Dl Alpha-manufacture,factory,supplier from China

(Total 24 Products for Dl Alpha)
Products Description of DL-Limonene CAS#138-86-3Dipentene is a colorless, flammable liquid at room temperature with a pleasant lemon scent.
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Products Description of DL-Menthol CAS#89-78-1 Menthol is a chemical agent. It is extracted from the leaves and stems of mint. It is a white crystal with a molecular formula of C10H20O. It is the main component of mint and peppermint essential oils. In the world, China and Brazil are the main natural mint producers, and the annual output of mint oil reaches 2000-3000 tons. Menthol and racemic menthol can be used as flavoring agents for toothpaste, perfume, beverages and candies.
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Products Description of 2,4-Difluoro-alpha-(1H-1,2,4-triazolyl)acetophenone CAS#86404-63-9Pharmaceutical Chemical Intermediates2,4-Difluoro-alpha-(1H-1,2,4-triazolyl)acetophenone Chemical PropertiesMelting point 103-107 °C(lit.)Boiling point 388.0±52.0 °C(Predicted)density 1.39±0.1 g/cm3(Predicted)storage temp. 2-8°Csolubility Chloroform (Slightly), Methanol (Slightly)form Solidpka2.05±0.10(Predicted)color White to pale brownCAS DataBase Reference86404-63-9(CAS DataBase Reference)Safety InformationSafety Statements 24/25WGK Germany 3HS Cod
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Products Description of 1,2-O-Isopropylidene-Alpha-D-Xylofuranose CAS#20031-21-41,2-O-isopropylidene-α-D-xylofuranose can be used to prepare 3-deoxy-1,2-O-isopropylidene-D-xylofuranose. 3-Deoxy-1,2-O-isopropylidene-D-xylofuranose is a chiral intermediate for the synthesis of atorvastatin to produce the pharmacological side chain.
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Products Description of DL-Mandelic acid 99% CAS#90-64-2Mandelic acid is a large molecular weight fruit acid that is lipophilic. Compared with the common fruit acid-glycolic acid, mandelic acid has certain antibacterial ability. At the same time, compared with common glycolic acid and lactic acid, its penetration rate into Chemicalbook skin will be slower, which means that it is less irritating than glycolic acid. Its fat solubility is increased and the ability of stratum corneum to penetrate the skin is improved.
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Poly(oxy-1,2-ethanediyl), .Alpha.-Hydro-.Omega.-Hydroxy-, Mono-C12-14-Alkyl Ethers, Phosphates CAS#68511-37-5The molecular structure contains polyoxyethylene segments, hydroxyl groups, C12-14 alkyl ether and phosphate groups. This unique structure enables it to have multiple properties. It has good surface activity, can reduce the surface tension of the liquid, and play the role of emulsification, dispersion and wetting at the interface.
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Products Description of BISPHENOL A ETHOXYLATE DIMETHACRYLATE CAS#41637-38-1Colorless liquidBISPHENOL A ETHOXYLATE DIMETHACRYLATE Chemical Propertiesdensity 1.12 g/mL at 25 °C(lit.)refractive index n20/D 1.532Fp >230 °Fstorage temp. 2-8°CEPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-[(2-methyl-1-oxo-2-propenyl)oxy]- (41637-38-1)Safety InformationHazard Codes XiRisk Statements 36/37/38-43Safety Statements 26-36WGK Germany 3 Factory and Equ
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Products Description of D-(-)-ERYTHROSE CAS#583-50-6D-erythrose-4-phosphate is an intermediate in the enzymatic conversion of carbohydrates.D-(-)-ERYTHROSE Chemical PropertiesMelting point <25℃Boiling point 144.07°C (rough estimate)alpha D20 +1° -14.5° (3 days, c = 11)density 1.0500 (rough estimate)refractive index 1.498storage temp. 2-8°Csolubility Methanol, Waterform syruppka12.49±0.20(Predicted)color light yellowWater Solubility Fully miscible in water.Sensitive HygroscopicMerck 14,3690BRN 1721698CAS DataBase Reference
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Products Description of O-Phenylphenoxyethyl Acrylate CAS#72009-86-0White powderO-Phenylphenoxyethyl Acrylate Chemical Propertiesvapor pressure 0Pa at 20℃Water Solubility 30mg/L at 20℃InChIInChI=1S/C17H16O3/c1-2-17(18)20-13-12-19-16-11-7-6-10-15(16)14-8-4-3-5-9-14/h2-11H,1,12-13H2InChIKeyVAZQKPWSBFZARZ-UHFFFAOYSA-NSMILESC(OCCOC1=CC=CC=C1C1=CC=CC=C1)(=O)C=CLogP3.68EPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-2-propenyl)-.omega.-([1,1'-biphenyl]-2-yloxy)- (72009-86-0)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production
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POLY(ETHYLENE GLYCOL) METHYL ETHER ACRYLATE Chemical PropertiesMelting point 6-7 °C(lit.)density 1.09 g/mL at 25 °C(lit.)Fp >230 °Fstorage temp. -20°Cform Granular Solidcolor White to off-whiteWater Solubility Soluble in waterEPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-2-propenyl)-.omega.-methoxy- (32171-39-4)Safety InformationHazard Codes TRisk Statements 45-46Safety Statements 53-36/37/39-24/25-22-45WGK Germany 3TSCA YesHS Code 39072090Factory and Equipment ShowFast delivery
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Products Description of Glucosamine sulfate CAS#14999-43-0D-glucosamine sulfate was first included in the 27th edition of the United States Pharmacopoeia and is a drug for the treatment of arthritis. Arthritis has become the world's number one disabling disease. With the intensification of arthritis pain and the obstruction of activity, it will lead to temporary or permanent loss of ability to work. It brings significant losses to society and the economy. D-glucosamine sulfate is the main matrix of joint cartilage and synovial fluid because of its high activity and easy absorption.
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Monoethanolamine  CAS# 141-43-5Ethanolamine is a variety of viscous hygroscopic amino alcohol incorporates each amine and alcohol chemical groups. It is extensively dispensed interior the physique and is a thing of lecithin. It has many sorts of industrial applications. For example, it can be used in the manufacturing of agricultural chemical compounds such as ammonia as properly as the manufacturing of prescription drugs and detergents. It can additionally be used as a surfactant, fluorimetric reagent and casting off agent of CO2 and H2S.
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Products Description of HYDROXYLAMINE CAS#7803-49-8Hydroxylamine is also called "hydroxylamine". Chemical formula NH2OH. Molecular weight 33.03. Unstable white large flake or needle-shaped crystals. Very easy to absorb moisture, volatile, very soluble in water. Deliquesce in the air. Odorless, corrosive to the skin. When the concentration is 100%, 10%, 20%, 30%, 40%, 50%, the relative density of the aqueous solution is: 1.2040, 1.0192, 1.0410, 1.0637, 1.0875, 1.1122. The product decomposes in hot water and is slightly soluble in ether, benzene, carbon disulfide, and chloroform.
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Products Description of Ammonium Superphosphate (SSP) CAS#7758-23-8Ammonium Superphosphate (SSP), with the CAS number 7758-23-8, is a highly effective fertilizer used in agriculture to enrich soil with essential phosphorus and nitrogen.
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Products Description of Tris(2-methyl-1-aziridinyl)phosphine oxideCAS#57-39-6It is mainly used as a crosslinking agent and curing agent for the resin coating of missiles.
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Products Description of N-Methyl-2-pyrrolidone CAS#2687-44-7N-methyl-2-pyrrolidone is a nitrogen-containing five-membered heterocyclic compound. It has a wide range of applications due to its following excellent properties: It has high polarity and is completely miscible in most organic solvents (alcohols, ethers, ketones, aromatic hydrocarbons, chlorinated hydrocarbons, etc.). It has high solubility in organic and inorganic substances. It can be miscible with water in any proportion. It has a higher flash point than other similar solvents.
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Products Description of Methyl Tributyl Ammonium Chloride CAS#56375-79-2Methyltributylammonium chloride, also known as tributylmethylammonium chloride, has a molecular formula of C13H30ClN, a molecular weight of 235.84, and a CAS registration number of 56375-79-2.
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Products Description of Sodium hydrogen ferric DTPA CAS#12389-75-2White powder.Sodium hydrogen ferric DTPA Chemical Propertiesdensity 1.607[at 20℃]Water Solubility 113g/L at 30℃LogP-11.9EPA Substance Registry SystemFerrate(2-), [rel-[N(R)]-N-[2-[bis[(carboxy-.kappa.O)methyl]amino-.kappa.N]ethyl]-N-[2-[(S)-[(carboxy-.kappa.O)methyl](carboxymethyl)amino-.kappa.N]ethyl]glycinato(5-)-.kappa.N,.kappa.O]-, sodium hydrogen (1:1:1), (PB-7-13-12564)- (12389-75-2) Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of CETEARYL ALCOHOL CAS#8005-44-5Cetostearyl alcohol is in the form of white granules, flakes or blocks, has a greasy smell, and is a transparent oily liquid after melting.
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Products Description of Adenosine5'-(tetrahydrogen triphosphate), disodiuM salt, trihydrate (9CI) CAS#51963-61-2 This product is white crystal or off-white powder, odorless, slightly sour, and hygroscopic. It is easily soluble in water and very slightly soluble in ethanol, ether, chloroform and benzene. It is relatively stable in alkaline solutions and easily decomposed in acidic and neutral solutions.
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Products Description of Ademetionine disulfate tosylate CAS#97540-22-2Ademetionine Disulfate Tosylate is a mixed salt form of the diastereoisomers of the adenosylmethionine ion, the bisulfate-tosylate salt.
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Products Description of Zirconium Silicate CAS#10101-52-7Zirconium silicate is a high-quality, low-cost emulsifier that is widely used in various building ceramics, sanitary ceramics, daily-use ceramics, primary ceramics, etc. It has a wide range of applications and a large amount of applications. Zirconium silicate is also further used in the production of color picture tubes in the television industry, emulsified glass in the glass industry, and enamel glazes.
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Products Description of 2-Chlorophenol CAS#95-57-8 o-Chlorophenol is a colorless to yellow-brown liquid, m.p.8.7℃, b.p.175℃, n25D 1.5565, relative density 1.265.
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Products Description of 2,5-Dimethyl-2,5-hexanediolCAS#110-03-2This product is white crystal, m.p.88.5~90℃, b.p.214~215℃, relative density 0.898, soluble in water, acid, alcohol, acetone, insoluble in benzene, carbon tetrachloride and other organic solvents2,5-Dimethyl-2,5-hexanediol Chemical PropertiesMelting point 86-90 °C (lit.)Boiling point 214-215 °C (lit.)density 0,898 g/cm3vapor pressure 0.18Pa at 20℃refractive index 1.4429 (estimate)Fp 126 °Cstorage temp. Keep in dark place,Sealed in dry,Room Temperaturepka15.07±0.29(Predicted)form Crystalli
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Relate News
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
Acetic Acid: A Versatile Compound with Numerous ApplicationsAcetic acid, commonly known as ethanoic acid, is an organic compound with the chemical formula CH₃COOH. It’s a colorless liquid with a pungent smell and sour taste.
Groundbreaking Advancement in Phosphoric Acid Production TechnologyThe global phosphoric acid market is witnessing a significant transformation with the introduction of innovative production technologies that enhance efficiency and sustainability. According to a recent report by Grand View Research, the market size was valued at USD 41.26 billion in 2022 and is projected to grow at a CAGR of 4.2% from 2023 to 2040 .This growth is attributed to the increasing demand for phosphate fertilizers, which are crucial for the agricultural industry.
For gemstones, amber is undoubtedly the most precious kind, and it is loved and sought after. However, the formation of amber takes a very long time. Therefore, it is not as simple as it looks on the surface. It also contains rich substances, which can be extracted and used in many aspects. It can also be made into various medicines with remarkable effect. It can be said that amber not only has a beautiful appearance, but also helps in medicine.Amber's Powerful Root - Succinic AcidSuccinic acid is a colorless crystal extracted from amber by scientists in the 15th century.
Sericin protein is a natural macromolecular protein wrapped on the surface of silk fibroin. It is mainly secreted by the silk glands of silkworms and is one of the main proteins that make up the silkworm cocoon.
In the world of chemicals, Sodium Carbonate (CAS 497 - 19 - 8) continues to play a pivotal role across various industries. As a key chemical compound, it is drawing attention from manufacturers, suppliers, and end - users globally.Innovation in R&DLeading Sodium Carbonate manufacturers around the globe are constantly pushing the boundaries of innovation. Solvay, a renowned name in the chemical industry, is currently researching a more eco - friendly and efficient production process for Sodium Carbonate.
Introduction of Capsaicin PepperThe spicy ingredients contained in pepper fruit are capsaicin pepperoids, including: capsaicin pepper, dihydrocapsaicin pepper, nordihydrocapsaicin pepper, homocapsaicin pepper, homodihydrocapsaicin pepper I, homodihydrocapsaicin pepper II, Nonoyl vanillylamide, Decoyl vanillylamide, Capryl vanillylamide. Capsanthin includes Cryptoxanthin, Capsanthin, Capsorubin, Carotene; also contains vitamin C, citric acid, tartaric acid, malic acid, protein, minerals, etc. .
Pectin is a sort of all-natural polymer substance, which generally exists in all greater plants as well as is an important component of plant intercellular compound. Pectin is transferred in the key cell wall as well as intercellular layer, and cross-links with various components of cellulose, hemicellulose, lignin microfibrils as well as some extensin in the primary wall to make various cell cells frameworks Difficult, exhibiting an intrinsic shape, and also a supporting material for internal cells.
Erythromycin, chloramphenicol, and clindamycin are all called “mycins”. What are the differences in their effects?There are many drugs with the word “mycin”, such as erythromycin, chloramphenicol, clindamycin, gentamicin, etc. are very common. So, how should these “mycins” be distinguished?
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