Cetonas
As cetonas são compostos orgânicos caracterizados pela presença de um grupo carbonilo (C=O) ligado a dois átomos de carbono. Esses compostos são altamente versáteis e desempenham um papel crucial em várias reações químicas, incluindo oxidação, redução e condensação. As cetonas são intermediários essenciais na síntese de produtos farmacêuticos, fragrâncias e polímeros. Na CymitQuimica, oferecemos uma ampla gama de cetonas de alta qualidade para apoiar suas aplicações de pesquisa e industriais.
Foram encontrados 18894 produtos de "Cetonas"
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2-Chloro-1-(1,2,5-trimethyl-1H-indol-3-yl)ethanone
CAS:Produto ControladoPlease enquire for more information about 2-Chloro-1-(1,2,5-trimethyl-1H-indol-3-yl)ethanone including the price, delivery time and more detailed product information at the technical inquiry form on this pageFórmula:C13H14ClNOPureza:Min. 95%Peso molecular:235.71 g/mol(16a)-21-(Acetyloxy)-16-methyl-pregna-1,4,9(11)-triene-3,20-dione
CAS:Produto ControladoPlease enquire for more information about (16a)-21-(Acetyloxy)-16-methyl-pregna-1,4,9(11)-triene-3,20-dione including the price, delivery time and more detailed product information at the technical inquiry form on this pageFórmula:C24H30O4Pureza:Min. 95%Peso molecular:382.49 g/mol3-Cyclopenten-1-one
CAS:3-Cyclopenten-1-one is a molecule that is an organic compound that contains a cyclic ring of five carbon atoms. It is a colorless liquid with a pungent odor. 3-Cyclopenten-1-one has been used in the synthesis of various heterocycles and polymers. Cyclopentenones are formed by the reaction of acetylene with ethylene oxide and may be obtained by the reaction of formaldehyde with acetaldehyde. The synthesis of 3-cyclopenten-1-one can be done by reacting 2,5-dihydroxybenzene with anhydrous calcium chloride at high temperatures or by heating 2,4,6-dimethylaniline with acetic acid and sodium acetate at 180°C for 24 hours. 3-Cyclopentenone can also be synthesized from norbornene using dibromocarbene as a reagent. 3-CyclFórmula:C5H6OPureza:Min. 95%Peso molecular:82.1 g/molPhenyl vinylketone
CAS:Phenyl vinylketone is a substance that belongs to the group of organic compounds called vinyl. This compound has been shown to have biological properties. Phenyl vinylketone is synthesized by an intramolecular hydrogen-transfer reaction between the hydroxyl group and the ketone group in a molecule. The phenyl vinylketone can be found in receptor cells, which are cells that detect changes in the environment. The kinetic data for this compound shows that a high dose of phenyl vinylketone inhibits cell proliferation, but does not cause cell death. Phenyl vinylketone is not metabolized and interacts with other substances through ester linkages.
Fórmula:C9H8OPureza:Min. 95%Peso molecular:132.16 g/mol2-(2-Aminoethyl)-3',6'-bis(diethylaMino)spiro[isoindoline-1,9'-xanthen]-3-one
CAS:Please enquire for more information about 2-(2-Aminoethyl)-3',6'-bis(diethylaMino)spiro[isoindoline-1,9'-xanthen]-3-one including the price, delivery time and more detailed product information at the technical inquiry form on this pagePureza:Min. 95%Cyclopropyl 2-fluorobenzyl ketone
CAS:Cyclopropyl 2-fluorobenzyl ketone is an inhibitor that blocks the production of cyclic nucleotides and thereby inhibits the activity of the enzyme phosphodiesterase. It has been shown to inhibit platelets and inhibit the metabolic rate in rats. The drug also has a cytotoxic effect on rat liver cells, which may be due to its ability to bind hydrogen bonds. Cyclopropyl 2-fluorobenzyl ketone has been found to have a strong inhibitory effect on ticagrelor, statins, and anti-platelet agents. This drug has also shown a potential for adverse drug interactions with other biological products such as erythropoietin, insulin, or heparin.Pureza:Min. 95%1-(2,3-Dihydroxypropyl)-3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione
CAS:Produto Controlado1-(2,3-Dihydroxypropyl)-3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione (theophylline) is a bronchodilator and anti-inflammatory agent. It is used to treat asthma and other respiratory conditions. Theophylline is structurally similar to caffeine and theobromine and has been shown to have a similar effect on the heart and blood vessels as these stimulants. It also stimulates the central nervous system in a manner similar to that of theobromine. Theophylline has shown some benefit in congestive heart failure patients but has not been proven effective for treating high blood pressure or fibrillation.Fórmula:C10H14N4O4Pureza:Min. 95%Peso molecular:254.24 g/mol3,4-Methylenedioxyphenyl butyl ketone
CAS:Produto Controlado3,4-Methylenedioxyphenyl butyl ketone (MBK) is a synthetic drug that is structurally related to the amphetamines. MBK has been shown to induce locomotor hyperactivity in mice and exhibits pharmacokinetic properties similar to other amphetamine-type stimulants. MBK has a high affinity for the glutamate transporter, leading to an increase in extracellular concentrations of this neurotransmitter. This may lead to neurotoxicity with repeated use. MBK also interacts with the glutamate receptor and affects glutamate homeostasis. The administration of ceftriaxone, a cephalosporin antibiotic, has been found to attenuate the effects of MBK on dopamine levels and motor activity in rats.Fórmula:C12H14O3Pureza:Min. 95%Peso molecular:206.24 g/mol1,3-Benzodioxol-5-yl(phenyl)methanone
CAS:Produto ControladoPlease enquire for more information about 1,3-Benzodioxol-5-yl(phenyl)methanone including the price, delivery time and more detailed product information at the technical inquiry form on this pageFórmula:C14H10O3Pureza:Min. 95%Peso molecular:226.23 g/molClobetasol Propionate - Impurity C
CAS:Produto Controlado21-Chloro-9-fluoro-11beta,17-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 17-propionate is an ester of ketoconazole and the propionic acid. It is used as a pharmaceutical formulation and has been shown to be stable in an HPLC method. This compound also has an optical isomer that was validated by a stability test. This product has been shown to have antiinflammatory properties and may be used as a topical treatment for skin disorders such as clobetasol propionate.Fórmula:C25H32ClFO5Pureza:Min. 95%Peso molecular:466.97 g/mol17b-Acetoxy-2a-bromo-5a-androstanone
CAS:Produto Controlado17b-Acetoxy-2a-bromo-5a-androstanone is a chemical that belongs to the class of hydroxysteroids. It is a potent aromatization agent and has been shown to increase the production of estradiol in human placental tissue. 17b-Acetoxy-2a-bromo-5a-androstanone also has been shown to be a potent inhibitor of bacterial growth, with an MIC90 of 0.1 micrograms per milliliter.Fórmula:C21H31BrO3Pureza:Min. 95%Peso molecular:411.37 g/mol3-Methylcyclopentanone
CAS:3-Methylcyclopentanone is a chiral compound that can be prepared by the asymmetric synthesis of 3-methylpentan-2-one. The chemical analyses of 3-methylcyclopentanone have been found to have a dry weight of 136.19 g/mol, with a molecular formula of C5H7O2. 3-Methylcyclopentanone can be identified by its hydrogen bonding interactions and hydroxyl group (-OH). The photoelectron spectrum shows the presence of an intramolecular hydrogen bond between the -OH group and one of the methyl groups. This intramolecular hydrogen bond is responsible for the high boiling point and low reactivity. This molecule has an a-type configuration, which gives it a higher mass analyzer peak at m/z = 166 than for other configurations, such as b or c. This product description is not complete, please help us improve it by filling in missing details!Fórmula:C6H10OPureza:Min. 95%Cor e Forma:Clear LiquidPeso molecular:98.14 g/mol1-(4-Aminophenyl)-1H-pyridin-2-one
CAS:1-(4-Aminophenyl)-1H-pyridin-2-one is a synthetic chemical that is used in the manufacturing of 8-hydroxyquinoline. It is an industrial chemical that is used to produce potassium carbonate by a reflux reaction with potassium and carbonate. 1-(4-Aminophenyl)-1H-pyridin-2-one is a gas at room temperature and pressure and has been shown to be stable under these conditions.
Fórmula:C11H10N2OPureza:Min. 95%Cor e Forma:White PowderPeso molecular:186.21 g/mol3a,21-Dihydroxy-5a-pregnane-11,20-dione 21-acetate
CAS:Produto Controlado3a,21-Dihydroxy-5a-pregnane-11,20-dione 21-acetate is a short-acting intravenous anaesthetic that is used in surgical procedures. It has been shown to have antinociceptive properties and can be used as a potent analgesic. 3a,21-Dihydroxy-5a-pregnane-11,20-dione 21-acetate binds to the alpha1 adrenergic receptor and blocks the release of noradrenaline from nerve terminals in the brain. This prevents the activation of neurons in the spinal cord that transmit pain signals to the brain. The drug also inhibits the action of gamma aminobutyric acid on neurones and increases levels of cortisol concentration in blood plasma. The mechanism by which 3a,21 -dihydroxy 5a pregnane 11,20 dione 21 acetate produces its anaesthetic effects has not yet been elucidated.Fórmula:C23H34O5Pureza:Min. 95%Peso molecular:390.51 g/molPiperidine-2,5-dione
CAS:Piperidine-2,5-dione is a synthetic compound that is used for the synthesis of benzyl esters, stereospecific chiral compounds, and amides. It can be used as a building block in the synthesis of natural products. Piperidine-2,5-dione has been shown to inhibit the activity of enzymes such as lactamases and amidases. The mechanism by which piperidine-2,5-dione inhibits these enzymes is not yet known. This compound also can react with potassium hydride to form radical species or alkylate boronic acids to form stereochemically pure products.
Fórmula:C5H7NO2Pureza:Min. 95%Peso molecular:113.11 g/mol1,5-Bis(4-allyldimethylammoniumphenyl)pentan-3-one, dibromide
CAS:1,5-Bis(4-allyldimethylammoniumphenyl)pentan-3-one, dibromide is a reversible inhibitor of acetylcholinesterase. It has been shown to inhibit the enzyme activity in vitro and in vivo. 1,5-Bis(4-allyldimethylammoniumphenyl)pentan-3-one, dibromide has been shown to be an effective inhibitor of nicotinic acetylcholine receptors in model organisms such as Xenopus oocytes and Acetylcholine esterase activated rat pheochromocytoma cells. The molecule also inhibits the phosphorylation of pnitrophenyl phosphate by choline kinase. This inhibiting effect on choline kinase leads to a decrease in the concentration of choline available for neurotransmitter synthesis. Monoclonal antibodies against acetylcholinesterase are used to detect thisFórmula:C27H38Br2N2OPureza:Min. 95%Peso molecular:566.41 g/mol9beta,11beta-Epoxy-17,21-dihydroxypregn-4-ene-3,20-dione
CAS:9beta,11beta-Epoxy-17,21-dithydroxypregn-4-ene-3,20-dione is a synthetic intermediate that has been used in the synthesis of other chemicals. It has a resonance structure and is an oxygenated compound. 9beta,11beta-Epoxy-17,21-dithydroxypregn-4-ene-3,20-dione can be synthesized by acetylation of 17alpha-[(1S)-2-(acetyloxy)ethyl]-pregna -4,9(11)-diene -3,20 - dione with acetic anhydride and mercury (II) chloride. The molecule's nuclear magnetic resonance (NMR) spectrum consists of signals at 7.5 ppm for the methyl group on C8 and 2.5 ppm for the methyl group on C9.Fórmula:C21H28O5Pureza:Min. 95%Peso molecular:360.44 g/mol(2,4-Dichlorophenyl)acetone
CAS:(2,4-Dichlorophenyl)acetone is a substance that can be found in lichens. The natural occurrence of this substance has been shown by the use of chromatography technique on plates. (2,4-Dichlorophenyl)acetone is also used as a screening agent for lichens.Fórmula:C9H8Cl2OPureza:Min. 95%Cor e Forma:Off-White PowderPeso molecular:203.06 g/molXylyldibutylbenzofuranone
CAS:Xylyldibutylbenzofuranone is a stabilizer that is added to plastics to prevent the polymer from splitting into its constituent monomers. It has been shown to be an effective antioxidant, inhibiting the oxidation of polyvinyl chloride and polyethylene terephthalate plastics. Xylyldibutylbenzofuranone can be used in combination with phosphites, which form stable compounds with the stabilizer. These compounds are not allergenic or damaging to health, but may cause allergic reactions in sensitive individuals. The analytical method for determining the content of xylyldibutylbenzofuranone in a plastic material is based on its carboxylate group and functional groups. Xylyldibutylbenzofuranone does not damage the environment and has been shown to have antioxidant effects against ozone-induced oxidation of polystyrene.
Fórmula:C24H30O2Pureza:Min. 95%Cor e Forma:PowderPeso molecular:350.49 g/mol1-(Bicyclo[2.2.1]hept-5-en-2-yl)ethanone
CAS:1,2-Dihydrobenzene (1,2-DH) is a molecule that has the chemical formula C6H6. It is a colorless liquid with boiling point of 147°C and melting point of -11°C. 1,2-DH has been shown to form hydrogen bonds with water molecules. This compound is also insoluble in water, which may be due to its dehydrating properties. When catalyzed by an acid or base, 1,2-DH undergoes dehydration reactions. Acidic or basic conditions are required for this reaction to occur and the resulting product can be determined by x-ray diffraction studies. 1,2-DH has been shown to form coordination complexes with metal ions such as copper (Cu) and zinc (Zn). These complexes have been shown to have ligand binding properties that lead to supramolecular structures. Intermolecular hydrogen bonding interactions between 1,2-DH molecules have also been observed duringFórmula:C9H12OPureza:Min. 95%Peso molecular:136.19 g/mol
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