4-Hydroxycoumarine-manufacture,factory,supplier from China

(Total 24 Products for 4-Hydroxycoumarine)
Products Description of 4-Dimethylaminopyridine CAS#1122-58-34-dimethylaminopyridine, commonly referred to as DMAP, is a strong nucleophilic acylation catalyst. The resonance of the electron-donating dimethylamino group with the parent ring (pyridine ring) can strongly activate the nitrogen atoms on the ring for nucleophilic substitution, and significantly catalyze the acylation/esterification of alcohols and amines/acids with high resistance and low reactivity, with the activity of about 104~106 times that of pyridine.
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Products Description of 4-Chromanone CAS#491-37-2White crystals.
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Products Description of 4-Hydroxycoumarin CAS#1076-38-64-Hydroxycoumarin is a coumarin derivative, one of the most versatile heterocyclic scaffolds, commonly used in the synthesis of various organic compounds. 4-Hydroxycoumarin has electrophilic and nucleophilic properties. 4-Hydroxycoumarin appears as slightly yellow needle-shaped crystals.
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Products Description of 4-Methylmorpholine CAS#109-02-4N-methylmorpholine is an important organic chemical intermediate. It is an excellent solvent, emulsifier, corrosion inhibitor, polyurethane foam catalyst, and can also be used as a pesticide intermediate.
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Products Description of L-Arginine-L-Aspartate CAS#7675-83-4L-Arginine L-aspartate Chemical PropertiesMelting point 220-221 °Cstorage temp. 2-8°Csolubility Very soluble in water, practically insoluble in alcohol and in methylene chloride.color White to Off-WhiteStability:HygroscopicLogP-1.287 (est)CAS DataBase Reference7675-83-4(CAS DataBase Reference)EPA Substance Registry SystemArginine aspartate (7675-83-4)Product Application of L-Arginine-L-Aspartate CAS#7675-83-4Used as cosmetic amino acid nutrient, amino acid nutrient food additive, etc.
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Products Description of LANTHANUM ACETATECAS#917-70-4White powderLANTHANUM ACETATE Chemical Propertiesdensity 2.02[at 20℃]Water Solubility 100g/L at 20℃CAS DataBase Reference917-70-4(CAS DataBase Reference)EPA Substance Registry SystemLanthanum acetate (917-70-4)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of TRIDECETH-4 CAS#69011-36-5Condensation products of isomeric alcohol and ethylene oxideTRIDECETH-4 Chemical PropertiesBoiling point 290℃[at 101 325 Pa]density 0.907[at 20℃]vapor pressure 0.007Pa at 20℃Water Solubility 56mg/L at 20℃LogP4.73 at 25℃EPA Substance Registry SystemPolyethylene glycol mono(branched tridecyl) ether (69011-36-5) Safety InformationRIDADR 3082HazardClass 9PackingGroup IIIProduct Application of TRIDECETH-4 CAS#69011-36-5Isomeric alcohol ether E-1300 products are easily dispersed or soluble in water, a
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Products Description of 4-Acetylpyridine CAS#1122-54-94-Acetylpyridine is an organic compound with the molecular formula C7H7NO.4-Acetylpyridine Chemical PropertiesMelting point 13-16 °C(lit.)Boiling point 212 °C(lit.)density 1.095 g/mL at 25 °C(lit.)refractive index n20/D 1.529(lit.)Fp >230 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform, Ethyl Acetateform LiquidpkapK1: 3.505(+1) (25°C)Specific Gravity1.110 (20/4℃)color brown-yellowishWater Solubility insolubleBRN 107629InC
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Products Description of 4-Chloroquinoline CAS#611-35-84-Chloroquinoline is a key intermediate commonly used in the synthesis of quinoline derivatives with important biological activities.
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Products Description of 4-Bromopyridine hydrochlorideCAS#19524-06-24-Bromopyridine hydrochloride is a white crystalline solid at room temperature and pressure. It has a certain degree of hygroscopicity and is easily deliquescent in water. It is often used as a coupling reagent and a precursor molecule of pyridine derivatives in organic synthetic chemistry. When used, it is often pre-treated with alkali to release 4-bromopyridine.
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Products Description of Diantimony trioxide CAS#1309-64-4 Antimony trioxide is an inorganic compound with the chemical formula Sb2O3. The natural product is called antimony white, commonly known as antimony white. It is a white crystalline powder with a melting point of 655℃ and a boiling point of 1550℃. It is soluble in concentrated hydrochloric acid, sulfuric acid, alkaline solution and hot tartaric acid solution, slightly soluble in water, dilute nitric acid and dilute sulfuric acid.
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Products Description of 4-Aminoisoquinoline CAS#23687-25-44-Aminoisoquinoline is a white powdery crystal.CAS No.
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Products Description of Tetrahydrothiopyran-4-one CAS#1072-72-6Tetrahydrothiopyran-4-one (4H-Thiopyran-4-one,tetrahydro-), the molecular formula is C5H8OS.Tetrahydrothiopyran-4-one Chemical PropertiesMelting point 60-64 °C (lit.)Boiling point 140.82°C (estimate)density 1.050 (estimate)refractive index 1.5100 (estimate)storage temp. Inert atmosphere,Room Temperaturesolubility Acetonitrile (Slightly), Chloroform (Slightly)form Crystalline Solidcolor White to pale yellowBRN 106464InChIKeyOVRJVKCZJCNSOW-UHFFFAOYSA-NLogP0.490 (est)CAS DataBase Refer
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Products Description of Tetrahydro-4-pyranol CAS#2081-44-9Tetrahydropyran-4-ol is a colorless transparent liquid at room temperature and pressure. It has good polarity and hydrophilicity and can be used as a solvent in organic synthesis. The structure of tetrahydropyran-4-ol contains a tetrahydropyran unit and an active hydroxyl structure, and has high chemical reactivity and diverse chemical conversion properties. The tetrahydropyran-4-ol molecule contains a hydroxyl structure, so it has a certain polarity.
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Products Description of 7-Diethylamino-4-methylcoumarin CAS#91-44-17-Diethylamino-4-methylcoumarin is a vital organic compound with a spectrum of applications, predominantly utilized as a fluorescent brightening agent in the textile and paper industries, enhancing the whiteness and brightness of materials. Our collaboration cases exemplify its integration in improving the luminosity of various products, a testament to its effectiveness in real-world applications.
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Products Description of 4-Chlorobenzotrifluoride CAS#98-56-64-Chlorobenzotrifluorotoluene (4-chlorobenzotrifluorotoluene) is a colorless and transparent liquid with the smell of halogenated benzene.
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Products Description of 4-Methylbenzenesulfonhydrazide CAS#1576-35-8p-Toluenesulfonylhydrazine, also known as 4-methylbenzenesulfonylhydrazine, is a white crystalline powder, easily soluble in alkali, soluble in methanol, ethanol and butanone, slightly soluble in water and aldehydes, and insoluble in benzene and toluene. It is used as a foaming agent for natural rubber, synthetic rubber and a variety of plastics, making plastics and rubber products have fine closed-cell structures, small shrinkage and high tear strength.
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Products Description of POLYGLYCERYL-4 LAURATE CAS#75798-42-4Colorless liquidFactory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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4-(1-Acetylpiperazin-4-yl)phenol CAS#67914-60-7Crystalline compound.
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Products Description of Hydroxychloroquine sulfate CAS#747-36-4Hydroxychloroquine sulfate is an antimalarial drug that also has anti-inflammatory, immunomodulatory and anticoagulant effects. Currently, hydroxychloroquine is mainly used in the treatment of rheumatoid arthritis, juvenile chronic arthritis, discoid lupus erythematosus and systemic lupus erythematosus, but the clinical effect is slow, often requiring 2 to 4 months. The pharmacological action of this drug is not very clear.
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Products Description of Iodomethane CAS#74-88-4Methyl iodide is a halogenated hydrocarbon with the molecular formula CH3I, MeI. It is a monoiodine substitute of methane. The boiling point is 42.4℃, the relative density is 2.279 (20/4℃), it is a volatile liquid with high density at room temperature, the dipole moment is 1.59D, and the refractive index is 1.5304 (20°C, D), 1.5293 (21°C, D). Methyl iodide is miscible with common organic solvents, slightly soluble in water, soluble in ethanol and ether. The pure product is colorless and has a special odor.
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Products Description of 4-morpholinecarbaldehyde CAS#4394-85-8N-formylmorpholine (NFM) is an important organic solvent and fine chemical raw material. It is a colorless transparent liquid at room temperature. It has the chemical properties of amides.
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Products Description of Selenium dioxideSelenium dioxide is mainly defined as an oxidizing reagent in organic synthesis, and it is involved in a number of oxidation reactions. Probably due to the toxicity of this reagent, many of these reactions have been gradually replaced in recent years by other, better reagents from Chemicalbook.
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Products Description of 4-Acryloylmorpholine CAS#5117-12-4N-Acryloylmorpholine is a chemical substance with the molecular formula C7H11NO2.4-Acryloylmorpholine Chemical PropertiesMelting point −35 °C(lit.)Boiling point 158°C 50mmdensity 1.122 g/mL at 25 °C(lit.)vapor pressure 1.03-1.64Pa at 25-29.9℃refractive index n20/D 1.512(lit.)Fp >230 °Fstorage temp. 2-8°Csolubility Soluble in waterpka-1.08±0.20(Predicted)form Liquidcolor Colorless to yellowWater Solubility 1000g/L at 20℃Sensitive Light Sensi
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2-ACP Introduction2-ACP, is a chemical compound with the molecular formula C6H6ClN2. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals. In this article, we will discuss the properties, applications, and synthesis of 2-ACP.2-ACP Properties1. Physical Properties: 2-ACP is a white to off-white crystalline powder with a melting point of 110-114℃. It is soluble in organic solvents such as ethanol, methanol, and acetone, but insoluble in water.2. Chemical Properties: 2-ACP is a heterocyclic compound containing a pyridine ring and an amino group.
39771-34-1 Introduction4-Amino-2,6-dibromopyridine (CAS#39771-34-1) is a chemical compound that belongs to the pyridine family. It is a pale yellow crystalline solid that is soluble in water and organic solvents. This compound is widely used in the pharmaceutical and agrochemical industries due to its diverse biological activities.
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