Padrões Farmacêuticas

<p>Applications Derivative of Artemisinin (A777500). Antimalarial, used to treat strains of malaria which are multi-drug resistant.<br>References Hombhanje, F., et al.: Pharma., 3, 3581 (2010), Michael, O., et al.: Malaria J., 9, 335 (2010), Cesar, I., et al.: J. Pharm. Biomed. Anal., 54, 114 (2011),<br></p>

<p>Applications DL-Methionine methylsulfonium chloride (cas# 3493-12-07) is a useful research chemical.<br></p>

<p>Applications Labelled Vanillin. Occurs naturally in a wide variety of foods and plants such as orchids; major commercial source of natural vanillin is from vanilla bean extract. Synthetically produced in-bulk from lignin-based byproduct of paper processes or from guaicol.<br>References Jenner, P.M., et al.: Food Cosmet. Toxicol., 2, 327 (1964), Clark, G.S., et al.: Perfum. Flavor., 15, 45 (1990),<br></p>

<p>Impurity Artemether USP Related Compound B<br>Applications Derivative of Artemisinin (A777500). Shows antimalarial and antifungal activity.<br>References Michael, O., et al.: Malaria J., 9, 335 (2010), Cesar, I., et al.: J. Pharm. Biomed. Anal., 54, 114 (2011), Galal, A. et al.: J. Nat. Prod. 68, 1274 (2005)<br></p>

<p>Cholesterol decanoate is a chiral chemical compound that is used in the diagnosis of hepatitis. Cholesterol decanoate has been shown to be effective against cholesterol esterase, which is an enzyme that catalyzes the hydrolysis of cholesterol esters and triglycerides. This drug also prevents the formation of fatty acid and fatty esters, which are important for cellular function. In addition, cholesterol decanoate has been found to be beneficial for treating symptoms related to high cholesterol and triglyceride levels.</p>

<p>1-(3,4-Methylenedioxyphenyl) 2-nitropropene (1-MPNP) is a phosphatase inhibitor that is active against gram-negative bacteria by inhibiting enterotoxins and chlamydia. 1-MPNP inhibits the activity of tyrosine phosphatases, which are enzymes that play a major role in bacterial virulence. 1-MPNP competitively inhibits the activity of tyrosine phosphatases and prevents them from catalyzing the hydrolysis of polyphosphate substrates. This inhibition leads to an accumulation of polyphosphates in the bacterial cell membrane, which disrupts its permeability and leads to cell death.</p>

<p>3,3',4',5,5',8-Hexahydroxyflavone is a naturally occurring flavonoid, which is a type of polyphenolic compound. It is derived from various plant sources, including fruits, vegetables, and certain medicinal herbs. The compound is characterized by its chemical structure, which includes multiple hydroxyl groups, contributing to its biological activity.<br><br>The mode of action of 3,3',4',5,5',8-Hexahydroxyflavone involves its interaction with various cellular pathways and enzymes. Primarily, it is known for its antioxidant properties, where it scavenges free radicals and reactive oxygen species, thereby reducing oxidative stress. Additionally, it may exhibit anti-inflammatory effects by modulating signaling pathways involved in inflammation.<br><br>In terms of uses and applications, 3,3',4',5,5',8-Hexahydroxyflavone is primarily explored in scientific research focusing on its potential health benefits. Studies investigate its role in disease prevention, particularly conditions associated with oxidative stress and inflammation, such as cardiovascular diseases and neurodegenerative disorders. While it holds promise in these areas, further research is necessary to fully understand its mechanisms and therapeutic potential.</p>

<p>(1R,2S,3S,5S)-3-(4-Iodophenyl)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylicacid methyl ester is a molecule that has been shown to be effective in lowering the symptoms of Parkinson's disease. It also prevents the uptake of dopamine and serotonin in the brain by binding to dopamine and serotonin transporters on the cell membrane. This drug has been shown to be safe at doses up to 100 mg/kg/day in rats, but has not been tested in humans. The drug is stable in neutral pH environments and does not degrade upon exposure to light or oxygen.</p>

<p>L-Methionine is a non-essential amino acid that belongs to the group of essential amino acids. It is a major constituent of proteins and is used in the metabolism of lipids, carbohydrates, and nucleic acids. Methionine is also involved in the synthesis of cysteine, which is an important antioxidant. L-Methionine can be found in many foods such as eggs, dairy products, fish, poultry, soybean products, peanuts, beans and seeds. Studies have shown that L-methionine has effects on liver function and may be useful for prevention or treatment of liver disorders such as primary sclerosing cholangitis (PSC). This compound also plays a role in the formation of body tissues and cells. L-Methionine has been shown to increase glutathione levels which are important for detoxification reactions and protection against oxidative stress. It also helps regulate calcium metabolism by reducing calcium absorption from food and increasing excretion via</p>

<p>Applications Guanosine-5'-triphosphate disodium salt (CAS# 56001-37-7) is a nucleotide used in the preparation of photoreactive GTP affinity probes, and in inhibitors of eukaryotic initiation factor eIF-4E.<br>References George Cisar, E. A.; J. Am. Chem. Soc., 135, 4676 (2013); Ghosh, P.; et al.: Bioorg. Med. Chem. Lett., 16, 750 (2006).<br></p>

<p>Applications Triethylborane reacted with 8-hydroxyquinoline to synthesize three 8--​hydroxyquinolato (q) boron compounds B(C2H5)​2q (1)​, BPh2q (2)​, and B(2-​naph)​2q (3).<br>References Wu, Q., et al.: Chem. Mater., 12, 79 (2000).<br></p>

<p>Applications N-Acetylethylene Urea-d4 (cas# 1189701-94-7) is a compound useful in organic synthesis.<br></p>

<p>5-(3-Nitrophenyl)-1H-pyrazole-3-carboxylic acid is a molecule that inhibits the proliferation of cancer cells in vitro. This compound has been shown to inhibit the growth of human breast cancer cells in culture, with IC50 values of 7.8 µM for MCF-7 and 5.6 µM for A549 cells. It also inhibits cell growth in MDA-MB231 cells, which are human breast carcinoma cells, with IC50 values of 4.5 µM for MCF-7 and 2.4 µM for A549 cells. The mechanism by which this drug inhibits cancer cell proliferation is not clear but may be due to its ability to interfere with DNA synthesis or protein synthesis.</p>

<p>Applications The formation of p-Cresol-(methyl-13C) via phenol methylation at higher temperature from the deactivation of basic catalyst.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Borodina, I. B., et al.: Russ. J. Phys. Chem., 80, 892-898 (2006)<br></p>

<p>Applications [4S-(4α,7β,7aα)]-7,7a-Dihydro-7-hydroxy-4-methoxy-4H-furo[3,2-c]pyran-2(6H)-one-13C3 is an intermediate used in the synthesis of Patulin-13C3 (P206502), which is a labelled Patulin (PAT), a mycotoxin produced by certain species of Penicillium, Aspergillus, and Byssochlamys, is mainly found in ripe apple and apple products. Patulin-induced genotoxicity and modulation of glutathione in Hep G2 cells. Antibiotic.<br>References Scott, P., et al.: J. Agric. Food Chem., 20, 450 (1972), Aden, D., et al.: Nature, 282, 615 (1979), Surralles, J., et al.: Mutat. Res., 341, 169 (1995), Alves, I., et al.: Mutagenesis, 15, 229 (2000), Liu, B., et al.: Toxicol. Appl. Pharmacol., 191, 255 (2003)<br></p>

<p>Please enquire for more information about Methyl (2,4-dinitrophenyl)acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Naphthalene is a chemical that is used for wastewater treatment and as a pesticide. It is also used in the manufacturing of polymers, resins, and plastics. Naphthalene has antimicrobial properties due to its hydrophobic effect. Naphthalene's antimicrobial activity is based on its ability to react with the skeleton of bacterial cells and disrupt the integrity of their outer membrane. Naphthalene also interacts with proteins and DNA, causing cell death. The molecular mechanisms of naphthalene's antibacterial activity are not well understood but have been studied using Hl-60 cells, which are immortalized human monocytic leukemia cells. This study showed that naphthalene affects the cell cycle by inhibiting protein synthesis in bacteria through binding to ribosomes or by disrupting the dna replication process.</p>

<p>Please enquire for more information about 6-Methoxy-1,2,3,4-tetrahydronaphthalen-2-ylamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Valeric acid is a fatty acid that is used in the manufacture of polymers. Valeric acid can be synthesized from caproic acid, which is found in palm oil and coconut oil. Valeric acid has been shown to inhibit the activity of nicotinic acetylcholine receptors at low concentrations and to have an inhibitory effect on the ryanodine receptor at high concentrations. Valeric acid also has a matrix effect on analytical methods such as gas-liquid chromatography, which has been modeled using polymer compositions.</p>

<p>7b-Hydroxy cholesterol 3b-acetate is an allylic compound that is catalyzed by molybdenum, which eliminates the acetyl group at position 7 to form a double bond with the 3-position. The reaction temperature of 7b-hydroxy cholesterol 3b-acetate can be increased to high temperatures (i.e., &gt;100°C) for the elimination process, and allylic acetates are obtained as products. The reaction starts with the addition of hexacarbonyl, which leads to a diene intermediate. This is then eliminated by adding acetamide in presence of high concentration of acetic acid and catalytic amounts of molybdenum. The low yield and efficiency, however, are major drawbacks of this process.</p>

<p>Please enquire for more information about Tyr-(D-Dab 4,Arg5,D-Trp8)-cyclo-Somatostatin-14 (4-11) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 3-Iodo-L-tyrosine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 2-Bromo-3',4'-(methylenedioxy)propiophenone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>