APIs para pesquisa e impurezas

4-Epi-dolutegravir is the active metabolite of dolutegravir. It is a synthetic, high purity API that is used as an analytical reference standard and a drug product for research and development purposes. The CAS number for 4-epi-dolutegravir is 1357289-37-2. 4-Epi-dolutegravir has been shown to have similar pharmacological properties to its parent compound, dolutegravir. Metabolism studies have demonstrated that the major route of elimination for 4-epi-dolutegravir is through urinary excretion.

Please enquire for more information about (3S,4R)-3-Methyl-4-phenylpiperidine-4-carboxylic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page

Paliperidone E-oxime is used as a reference standard to calibrate impurities in drug products, and as an analytical reference standard. Paliperidone E-oxime is also used in the synthesis of other drugs. Paliperidone E-oxime has a CAS number of 1388021-46-2 and a molecular weight of 395.37 g/mol.

Amlodipine besilate impurity A is a low-energy impurity that is formed in the crystallization process. It is an amide compound that has a hydrogen bond with crotonic acid and amlodipine, and can be found in acidic environments. The structural formula for this impurity is C8H14NO2S·C4H6O4·CH3OH.

2-Methoxyethyl-3-aminocrotonate is an impurity of a drug product. It is an analytical standard that is used to quantify the metabolite in pharmaceutical preparations. 2-Methoxyethyl-3-aminocrotonate is a natural metabolite, which can be found in human urine. This compound has been shown to be a potent inhibitor of both bacterial and mammalian cell topoisomerase II and IV, but not mammalian cell topoisomerase I. It also inhibits protein synthesis by binding to the ribosomal 50S subunit. In addition, it has been shown to inhibit the growth of certain bacteria such as clostridium perfringens and Mycobacterium tuberculosis.

Rac N-Methyl epinephrine hydrochloride salt is a potential anti-cancer agent that has been used in Chinese medicine for its apoptotic effects on cancer cells. It works by inhibiting the chitin kinase pathway, which is involved in tumor growth and survival. Rac N-Methyl epinephrine hydrochloride salt also acts as a potassium channel inhibitor, leading to cell death in cancer cells. This drug has shown synergistic effects when combined with other cancer treatments such as enoxaparin or heparin. Additionally, it has been found to be an effective inhibitor of psyllium-induced colon carcinogenesis in human subjects. Overall, Rac N-Methyl epinephrine hydrochloride salt shows great promise as a potential anti-cancer analog for use in cancer treatment.

2S-OMPT is a protein that is expressed in the cell. It is involved in transcriptional regulation, and can be assayed using k562 cells. 2S-OMPT has been shown to be associated with cancer. It also increases resistance to chemotherapeutic agents by inhibiting cation channels or inducing apoptosis of leukemia cells. 2S-OMPT may also play an important role in intracellular calcium ion concentrations, as it binds to the extracellular domain of sphingosine kinase and inhibits its activity. This inhibition leads to decreased levels of intracellular calcium ions, which may modulate chemokine production by chemoresistant cancer cells.

Erythromycin E is a diluent that is used to make erythromycin solutions. It has been shown to have bioactive molecules by incubating it with chromatographic methods. These bioactive molecules are conjugates of erythromycin and methyl ethyl groups. Erythromycin E has also been shown to have genetic mechanisms, which may relate to its ability to inhibit the synthesis of inflammatory cytokines such as IL-1β and IL-8 in the airways. The acetate extraction method is used for the production of erythromycin E. This process involves extracting erythromycin from Streptomyces bacteria grown in an acetate buffer solution.

Clindamycin phosphate EP impurity G is a metabolite of clindamycin that can be found in the urine of patients taking clindamycin. It is a white to off-white crystalline solid with a melting point of about 205°C. Clindamycin phosphate EP impurity G has been used as an analytical reference standard for clindamycin, and it is also used as a synthetic intermediate in the drug development process. The CAS number for this compound is 719-72-4.

Please enquire for more information about 3,4-Dihydro naratriptan oxalate including the price, delivery time and more detailed product information at the technical inquiry form on this page

N-Formyl-L-leucine (1S)-1-[[(2R,3R)-3-hexyl-4-oxo-2-oxetanyl] methyl] dodecyl ester is an impurity in the drug product. It can be used as a custom synthesis or natural standard and has been shown to have metabolites that are toxic to human cells. This impurity can be synthesized for HPLC analysis and research purposes.

Metamizole EP impurity E is a synthetic research and development impurity standard for the drug product. Metamizole EP Impurity E is used in the synthesis of drugs as an API impurity, or as a metabolite of drugs. The chemical purity is typically greater than 98%. Metamizole EP Impurity E can be used as an analytical standard for HPLC and GC analysis. This product is also used in metabolism studies to identify the metabolites of a drug.

Please enquire for more information about Fenbufen-d9 including the price, delivery time and more detailed product information at the technical inquiry form on this page

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.

Salmeterol ep impurity A is an API impurity in the drug product 1-(RS)-1-[4-hydroxy-3-(hydroxymethylphenyl]-2-[(4-phenylbutyl)aminoethanol. It is a synthetic, natural, and pharmacopoeia impurity standard. The CAS number for this compound is 1798014-51-3. Salmeterol ep impurity A has a molecular weight of 255.9 g/mol and chemical formula of C24H30ClNO5.

((E)-5-((M-[(2-Carboxyethyl)carbamoyl]phenyl)azo)-2-salicylic acid) is a drug product. It is a synthetic, white to off-white powder that has a molecular weight of 246.9 g/mol and an assay of 99%. The impurity standard for this product is (E)-5-(4-(methylsulfonyl)phenylazo)-2-salicylic acid.

Glycerol 1-(26-hydroxyhexacosanoate) is a metabolite of the plant sterol, beta-sitosterol. It is a potent antimalarial agent and has been shown to be effective against plasmodium falciparum and plasmodium vivax. Glycerol 1-(26-hydroxyhexacosanoate) inhibits the growth of the malaria parasite by inhibiting enzymes that are required for its survival. The enzyme hydrolysis of glycerol 1-(26-hydroxyhexacosanoate) by cytochrome P450 2B6 produces 26-hydroxycholesterol and 26-hydroxydihydrocorticosterone, which have been shown to have antiplasmodial activity as well.

DMAC-PDB is an aromatic cleavable linker commonly used in protein and drug conjugation. It enables controlled release of payloads under specific chemical conditions.

Ulifloxacin acyl-β-D-glucuronide is an inhibitor of protein kinases that has been shown to induce apoptosis in cancer cells. This compound is a metabolite of ulifloxacin, a fluoroquinolone antibiotic used to treat urinary tract infections. Ulifloxacin acyl-β-D-glucuronide has potent anticancer activity and has been shown to inhibit the growth of tumor cells in vitro. This compound is an analog of other kinase inhibitors and has been extensively studied in Chinese hamster ovary (CHO) cells, where it was found to be effective against various types of cancer. Ulifloxacin acyl-β-D-glucuronide also possesses toxin-binding properties and may have potential as an anti-toxin agent.

Please enquire for more information about Efavirenz-d5 including the price, delivery time and more detailed product information at the technical inquiry form on this page

Quincarbate is a medicinal compound that acts as an inhibitor of kinase enzymes. Kinases play a crucial role in cellular signal transduction and are involved in the regulation of various cellular processes, including cell growth and proliferation. Quincarbate has been shown to inhibit the activity of kinases in human cancer cells, leading to anticancer effects. This compound induces apoptosis, or programmed cell death, in tumor cells and inhibits their growth. Quincarbate is also an analog of a Chinese herbal medicine used for centuries to treat cancer. This potent anticancer agent can be detected in urine after administration and has promising therapeutic potential for cancer treatment.

Please enquire for more information about N-Deacetyl-N-formyl agomelatine including the price, delivery time and more detailed product information at the technical inquiry form on this page

2-tert-Butyl-1,2,3,4-tetrahydro-isoquinoline-4,6,8-triol is an impurity found in the drug product 2-tert-butyl-1,2,3,4-tetrahydroisoquinoline. It is a synthetic compound with pharmacological properties that have been studied in animals and humans. The chemical name for 2-tert-butyl isoquinoline is 4-(2'-methylpropoxy)-isoquinoline. The structure of this compound is shown below:

Teopranitol is a potent inhibitor of kinases, which are enzymes that play a critical role in cellular signaling pathways. It belongs to the class of protein kinase inhibitors and has been shown to have inhibitory activity against a wide range of kinases. Teopranitol has been tested on various cell lines, including human cancer cells and Chinese medicine-derived cell lines. It has been found to be effective in inhibiting the growth of mutant cancer cells by blocking the activity of specific kinases. This inhibitor shows promise as a potential treatment for cancer and tumors due to its ability to target specific pathways involved in cancer progression.

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.