Cétones
Les cétones sont des composés organiques caractérisés par la présence d'un groupe carbonyle (C=O) lié à deux atomes de carbone. Ces composés sont très polyvalents et jouent un rôle crucial dans diverses réactions chimiques, notamment l'oxydation, la réduction et la condensation. Les cétones sont des intermédiaires essentiels dans la synthèse de produits pharmaceutiques, de parfums et de polymères. Chez CymitQuimica, nous proposons une large gamme de cétones de haute qualité pour soutenir vos applications de recherche et industrielles.
18873 produits trouvés pour "Cétones"
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(4-Iodophenyl)acetone
CAS :Produit contrôlé4-Iodophenylacetone is a chemical compound that is used as a radioactive label in animal and human studies. 4-Iodophenylacetone has been shown to be taken up by the nervous system, specifically the brain, when injected into animals. This uptake is constant with time and dose, indicating that it may be used as a radiopharmaceutical for imaging of the brain. 4-Iodophenylacetone has also been shown to have characteristics similar to those of acetate extraction (i.e., lipid solubility) and can be used for the analysis of tissue samples in liquid chromatography. The use of 4-iodophenylacetone as a labeling agent may provide information about the uptake of this compound in humans and its effects on blood pressure.
Formule :C9H9IODegré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :260.07 g/mol1-Bromobutane-2,3-dione
CAS :1-Bromobutane-2,3-dione is a chemical reagent that is used as a building block for the synthesis of complex compounds. It is soluble in many solvents and has a boiling point of 205°C. It is also useful as an intermediate in organic chemistry. 1-Bromobutane-2,3-dione can be converted to a variety of chemicals with different functional groups such as amides, esters, nitriles, and epoxides with the use of catalysts. This compound is also used in research to create diverse chemical scaffolds or building blocks for pharmaceuticals and other fine chemicals.
Formule :C4H5BrO2Degré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :164.99 g/mol2-((4-(isopropyl)phenyl)methylene)indane-1,3-dione
CAS :Please enquire for more information about 2-((4-(isopropyl)phenyl)methylene)indane-1,3-dione including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormule :C19H16O2Degré de pureté :Min. 95%Couleur et forme :Powder(1R)-(-)-2-Azabicyclo[2.2.1]hept-5-en-3-one
CAS :(1R)-(-)-2-Azabicyclo[2.2.1]hept-5-en-3-one is a carbocyclic nucleoside that has been used as a flow rate standard to measure the rate of liquid chromatography. It is an organic solvent, which has been shown to have kinetic properties in the ring opening of lactams and the hydrolysis of esters. (1R)-(-)-2-Azabicyclo[2.2.1]hept-5-en-3-one can be synthesized by reacting with a cocatalyst and a reaction time of less than 5 minutes at room temperature in a high performance liquid chromatography method or by liquid chromatography with preparative methods.br>br> (1R)-(-)-2-Azabicyclo[2.2.1]hept-5-en-3-one is used as a binding agent forFormule :C6H7NODegré de pureté :Min. 98 Area-%Couleur et forme :White PowderMasse moléculaire :109.13 g/mol1-(4-Amino-3,5-dichloro-phenyl)-2-ethanone
CAS :1-(4-Amino-3,5-dichloro-phenyl)-2-ethanone is a beta-adrenergic agent. It has been used as a stable isotope label for the study of the pharmacokinetics and metabolism of drugs in humans. In addition, it has been shown to have a good stability profile in acidic solutions and can be easily converted to other derivatives by simple chemical methods. The compound's UV spectrum is linear with respect to concentration over the range from 0.1 to 1 mg/mL, with maxima at 227 nm and 254 nm. This compound has been characterized using analytical methods such as diffraction, spectroscopy, and chromatography.
Formule :C8H7Cl2NODegré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :204.05 g/mol5-Hydroxy-4-methyl 2(5H) furanone
CAS :5-Hydroxy-4-Methyl 2(5H) furanone is an organic solvent that can be used as a byproduct of the reaction between alkali metal and dimethylformamide. It can also be generated by catalytic isomerization of methyl 2-furoate with hydrochloric acid, yielding enolate. This compound has been shown to have high yield in the conversion of 13-cis-retinoic acid into its corresponding trans isomer. 5-Hydroxy-4-Methyl 2(5H) furanone can be used as a reactant for lipase enzymes.Formule :C5H6O3Degré de pureté :Min. 95%Masse moléculaire :114.1 g/molTestosterone propionate
CAS :Produit contrôléTestosterone propionate is a synthetic androgen and anabolic steroid. It is classified as a Schedule III drug under the Controlled Substances Act, meaning that it has less potential for abuse than Schedule I or II drugs, but more potential for abuse than Schedule IV drugs. Testosterone propionate is a white crystalline solid with a melting point of about 155-160°C. It has been shown to produce significant up-regulation of ovarian activity in rats following injection into their ovaries. This effect may be due to testosterone's ability to activate the polymerase chain reaction (PCR). Testosterone propionate also induces the production of polymorphonuclear leucocytes by binding to toll-like receptors on cell surfaces, which may play a role in bowel disease. The use of testosterone propionate nanoparticulate compositions as a delivery system may allow for more efficient absorption into the bloodstream, leading to increased bioavailability. Testosterone propionate can also cause an increase in energyFormule :C22H32O3Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :344.49 g/mol5-Chloro-2-methyl-2H-isothiazol-3-one hydrochloride
CAS :5-Chloro-2-methyl-2H-isothiazol-3-one hydrochloride (Kathon CG) is a preservative that belongs to the group of sesquiterpene lactones. It is used in cosmetics, pharmaceuticals, and industrial products as an antimicrobial agent. Kathon CG has been shown to be effective against bacteria such as Escherichia coli and Staphylococcus aureus. Kathon CG has also been found to be nontoxic to human cells in vitro at concentrations up to 100%. The optimum concentration for this preservative has been found to be 0.0025% in vivo on human skin and 0.025% in vitro on human skin. This preservative is not toxic to humans or animals when ingested at doses up to 2 g/kg body weight and can cause dermatitis at concentrations of 10%.Formule :C4H5Cl2NOSDegré de pureté :Min. 95 Area-%Couleur et forme :Red PowderMasse moléculaire :186.06 g/mol(2,5-Dimethoxyphenyl)acetone
CAS :2,5-Dimethoxyphenyl)acetone is an impure chemical compound that has been used in the synthesis of 4-methoxyamphetamine. 2,5-Dimethoxyphenyl)acetone is a colorless liquid with a sweet odor. It can be purified by passing through a column of activated charcoal and washing with water or alcohol. The purity can be determined by spectrometry or magnetic resonance spectroscopy. The compound's homologues are also available for purchase on our website.
Formule :C11H14O3Degré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :194.23 g/mol4-Pregnen-17alpha,20alpha,21-triol-3-one
CAS :Produit contrôlé4-Pregnen-17alpha,20alpha,21-triol-3-one (4PT) is a versatile building block that can be used in the synthesis of complex compounds. It has been used as a reagent and speciality chemical in research chemicals and as an intermediate for pharmaceuticals and other organic syntheses. 4PT also has been shown to have high quality with a reaction component and scaffold for organic synthesis.Formule :C21H32O4Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :348.48 g/mol(5α)-17-(3-Pyridinyl)androst-16-en-3-one
CAS :Produit contrôlé(5α)-17-(3-Pyridinyl)androst-16-en-3-one is a natural metabolite of testosterone that is produced in the liver. It has been identified as an impurity in API, which can be found in drugs used for the treatment of high blood pressure and prostate cancer. (5α)-17-(3-Pyridinyl)androst-16-en-3-one is not active as a drug itself, but it can be used as a standard to study the metabolism of testosterone and other steroids.Formule :C24H31NODegré de pureté :Min. 98 Area-%Couleur et forme :White PowderMasse moléculaire :349.51 g/mol3-ethyl-5-((2-hydroxy-3-methoxyphenyl)methylene)-2-thioxo-1,3-thiazolidin-4-one
CAS :Please enquire for more information about 3-ethyl-5-((2-hydroxy-3-methoxyphenyl)methylene)-2-thioxo-1,3-thiazolidin-4-one including the price, delivery time and more detailed product information at the technical inquiry form on this pageDegré de pureté :Min. 95%1,5-Bis(4-hydroxyphenyl)pentane-1,5-dione
CAS :1,5-Bis(4-hydroxyphenyl)pentane-1,5-dione is a fine chemical that can be used as an intermediate in the synthesis of other compounds. It is also a useful building block for the synthesis of complex compounds. This compound can be used as a reagent for research purposes or as a reaction component in the synthesis of speciality chemicals. 1,5-Bis(4-hydroxyphenyl)pentane-1,5-dione has been shown to have high purity and quality.Formule :C17H16O4Degré de pureté :Min. 95%Masse moléculaire :284.31 g/mol4-Methyl-2H-1,4-benzoxazin-3(4H)-one
CAS :4-Methyl-2H-1,4-benzoxazin-3(4H)-one is an organic compound that is a hydrogen chloride salt. It is used in the isolation and identification of catechols. The compound has been shown to form condensation products with cellulose, which are detected using analytical techniques such as chromatography and spectrophotometry. 4-Methyl-2H-1,4-benzoxazin-3(4H)-one has a trifluoride ion as its chromophore, which can be detected using analytical techniques.Formule :C9H9NO2Degré de pureté :Min. 95%Couleur et forme :PowderMasse moléculaire :163.17 g/mol5a-Androst-16-en-3-one
CAS :Produit contrôlé5a-Androsten-3,16-dione is a steroid hormone that binds to the androgen receptor. It is present in sweat and urine and may be used as a marker for the detection of testosterone doping. Studies have shown that 5a-androsten-3,16-dione interacts with other hormones such as estradiol benzoate and skatole. The transfection experiments showed significant interactions between 5a-androsten-3,16-dione and pueraia lobata extract. The sample preparation methods should include extraction with organic solvents such as ethyl acetate or chloroform/methanol followed by liquid–liquid partitioning with water or ethyl acetate to remove any lipids. The analytical method used in this study was gas chromatography/mass spectrometry (GC/MS). GC/MS analysis demonstrated that 5a-androsten-3,16-dione can be detected inFormule :C19H28ODegré de pureté :Min. 98 Area-%Couleur et forme :PowderMasse moléculaire :272.43 g/mol3-Methylphenylacetone
CAS :3-Methylphenylacetone is a dioxane with functional groups, which can be synthesized by coupling of acetoacetate and nitrobenzene. 3-Methylphenylacetone is a versatile precursor for the synthesis of various esters, such as phenylethyl acetate. This compound can also be deacylated to form 3-methylphenol, which is used in the synthesis of nitrophenols. In addition, 3-methylphenylacetone can be used in the production of acetophenones, ketones, and other aromatic compounds by using catalysts such as iodine or phosphoric acid. Nitro groups on 3-methylphenylacetone react with chloro-, bromo-, or methoxy-substituted substrates to form nitrosated derivatives. The tert-butyl group is eliminated spontaneously to form an amine.Formule :C10H12ODegré de pureté :Min. 95%Couleur et forme :Clear LiquidMasse moléculaire :148.2 g/mol4,4-Difluorocyclohexan-1-one
CAS :4,4-Difluorocyclohexan-1-one (DFCO) is a colorless liquid that is soluble in organic solvents. It has been shown to have potential as a treatment for Alzheimer's disease due to its ability to inhibit the conformational changes in the amyloid beta peptide. DFCO was synthesized by reacting pyridazine with difluoroethanol, which led to the formation of two stereoisomers: R and S. The R stereoisomer was found to be more potent than the S stereoisomer in inhibiting acetylcholine release from human lung cells and had better binding affinity for adenosine receptors. This compound also showed antiinflammatory properties when it was used as an inhibitor of prostaglandin synthesis in mice.Formule :C6H8F2ODegré de pureté :Min. 95%Couleur et forme :White PowderMasse moléculaire :134.12 g/mol1.8-Diazacyclotetradecane-2,7-dione
CAS :1.8-Diazacyclotetradecane-2,7-dione is a solid formed as an unwanted side-product in the conventional process to form Nylon 66 from adipic acid and hexamethylene diamine. The 1.8-diazacyclotetradecane-2,7-dione thus produced can be washed out of the final Nylon polymer. However, an alternative process allows for 1.8-diazacyclotetradecane-2,7-dione to be used as part of the feedstock for Nylon 66 and other lower molecular weight polymers.Formule :C12H22N2O2Degré de pureté :Min. 95%Couleur et forme :White PowderMasse moléculaire :226.32 g/mol(4-Ethoxyphenyl)acetone
CAS :(4-Ethoxyphenyl)acetone is a versatile building block that can be used as an intermediate in the synthesis of other compounds. It is also an excellent reagent for organic syntheses and can be used in research chemical laboratories. This compound is a useful scaffold, due to its high quality and speciality chemical properties. (4-Ethoxyphenyl)acetone is not listed on the Chemical Abstracts Service Registry Number index, but has CAS number 144818-72-4.Formule :C11H14O2Degré de pureté :Min. 95%Masse moléculaire :178.23 g/molEthyl undecyl ketone
CAS :Ethyl undecyl ketone is the organic compound with the formula (CH3)2C(=O)C(CH3)2. It is a colorless liquid that smells like oranges. It is used as a solvent and in the production of citronella oil, which is used in perfumes, soaps, and insecticides. The reaction vessel can be used to produce mosquitoes by introducing the bacteria Culex pipiens and feeding them with sugar or yeast. The strain of mosquito that develops has been shown to be more resistant to dry weight loss than other strains. Ethyl undecyl ketone also reacts with citratus in a process called esterification, resulting in fatty alcohols such as ethyl oleate and ethyl stearate. Ethyl undecyl ketone contains methyl ketones that are diagnostic for various systemic diseases such as hyperthyroidism and liver disease. These compounds are also found in fatty acids found in AsFormule :C14H28ODegré de pureté :Min. 95%Couleur et forme :SolidMasse moléculaire :212.37 g/mol
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