APIs para investigación e impurezas

<p>Decitabine impurity 14 is an impurity of decitabine. It is a stable, natural product that has been synthesized for use as an analytical standard and pharmacopoeia reference material. Decitabine impurity 14 is a white crystalline powder with a melting point of about 152°C. It is soluble in water, ethanol and ether. The chemical name for this compound is 2-amino-4,6-dihydroxypyrimidine-5-carbonitrile hydrochloride.</p>

<p>Tacrolimus is a macrolide that is used as an immunosuppressive drug. It has been shown to bind to the FK-binding protein, which in turn inhibits calcineurin. This prevents the release of IL-2, TNF-α and other cytokines. The immunosuppressive effects of tacrolimus have been evaluated using analytical methods such as coefficients, affinity, and monitoring techniques such as immunoassays and agglutination. These techniques are used to evaluate the plasma concentration of tacrolimus. Tacrolimus also binds to proteins in the blood samples and can be detected by turbidimetric or electrochemiluminescence immunoassay reagents.</p>

<p>10-{3-[4-(2-Chloro-ethyl)-piperazin-1-yl]-propyl}-2-trifluoromethyl-10H-phenothiazine is a nonselective, competitive antagonist of glutamate and quinpirole. It has been shown to block the glutamate receptors in the brain and reduce dopamine release. 10-[3-[4-(2-Chloro-ethyl)-piperazin-1-yl]-propyl]-2-trifluoromethylphenothiazine has a high affinity for the ryanodine receptor, which is found in the sarcoplasmic reticulum of striatal neurons. This drug also binds to calmodulin with high affinity, which may account for its ability to inhibit covalent adducts of dopamine to proteins. 10-[3-[4-(2-Chloro-ethyl)-piperazin-1-yl</p>

<p>Pirtenidine is a potent and selective kinase inhibitor that has been shown to inhibit the activity of cyclin-dependent kinases. It has demonstrated promising results in preclinical studies as an anticancer agent, inducing apoptosis in cancer cells. Pirtenidine is an analog of protein kinase inhibitors, which have been used to treat various types of tumors. It has been found to be effective against human cancer cell lines and has shown significant tumor growth inhibition in animal models. Pirtenidine has also been reported to be a potent urine inhibitor of Chinese hamster ovary cells, making it a promising candidate for the treatment of urinary tract cancers.</p>

<p>Xanthoxin is a medicinal compound with potent anticancer properties. It has been shown to induce apoptosis, or programmed cell death, in cancer cells. Xanthoxin has been tested in various cancer cell lines, including Chinese and human cells, and has demonstrated strong inhibitory effects on the tumor cycle. This compound works by inhibiting kinases and other proteins involved in cancer cell growth and proliferation. Xanthoxin is also known to be an inhibitor of certain urinary proteins that are associated with cancer progression. Overall, Xanthoxin shows great potential as a natural product for the development of novel anticancer therapies.</p>

<p>Bezafibrate is a drug product that is used in the treatment of hyperlipidemia. It is an impurity standard for bezafibrate 1-o-β-glucuronide, which can be used as an analytical standard for HPLC analysis. Bezafibrate 1-o-β-glucuronide can also be used to evaluate the metabolism of bezafibrate through animal studies.</p>