APIs pour la recherche et les impuretés

Cefixime Impurity A is a drug product that is used for analytical purposes. It is an impurity of cefixime.

Acetylsalicylic acid sodium salt is a potent inhibitor of kinases in both human and Chinese cells. It is an analog of salicylic acid and has been shown to inhibit the growth of cancer cells in vitro. Acetylsalicylic acid sodium salt also induces apoptosis, or programmed cell death, in cancer cells. Additionally, it has been shown to inhibit heparin-induced platelet aggregation and reduce the risk of blood clots. This drug has potential anticancer properties due to its ability to inhibit chitin synthesis, which is necessary for tumor growth and survival. Acetylsalicylic acid sodium salt may be useful as a therapeutic agent for the treatment of cancer and other diseases associated with abnormal kinase activity.

1,3-bis(1,1-Dimethylpropyl) benzene is a synthetic compound that is used in drug product formulation. It is also used as an analytical standard for the determination of 1,3-bis(1,1-dimethylethyl)benzene in drug products and as a natural impurity in API preparations. This compound is metabolized to 1,3-dibromobenzene and 1,2-dibromoethane during its metabolic process. The chemical properties of this compound are similar to those of other alkylbenzenes and it has been shown to have pharmacological effects such as analgesic and antiinflammatory activities.

Entecavir (1R,3R,4S) diastereomer is a synthetic compound and is an analytical standard for HPLC. This product is an impurity of the drug Entecavir. The impurity is characterized by a retention time of 17.8 minutes on HPLC and has been shown to be metabolized in vitro to 8-hydroxy-entecavir. The purity of this product is 98% with a CAS number of 1367369-78-5.

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

Roxithromycin impurity H is an analytical standard for Roxithromycin. It is a metabolite that has been identified in human urine and bile samples as well as in rat plasma following oral administration of Roxithromycin. It is also a byproduct of the synthesis of Roxithromycin, which can be eliminated through purification steps. This compound has not yet been evaluated in humans or animals, but it may cause adverse effects such as gastrointestinal disturbances, headache, or hepatotoxicity.

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

(betaR,deltaR)-2,3-Bis(4-fluorophenyl)-beta,delta-dihydroxy-5-(1-methylethyl)-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid hemicalcium salt is an impurity that is used in the production of a drug product. This product is metabolized to (betaR,deltaR)-2,3-bis(4-fluorophenyl)-beta,delta-dihydroxy-5-(1-methylethyl)-4-[(phenylamino)carbonyl]-1H-pyrrole 1 heptanoic acid which is used as an analytical standard for HPLC.

1,8,15,22-Tetraazacyclononacosane-2,9,16,23-tetrone is a potent inhibitor of kinases that have been shown to be involved in the growth and survival of cancer cells. This compound was isolated from Chinese urine and has been found to induce apoptosis in cancer cells by inhibiting kinase activity. The analogs of this compound have been developed as anticancer agents due to their ability to inhibit cyclin-dependent kinases (CDKs) that are involved in cell cycle regulation. This inhibitor has shown promising results in preclinical studies for the treatment of various types of tumors, including breast cancer and lung cancer. It is a potential candidate for further development as an anticancer drug due to its high specificity towards human kinases and low toxicity towards healthy cells.

Acarbose EP Impurity D is a polymerase chain reaction (PCR) product that is produced by the subtilis, which is a bacterium. Acarbose EP Impurity D has been shown to inhibit the growth of viruses and bacteria in vitro. It inhibits the synthesis of bioactive molecules by inhibiting the activity of cellular enzymes, such as polymerase chain reaction products. Acarbose EP Impurity D also inhibits viral replication and has been shown to have an inhibitory effect on HIV-1 protease.

Fluticasone propionate is a synthetic corticosteroid that is used in the treatment of asthma. It is an esterified prodrug which requires hydrolysis by esterases in order to become active. Fluticasone propionate has shown clinical efficacy with oral administration and can be administered by inhalation or through the skin. This drug is available as a deuterated form for use in nuclear magnetic resonance spectroscopy and reaction monitoring. It also has a linear range of 10-1000 ng/mL and a quadrupole mass spectrometer detection limit of 0.1 pmol, which allows it to be used for plasma samples and reconstituted drugs.

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.

Alisporivir intermediate-1 is a drug product that is used for analytical and metabolism studies. It is a natural API impurity of Metabolism studies, CAS No. 882506-05-0, and has an Impurity standard of Synthetic. Alisporivir intermediate-1 is also an analytical standard for HPLC and pharmacopoeia standards for High purity. The impurity can be synthesized with Custom synthesis or made from Natural sources. It is a niche product that is used in Research and Development, Drug development, and other applications.

2-Bromo-4-chloro-N-methyl-N-phenyl-butanamide is an analog of saxagliptin, a protein inhibitor that has been shown to induce apoptosis in cancer cells. This compound has demonstrated potent anticancer activity in vitro and in vivo, inhibiting the growth of tumor cells by targeting kinases involved in cell proliferation and survival. It has also been found to be effective against a variety of human cancer types, including breast, prostate, and lung cancer. Additionally, 2-Bromo-4-chloro-N-methyl-N-phenyl-butanamide has been shown to have potential as a urine biomarker for detecting early-stage Chinese bladder cancer. Overall, this compound shows promise as a potent inhibitor of cancer cell growth and may have important applications in the development of novel anticancer therapies.

Trifenofos is a potent protein kinase inhibitor that has shown promising anticancer activity in preclinical studies. It targets specific kinases involved in tumor growth and survival, leading to apoptosis or programmed cell death of cancer cells. Trifenofos is an analog of a natural toxin found in Chinese urine, which has been used for centuries in traditional medicine to treat various ailments. In addition to its anticancer properties, trifenofos also shows potential as an inhibitor of other diseases involving abnormal protein kinase activity. Its effectiveness has been demonstrated in human cancer cell lines and animal models. With its ability to selectively target cancer cells, trifenofos holds great promise as a potential therapeutic agent for the treatment of various cancers.