid.

3-Hydroxy citalopram oxalate (3HCO) is a drug product that is used as an analytical standard and impurity standard. It is synthesized in the laboratory by reacting 3,4-dihydroxyphenylacetic acid with citalopram, followed by esterification with oxalic acid. The purity of the final product is typically >98%.

5-[4’-Carboxy-(1,1’-biphenyl)-2-yl]-2-triphenylmethyltetrazole is a versatile compound with various applications. It has been found to exhibit steroid-like properties and interacts with dopamine receptors. Additionally, it has shown antiviral activity against certain viruses such as tenofovir and blonanserin.

L-Valine 2-hydroxyethyl ester tosylate (L-V2HT) is a drug product that is synthesized by custom synthesis. It has high purity, analytical, and natural properties. L-V2HT 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 active form of L-V2HT 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. L-V2HT also specifically binds to markers expressed at high levels in Mycobacterium tuberculosis strains (e.g., ESX-1 secretion system protein) and inhibits cell

Stafib-2 is an analog inhibitor that has shown potent anticancer activity in human cancer cell lines. It works by inhibiting kinases, which are enzymes that play a key role in regulating cell growth and division. Stafib-2 has been shown to induce apoptosis, or programmed cell death, in Chinese hamster ovary cells and human cancer cells. This drug also inhibits the activity of elastin kinase, a protein that is involved in tumor growth and metastasis. Stafib-2 has potential as a targeted therapy for cancer treatment due to its ability to selectively inhibit specific kinases involved in cancer progression. Its unique mechanism of action makes it a promising candidate for further development as an anticancer agent.

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Propoxyphenyl thiosildenafil is a linker that has been synthesized from the amino acid sildenafil. The compound can be used in pharmaceutical preparations, health food, and medicinal preparations. It is also used as an additive to prepare the desired drug. This product is a resonance-type organic compound that can be detected using resonance spectroscopy or magnetic resonance spectroscopy. The compound has a molecular weight of 348.08 g/mol and a boiling point of 440°C at 760 mmHg pressure.

Taxine A is a potent inhibitor of kinases that has been isolated from the Chinese yew tree. It has shown promising results in inhibiting the growth of cancer cells and inducing apoptosis. Taxine A exhibits a unique mechanism of action by binding to a specific site on the kinase, which prevents its activation and subsequent downstream signaling. This analog of linezolid has been shown to have potent anticancer activity against various tumor cell lines, including human breast cancer and lung cancer. Taxine A is also excreted in urine, making it an attractive candidate for non-invasive diagnostic tests for cancer. Its ability to inhibit kinases makes it a potential therapeutic agent for a wide range of cancers.

5-Amino-4-(4-nitro-1-oxoisoindolin-2-yl)-5-oxopentanoic acid is a compound that contains a carbonyl group and a nitro group. It has been found to exhibit emission properties and has shown potential as an antiviral agent. This compound has also been studied for its effects on 27-hydroxycholesterol, a cholesterol metabolite involved in lipid peroxidation and inflammation. Additionally, it has been investigated for its interaction with tenofovir, an antiviral medication used to treat HIV/AIDS. The presence of hydroxyl groups in this compound suggests its potential as a precursor for the synthesis of oxysterols, which are important signaling molecules in the body. Impurities in this compound may be removed through purification processes to ensure its quality and effectiveness. Overall, this compound shows promise for further research in the field of antiviral drugs and lipid metabolism.

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