4-Hydroxycoumarine-manufacture,factory,supplier from China

(Total 24 Products for 4-Hydroxycoumarine)
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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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 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 4-Aminoisoquinoline CAS#23687-25-44-Aminoisoquinoline is a white powdery crystal.CAS No.
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Products Description of 4-Chloropyridinium chloride CAS#7379-35-34-Chloropyridine hydrochloride can be used as a pharmaceutical intermediate in laboratory organic synthesis and chemical pharmaceutical research and development.
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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-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-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 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 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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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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 Dodecyltrimethylammonium Bromide Chemical PropertiesMelting point 246 °C (dec.)(lit.)density 1.1566 (rough estimate)vapor pressure 0Pa at 20℃refractive index 1.5260 (estimate)Fp 246°Cstorage temp. Store below +30°C.solubility H2O: 0.1 M at 20 °C, clear, colorlessform Powdercolor White to slightly yellowWater Solubility solubleSensitive Hygroscopicλmaxλ: 240 nm Amax: ≤0.2λ: 250 nm Amax: ≤0.03λ: 260 nm Amax: ≤0.02λ: 500 nm Amax: ≤0.02BRN 3597463InChIKeyXJWSAJYUBXQQDR-UHFFFAOYSA-MCAS DataBase Reference1119-94-4(
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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'-HydroxyacetophenoneCAS#99-93-4Since p-hydroxyacetophenone contains hydroxyl and ketone groups on the benzene ring in its molecule, it is often used as an intermediate in organic synthesis to react with other compounds to synthesize many important substances.
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Products Description of AzuleneCAS#275-51-4Aurobinol is a structural isomer of naphthalene, which appears as small blue leaves or monoclinic flaky crystals with the smell of naphthalene. It is soluble in general organic solvents but insoluble in water.
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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 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 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 2-Hydroxy-4-methylpyrimidine hydrochloride CAS#5348-51-62-Hydroxy-4-methylpyrimidine hydrochloride CAS No.
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Products Description of 4-Methylbenzenesulfonhydrazide CAS#1576-35-8p-Toluenesulfonyl hydrazide, also known as 4-methylbenzenesulfonylhydrazide, 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 various plastics to produce fine closed-cell structures in plastics and rubber products. The products have small shrinkage and high tear resistance.
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Products Description of 4'-Methylpropiophenone CAS#5337-93-9The molecule of p-methylpropiophenone contains a polar carbonyl (C=O) bond and a non-polar benzene ring. The whole molecule is relatively polar, but also has a certain non-polarity. Therefore, it can be dissolved in non-polar solvents such as petroleum ether and benzene, as well as polar solvents such as ethanol and dimethylformamide. The molecule of p-methylpropiophenone contains a long alkyl chain and a benzene ring, and there are certain van der Waals forces and hydrogen bonding forces between molecules.
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Products Description of 4-Chromanone CAS#491-37-2White crystals.
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Products Description of Imidazole CAS#288-32-4 Imidazole, with the molecular formula C3H4N2, is an organic compound, a type of diazole, and a five-membered aromatic heterocyclic compound containing two meta-nitrogen atoms in the molecular structure. The unshared electron pair of the 1-nitrogen atom in the imidazole ring participates in the cyclic conjugation, and the electron density of the nitrogen atom is reduced, making it easy for the hydrogen on this nitrogen atom to leave in the form of hydrogen ions.Imidazole is acidic and alkaline, and can form salts with strong bases.
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4-(1-Acetylpiperazin-4-yl)phenol CAS#67914-60-7Crystalline compound.
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Calcium chloride, CAS#10043-52-4, as a common chemical substance, plays an indispensable role in numerous industries due to its unique physical and chemical properties.In the road construction and maintenance industry, Calcium chloride, CAS#10043-52-4 is the "guardian" of winter road safety. In winter, in the northern regions of the United States, Calcium chloride, CAS#10043-52-4 is often used as a de-icing agent. It is spread on the roads to quickly melt the snow and prevent ice formation, ensuring traffic safety.
CAS#433711-95-6 IntroductionThe chemical compound (2-Bromo-pyridin-4-yl)carbamic acid tert-butyl ester, also known as CAS#433711-95-6, is a key intermediate in the synthesis of various pharmaceuticals and agrochemicals. This compound is widely used in the chemical industry due to its unique properties and versatile applications.
Glycerin: A Versatile Compound with Numerous ApplicationsGlycerin, also known as glycerol, is a simple polyol compound with a sweet taste and syrupy texture. It is widely used in various industries, including cosmetics, pharmaceuticals, and food. Due to its unique properties, such as being hygroscopic (attracting water) and non-toxic, glycerin has become an indispensable ingredient in many products.Glycerin in CosmeticsMoisturizer: Glycerin is one of the most effective humectants, drawing moisture from the air and into the skin.
Breaking News: Glycerin Market Projected to Reach US$ 3.2 Billion by 2032The global glycerin market is experiencing significant growth, with IMARC Group's recent report predicting the market to reach US$ 3.2 Billion by 2032, exhibiting a CAGR of 4.9% during 2024-2032 .
Breaking News: Innovative Advancement in Sodium Sulfur BatteriesResearchers at Osaka Metropolitan University have achieved a significant breakthrough in the development of all-solid-state sodium batteries, a promising alternative to lithium-ion batteries for next-generation energy storage systems.
What is Tianeptine Sodium Salt?Tianeptine sodium salt is an analytical reference standard, which is classified as opioid drugs. Tianeptine has been abused and has been associated with overdose and death. Preparations containing tianeptine have been used to treat depression.Tianeptine sodium salt is designed for analytical forensic applications and can also be used as a general research tool.Tianeptine Sodium Salt UsesTianeptine sodium is a tricyclic antidepressant. Its antidepressant mechanism is different from that of traditional tricyclic antidepressants.
Table of Funny Chemistry StoriesOld new sealPure blue ink and blue-black inkFind a "coat" for the bookBallpoint pen or ballpoint penFour Color Ball StampsThe "natural enemy" of glassThe "Haunted" StoryNational football - our prideFlash in the darkReferenceSodium Propionate CAS 137-40-6Old new sealThere is a batch of ancient paintings that have become grayish yellow and dull, but the seals on them are bright red, like new ones.
What is Cornmint Oil?Cornmint oil is a colorless or light yellow clear liquid. It has a special refreshing fragrance, which is pungent at the beginning and cool afterwards. After long-term storage, the color becomes darker. It is often used to repel mosquitoes and relieve physical fatigue.Legend has it that the original name of mint comes from Greek mythology. Pluto Hades fell in love with the beautiful Elf Mansi, and Pluto’s wife Persephane was very jealous.
New Research Highlights the Dual Role of Formic Acid as a Food Preservative and Potential Inducer of Antibiotic ResistanceA recent study published in Frontiers in Microbiology has shed light on the complex effects of formic acid, a common food-grade preservative, on pathogenic bacteria. The research indicates that formic acid, which is approved by the FDA for use in the food industry due to its antimicrobial properties, may also induce a viable-but-non-culturable (VBNC) state in harmful bacteria such as Acinetobacter baumannii and Klebsiella pneumoniae.
cas 31075-24-8 IntroductionMayosperse 60 is a chemical compound with the CAS#31075-24-8. It is a widely used dispersant in the chemical industry, especially in the field of coatings and paints. In this article, we will explore the properties and applications of Mayosperse 60.cas 31075-24-8 PropertiesMayosperse 60 is a high-performance dispersant with excellent stability and compatibility. It is a low viscosity liquid with a light yellow color. Its molecular weight is about 4000, and it has a hydrophobic tail and a hydrophilic head.
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