Vildagliptin Impurity J-manufacture,factory,supplier from China

(Total 24 Products for Vildagliptin Impurity J)
Products Description of J acid CAS#87-02-5J acid is light gray powder or granules, and the pure product is white needle crystal. Soluble in hot water, hardly soluble in cold water, almost insoluble in ethanol.
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Products Description of 6,7-Dimethoxyquinazoline-2,4-dione CAS#28888-44-06,7-Dimethoxy-2,4-quinazolinedione (doxazosin EP impurity D) is a chemical crystalline compound with a melting point of >300°C, an intermediate of prazosin hydrochloride.6,7-Dimethoxyquinazoline-2,4-dione Chemical PropertiesMelting point >300 °C (lit.)Boiling point 363.37°C (rough estimate)density 1.3404 (rough estimate)refractive index 1.6300 (estimate)storage temp. 2-8°Csolubility Aqueous Acid (Sparingly)pka10.27±0.20(Predicted)color White to Off-WhiteWater Solubility i
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Products Description of (2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile CAS#207557-35-5 (2S)-N-Chloroacetyl-2-cyanopyrrole is a key intermediate of the dipeptidyl peptidase IV inhibitor vildagliptin (V305000)(2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile Chemical PropertiesMelting point 52-53 °CBoiling point 363.1±37.0 °C(Predicted)density 1.27±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)form Solidpka-4.65±0.40(Predicted)color Pale Yellow to Ligh
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Products Description of Tetraethylammonium hydroxide CAS#77-98-5Tetraethylammonium hydroxide is an organic quaternary ammonium base. Most products exist in the form of methanol and aqueous solution. It is a colorless to light yellow liquid at room temperature. It has strong alkalinity and can absorb carbon dioxide in the air and decompose upon heating. It has a wide range of uses in the field of industrial research. It is used as a phase transfer catalyst, a template for molecular sieve synthesis, a cleaning agent, and a de-impurity agent in the petroleum industry.
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Products Description of SODIUM TRISILICATE CAS#13870-30-9Sodium silicate is a water-soluble silicate, which can be divided into three forms: solid, liquid, and water-quenched. In theory, this type of substance is called "colloid". Industrial solid sodium silicate is a colorless, slightly light blue, turquoise, sky blue or yellow-green transparent or translucent glass block. When the impurity content is very low, the glassy anhydrous solid sodium silicate is a colorless and transparent glass body, and pure solid sodium cinnamate is a colorless and transparent solid.
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Products Description of 2-Amino-5-Methyl-3-Thiophenecarbonitrile CAS#138564-58-6An impurity generated in the preparation of Olanzapine.2-Amino-5-Methyl-3-Thiophenecarbonitrile Chemical PropertiesMelting point 101-103°CBoiling point 318.5±42.0 °C(Predicted)density 1.26±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Csolubility soluble in Methanolform powder to crystalpka0.16±0.10(Predicted)color Light yellow to BrownInChIKeyYGXADLPRHBRTPG-UHFFFAOYSA-NCAS DataBase Reference138564-58-6(CAS DataBase Reference)Safety Information
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Products Description of PHOSPHORIC ACID CAS#78-42-2PHOSPHORIC ACID is widely used as a flame retardant, plasticizer, and extraction agent in the production of chemical companies. Its most important use is the production of hydrogen peroxide.
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Products Description of  Tetrahydro-4H-pyran-4-one CAS#29943-42-8Tetrahydropyranone, also known as tetrahydropyran-4-one, is a chemical substance with the molecular formula C5H8O2.Tetrahydro-4H-pyran-4-one Chemical PropertiesBoiling point 166-166.5 °C (lit.)density 1.084 g/mL at 25 °C (lit.)refractive index n20/D 1.452(lit.)Fp 134 °Fstorage temp. Inert atmosphere,Room Temperatureform Liquidcolor Clear colorless to pale yellowWater Solubility MISCIBLEBRN 106463InChIKeyJMJRYTGVHCAYCT-UHFFFAOYSA-NCAS DataBase Reference29943-42-8(CAS
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Products Description of METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL CAS#220641-87-2N-Methyltetrahydro-2H-pyran-4-amine is a pharmaceutical intermediate, which can be prepared by reductive amination reaction of tetrahydro-4H-pyran-4-one and methylamine.METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL Chemical PropertiesBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Cpka10.01±0.20(Predicted)form liquidcolor Clear, colourlessBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/c
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Products Description of AMBERLITE(R) XAD-4 CAS#37380-42-0Ion exchange resin is a kind of functional polymer that can exchange with ions of the same sign in aqueous solution. It is essentially a cross-linked polymer acid or polymer base. Phenolic cation exchange resin was first introduced in 1935, and industrial production began in Germany in 1939 and the United States in 1941. After World War II, polystyrene and polyacrylic acid ion exchange resins were put into production one after another. After the 1960s, macroporous ion exchange resins were developed.
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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 Ferric ammonium oxalate trihydrate CAS#13268-42-3Calcium and magnesium precipitants, electroplating industryFerric ammonium oxalate trihydrate Chemical PropertiesMelting point 161°C (rough estimate)density 1,78 g/cm3solubility very soluble in H2O; insoluble in ethanolform Crystalline Powdercolor GreenWater Solubility Very soluble in water. Insoluble in alcoholSensitive Light Sensitive & HygroscopicMerck 14,517Exposure limitsACGIH: TWA 1 mg/m3NIOSH: TWA 1 mg/m3Stability:May decompose upon exposure to light.
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Diethanolamine  CAS#111-42-2Diethanolamine is an natural compound. Structurally, it is composed of two ethanol companies () and one amino team (), and belongs to the type of alcoholamine compounds. This shape offers it special chemical properties, which is the groundwork for its position in many fields. It has right solubility and is without difficulty soluble in polar solvents such as water, ethanol and acetone, and can be miscible with water in any proportion. This property makes it very handy to use in many utility situations that require aqueous solutions.
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Styrene CAS#100-42-5 Styrene is a positive natural chemical compound having the chemical components C8H8 and structural system CH2=CHC6H5, additionally recognized as styrol, vinylbenzene, phenylethene,phenylethylene,styrene,styreen and so on. Its chemical shape is made up of a benzene ring bonded onto a vinyl team . At room temperature and pressure, styrene is a clear, colorless liquid.
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Products Description of Eucalyptus oil CAS#8000-48-4Eucalyptus oil is one of the most commonly used essential oils. With the increasing popularity of candies and chewing gum, one of the main uses of eucalyptus oil is as a food additive. Synthetic fragrances have a refreshing and clean appeal.It has a great influence on the cosmetic industry (such as toothpaste and oral hygiene products) and other household cleaning products industry, as well as the fragrance of perfumes.
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Products Description of Naphthalene-2-sulfonic acid CAS#120-18-3White to slightly brown leaf-shaped crystals. Melting point 91℃ (anhydrous), 83℃ (trihydrate), 124℃ (monohydrate). Soluble in water, alcohol and ether.
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Products Description of Dibenzoylmethane CAS#120-46-71,3-diphenyl-1,3-propanedione is commonly known as dibenzoylmethane.
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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 2-Imidazolidone CAS#120-93-42-Imidazolidinone is an organic compound with the molecular formula C3H6N2O.
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Products Description of 3-Amino-1-propanesulfonic acid CAS#3687-18-13-Aminopropanesulfonic acid is a promising product candidate for the treatment of AD. It is currently in phase III clinical trials in North America and Europe. Clinical trial results have been published.
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Products Description of Rutin CAS#153-18-4Rutin is the rutin glycoside of the flavonol compound quercetin. It is a flavonoid compound extracted from plants. It is found in rue, tartary buckwheat, sophora buds, catalpa leaves, tomato stems, leaves and seed shells. It is about to bloom. Current dry buckwheat contains about 3%, and jujube, hawthorn, ginkgo, wolfberry, motherwort, bupleurum, prunella vulgaris, aloe, Gynostemma pentaphyllum, etc. all contain rutin.
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Products Description of 2,2-Dimethylthiazolidine CAS#19351-18-92,2-Dimethylthiazolidine, an organic chemical substance, molecular formula: C5H11NS.2,2-Dimethylthiazolidine Chemical PropertiesBoiling point 61 °C / 15mmHgdensity 1,02 g/cm3vapor pressure 2.01hPa at 25℃refractive index 1.5100-1.5140Fp 55°Cstorage temp. 2-8°C(protect from light)pka8.97±0.40(Predicted)form clear liquidcolor Colorless to Light orange to YellowInChIInChI=1S/C5H11NS/c1-5(2)6-3-4-7-5/h6H,3-4H2,1-2H3InChIKeySNPQRYOQWLOTFA-UHFFFAOYSA-NSMILESS1CCNC1(C)CLogP1.38CAS DataBase Refer
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Products Description of PyridiniumCAS#68909-18-2White powderPyridinium, 1-(phenylmethyl)-, ethyl methyl derivs., chlorides Chemical PropertiesBoiling point 116.34℃[at 101 325 Pa]density 1.104[at 20℃]vapor pressure 2hPa at 20℃Water Solubility 100g/L at 30℃InChIInChI=1S/C13H16N.ClH/c1-14(10-6-3-7-11-14)12-13-8-4-2-5-9-13;/h2-10H,11-12H2,1H3;1H/q+1;/p-1InChIKeyNBNVYJFZJWMHPR-UHFFFAOYSA-MSMILESC1[N+](CC2=CC=CC=C2)(C)C=CC=C1.[Cl-]LogP3 at 25℃EPA Substance Registry System1-(Phenylmethyl)pyridinium Et Me derivs., chlorides (68909-18-2)Factory and Equipment ShowFast delivery t
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Formic Acid CAS#64-18-6Formic acid (HCO2H), additionally known as methanoic acid, is the easiest carboxylic acid. Formic acid was once first remoted through the distillation of ant our bodies and was once named after the Latin formica, which means “ant.” Its suitable IUPAC title is now methanoic acid.
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Relate News
Sorbitol has a chemical formula of C6H14O6 and also has 2 optical isomers, D as well as L. It is the main photosynthetic item of Rosaceae plants and also is primarily made use of as a sugar. It has a trendy pleasant taste as well as a sweet taste of regarding Fifty percent of sucrose, calorific worth is similar to sucrose.What is Sorbitol?Sorbitol has a great wonderful taste, as well as its sweet taste is about 50% -70% of that of sucrose. 1g of sorbitol creates 16.7 kJ of heat in the human body.
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.
February 10, 2025 - Sodium Hydroxide (CAS#1310 - 73 - 2), also known as Caustic Soda or caustic soda, is an indispensable chemical in the global chemical industry. According to the latest market research report, the global sodium hydroxide market size reached $49.77 billion in 2023 and is expected to grow to $66.82 billion by 2030, with a compound annual growth rate (CAGR) of 4.29%.Production and Technological Innovation of Sodium HydroxideSodium hydroxide (NaOH) is mainly produced through the chlor - alkali process.
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.
The Introduction of DMAPDMAP is a well-known organic compound with the molecular formula C7H10N2. It is a white solid with a strong odor and is soluble in water, ethanol, and ether. DMAP is a widely used catalyst in organic synthesis due to its high reactivity and selectivity. In this article, we will discuss the properties, uses, and applications of DMAP in the chemical industry.The Properties and Uses of DMAPDMAP is a highly reactive catalyst that is commonly used in organic synthesis.
Introduction2-ethyl-3-hydroxy-6-methylpyridine, also known as 2-ethyl-6-methyl-3-pyridinol, is a chemical compound with the molecular formula C8H11NO. Its CAS number is 2364-75-2. This compound is widely used in the chemical industry as a building block for the synthesis of various chemicals. In this article, we will discuss the properties, uses, and synthesis of 2-ethyl-3-hydroxy-6-methylpyridine.Properties2-ethyl-3-hydroxy-6-methylpyridine is a white to off-white crystalline powder with a melting point of 88-92°C. It is soluble in water, ethanol, and other organic solvents.
CAS# 618107-90-7 IntroductionThe compound 2-amino-5-iodo-pyridin-3-yl-methanol, also known as CAS# 618107-90-7, is a chemical compound that falls under the category of pyridine derivatives. Pyridine derivatives are a class of organic compounds that are widely used in the chemical industry for various applications such as pharmaceuticals, agrochemicals, and specialty chemicals.CAS# 618107-90-7 SynthesisThe synthesis of 2-amino-5-iodo-pyridin-3-yl-methanol is a multi-step process that involves several chemical reactions.
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.
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?
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. .
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