APIs for research and impurities

Cefotaxime sodium impurity F is a cefotaxime sodium salt that has been eluted from the column and is a byproduct of cefotaxime production. It has a structural formula of C6H8NaO4S2. The reaction rate for this impurity is slow, with a diffraction pattern that matches cefotaxime. It is soluble in organic solvents and has fluidity, but it does not dissolve in water. Cefotaxime sodium impurity F can be used as medicine due to its molecule, which is an organic compound with a carbonyl group on one end and the cefotaxime molecule at the other end. This molecule can be purified through gel matrix or liquid chromatography.

<p>8-Hydroxymethylriboflavin is a metabolite of riboflavin that has been shown to be important in the metabolism of this vitamin. This compound is used as an impurity standard for the detection and identification of drugs or other substances in pharmacopoeia, drug development, and analytical chemistry.</p>

<p>Dehydro benidipine is a drug product that has been manufactured to the HPLC standard and is CAS No. 118935-44-7. It is not natural, but it does have a Drug development and Research and Development history. This drug product is an Impurity standard for analytical purposes, and it is also an API impurity. Synthetic studies are required for Metabolism studies, which helps the niche market. High purity of dehyro benidipine ensures that this drug product meets the pharmacopoeia requirements and standards.</p>

<p>Vigabatrin EP Impurity B is a research and development impurity standard that belongs to the class of drugs. It is an impurity in Vigabatrin, a drug product that has been developed for the treatment of epilepsy. Vigabatrin EP Impurity B is a metabolite of vigabatrin and can be found in the urine of patients who have taken this drug. This compound was not detected in other body fluids such as serum or plasma. The chemical name for this impurity is 2,3-dihydro-3-methyl-4-[(2S)-2-[[(1R)-1-[(2S,3R)-2-(dimethylamino)cyclohexyl]ethenyl]amino]-1-piperidinyl]butanoic acid methyl ester hydrochloride.</p>

13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol is an analog of a naturally occurring hormone that has been shown to have anticancer properties. It induces apoptosis in human cancer cells and inhibits tumor growth. This compound also has the ability to inhibit hyaluronan synthesis, which is important for cancer cell proliferation and migration. Additionally, 13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol has been studied as a potential inhibitor of somatostatin kinases, which play a role in regulating cell division and growth. In Chinese hamster ovary cells, this compound was found to be a potent kinase inhibitor that could potentially be used as an anticancer agent. 13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol is excreted in urine and may have potential therapeutic

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<p>1-[2,3-O-Isopropylidene-b-D-ribofuranosyl]-1,2,4-triazole-3-carboxylic acid methyl ester is a synthetic compound that has been shown to inhibit the growth of Mycobacterium tuberculosis in culture. The metabolite is used as an impurity standard for HPLC analysis of this active compound. It has not yet been approved for use as a drug product.</p>

<p>2,2'-Bisnalmefene is a short-acting opioid antagonist that has been used for the treatment of alcohol dependence. It is effective in reducing alcohol intake and craving and it may be used to help maintain abstinence from alcohol. 2,2'-Bisnalmefene is an injectable drug that can be administered intravenously or intramuscularly. The drug should not be injected into a vein or artery because this will cause serious adverse effects. The most common adverse effect of 2,2'-bisnalmefen is respiratory depression followed by nausea and vomiting.</p>

<p>5-Ethyl-10-methoxy-5H-dibenz[b,f]azepine is a synthetic compound that is used as an impurity standard in the synthesis of drugs. It also has been used in drug development and analysis. 5-Ethyl-10-methoxy-5H-dibenz[b,f]azepine is metabolized by CYP2D6 to form 5-(1′,3′,4′,5′) -trihydroxy dibenzo[b,f][1,4]diazepin. This metabolite can be quantified using HPLC to determine the metabolic pathway of the drug product.</p>

Hyoscyamine related compound A is a pure, synthetic chemical compound that is used as an impurity standard and can be custom synthesized to meet the requirements of a customer's research and development. Hyoscyamine related compound A is also known as a metabolite in the body, which means it is created from another substance. It is created from the breakdown of Hyoscyamine, which is found in plants such as jimson weed, mandrake, and henbane. Hyoscyamine related compound A has a CAS number of 537-29-1. It can be used to create drug product or pharmacopoeia standards. It has been classified as a custom synthesis by the FDA because it has not been approved for use in humans or animals.

Buprenorphine is a semi-synthetic opioid that is used to treat pain. It has been shown to have high purity, when compared to other synthetic opioids, and is often used as an analytical standard. Buprenorphine furanyl impurity is an impurity in buprenorphine that can be detected by high-performance liquid chromatography (HPLC). It is also a metabolite of the drug and can be used as a pharmacopoeia reference material.

Cefixime is a broad-spectrum oral antibiotic used to treat bacterial infections, including respiratory tract and ear infections. Cefixime is the prodrug of cefixime acid, which is hydrolyzed in vivo to cefixime. This impurity is an analytical standard that can be used for research and development, high purity drug product, API impurity, HPLC standard and niche drugs. It can also be used as a metabolite and an impurity standard. The CAS number for this compound is 1335475-08-5. This chemical has natural or synthetic origins but is not specified.

Malvone A is a potent inhibitor of human protein kinases, which are essential for cell cycle regulation and apoptosis in tumor cells. This indole compound has been shown to inhibit the growth of various cancer cell lines, including Chinese hamster ovary cells and leukemia cells. Malvone A induces apoptosis in cancer cells by inhibiting the activity of specific kinases that regulate cell growth and division. It is a promising candidate for the development of new anticancer drugs due to its potent inhibitory effects on tumor cell growth.

N,N'-Bis[2-(3,4-dimethoxyphenyl)ethyl]-N,N'-dimethyl-1,3-propanediamine dihydrochloride is a synthetic compound that is metabolized to the natural product naphthol AS. It is an impurity in the drug product and can also be used as an analytical reference standard.

<p>Roxithromycin impurity I is a natural metabolite of roxithromycin. The substance has been synthesized in order to serve as an analytical impurity standard for HPLC. Roxithromycin impurity 1 is also a metabolite of roxithromycin, which has been shown to produce pharmacological effects similar to those seen with the parent compound. Roxithromycin impurity I is not an API, but has been developed as a HPLC analytical impurity standard and will be used for metabolism studies.</p>

<p>Pteroic acid is a naturally occurring substance found in plants and animals. It has inhibitory activities against enzymes such as butyrate kinase, acetyl-CoA synthetase, and glutamate dehydrogenase. Pteroic acid is used to synthesize quinoxalines, which are used for the treatment of cancer. Pteroic acid also inhibits cell growth by inhibiting protein synthesis. This is done by conjugating with amino acids and inhibiting their uptake into the ribosome. The inhibition of glutamate dehydrogenase may be due to its ability to reduce levels of glutathione, which is an inhibitor of this enzyme.</p>

<p>1'-Epi-Gemcitabine 3',5'-dibenzoate is an analytical standard that is used in the drug development process. It is also a high purity, API impurity, HPLC standard, and drug product. 1'-Epi-Gemcitabine 3',5'-dibenzoate is an impurity of Gemcitabine, which is an anticancer drug. The impurity can be found in the methanolic fraction of the extract and it's an epimer of Gemcitabine. The pharmacopoeia for this compound are USP and EP. Custom synthesis and natural or synthetic are possible for this compound.</p>

<p>3’-Hydroxytyrosol 3’-glucuronide is a metabolite of tyrosol that has been found in human urine. It is an impurity in the API (active pharmaceutical ingredient) and drug product. The analytical purity of this compound should be at least 98%. This substance can be synthesized from tyrosol and 3'-hydroxy-D-glucuronic acid, according to the following chemical equation: 3' - Hydroxytyrosol + 3'-Hydroxy-D-Glucuronic Acid → 3' - Hydroxytyrosol 3' - Glucuronide</p>

<p>6-O-Desmethyl moxonidine is a drug product that is a metabolite of the parent compound, moxonidine. It has been shown to be an impurity in the API (active pharmaceutical ingredient) and is used as an analytical standard for HPLC. 6-O-Desmethyl moxonidine is synthetically prepared and can be found in natural sources, such as plants or animals. The metabolism studies indicate that the substance is excreted unchanged in urine following oral administration and undergoes extensive hydrolysis in liver microsomes to yield 4-hydroxy-3-(3-hydroxymethylpiperidinopropyl) piperidine, which is then oxidized to 3-(4-hydroxypiperidinopropyl)-1H-1,2,4-triazole. This product may cause skin irritation.</p>

2,2'-Methylenebis[4-[2-(dimethylamino)-1-(1-hydroxycyclohexyl)ethyl]phenol] is a synthetic drug product that is used as a reference standard for HPLC and GC analyses. It is also a metabolite of the drug product 2,2'-methylenebis[4-[2-(dimethylamino)-1-(1-hydroxycyclohexyl)ethyl]phenol], which is used in pharmaceuticals. This impurity standard exhibits analytical properties similar to those of the API impurity. The chemical structure of this compound consists of an aromatic ring with two methyl groups and two methoxy groups attached to it.