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 2,4,6-TRIMETHOXYPYRIMIDINE CAS#13106-85-92-Amino-2-cyclobutylethanol is a chemical.CAS No.  is 13106-85-9.2,4,6-TRIMETHOXYPYRIMIDINE Chemical PropertiesMelting point 51-54 °C (lit.)Boiling point 232 °Cdensity 1.150±0.06 g/cm3(Predicted)storage temp. Sealed in dry,Room Temperaturesolubility Methanol[soluble in]solubility soluble in Methanolform powder to crystalpka1.16±0.30(Predicted)color White to Almost whiteCAS DataBase Reference13106-85-9(CAS DataBase Reference)Safety InformationHazard Codes XiRisk Statement
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85%phosphoric acid CAS#7664-38-2Product Overview:Our 85% Phosphoric Acid, identified by the CAS#7664-38-2, is a highly concentrated form of orthophosphoric acid (H₃PO₄), a tribasic acid with a wide range of industrial and food-grade applications. This product is recognized for its purity, effectiveness, and the ability to meet the specific requirements of various industries.Industrial Applications:Phosphoric Acid (Industrial Grade) is a cornerstone in the chemical industry, used in the production of fertilizers, detergents, and various types of chemicals.
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Methylcyclopentadienyl Manganese Tricarbonyl CAS# 12108-13-3Manganese, tricarbonyl methylcyclopentadienyl is a dark orange liquid. Faintly pleasant, herb-like odor. Molecular weight= 218.10;Boiling point=232℃; Freezing/Melting point=18℃; Flash point=74℃; 96℃. Hazard Identification (based on NFPA-704 M Rating System): Health 3, Flammability 0, Reactivity 0.
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Products Description of Isoquinoline-3-carboxylic acid CAS#6624-49-3Isoquinoline-3-carboxylic acid is a derivative, crystalline solid.Isoquinoline-3-carboxylic acid Chemical PropertiesMelting point 166-167°CBoiling point 366.4±17.0 °C(Predicted)density 1.339±0.06 g/cm3(Predicted)storage temp. 2-8°Csolubility DMF: 20 mg/ml; DMF:PBS(pH 7.2)(1:1): 0.5 mg/ml; DMSO: 20 mg/ml; Ethanol: 5 mg/mlform A crystalline solidpka1.20±0.30(Predicted)CAS DataBase Reference6624-49-3(CAS DataBase Reference)Safety InformationHazard Codes XiRisk Statements 36/37/38-36Saf
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Products Description of Myrcene CAS#123-35-3 Myrcene is a colorless to light yellow oily liquid. It has a sweet orange flavor and balsamic odor; boiling point 167°C; flash point 37.2°C; soluble in ethanol, ether, chloroform, glacial acetic acid and most non-volatile oils, insoluble in water.
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Products Description of Lithium Aluminum Hydride CAS#16853-85-3Lithium aluminum hydride is a commonly used reducing agent in organic chemistry. It can reduce a variety of functional group compounds. It can also act on double-bond and triple-bond compounds to achieve hydroalumination. In addition, lithium aluminum hydride can also participate in the reaction as a base. For example, react LiAlH4 with 2 mol of ethanol to generate lithium diethoxyaluminum hydride [LiAlH2(OC2H5)2]; react with 3 mol of tert-butanol to generate lithium tri-tert-butoxyaluminum LiAlH[OC(CH3)3]3.
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Products Description of Cocamidopropyl betaine CAS#61789-40-0Cocamidopropyl betaine is a mixture, generally containing several main ingredients in different contents: decylamidopropyl betaine (abbreviated as C10), lauramidopropyl betaine (abbreviated as C12), myristamidopropyl betaine (abbreviated as C14), palmitamidopropyl betaine (abbreviated as C16), stearamidopropyl betaine (abbreviated as C18), etc.Cocamidopropyl betaine Chemical PropertiesBoiling point 104.3℃[at 101 325 Pa]vapor pressure 0Pa at 25℃storage temp. Refrigeratorsolubility Methanol (Sparingly), Water (
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Products Description of 3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-13-Acetyl-2,5-dichlorothiophene is an organic intermediate and pharmaceutical intermediate. 3-Acetyl-2,5-Dichlorothiophene Chemical PropertiesMelting point 37-40 °C (lit.)Boiling point 120-122°C 4mmdensity 1.4514 (estimate)Fp >230 °Fstorage temp. Keep in dark place,Inert atmosphere,2-8°Cform solidcolor White to Yellow to OrangeBRN 121288CAS DataBase Reference36157-40-1(CAS DataBase Reference)NIST Chemistry Reference2,5-Dichloro-3-thienyl methyl ketone(36157-40-1)Sa
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1,4-Benzenedicarboxylic Acid, Compds. With Polyisobutenyl Succinic Anhydride-Tetraethylenepentamine Reaction Products CAS:68909-40-0Good dispersibility: It can be effectively dispersed in various solvents and matrices, which helps to improve the uniformity and stability of the product. Excellent thermal stability: It can maintain its stable performance at higher temperatures and is suitable for some high-temperature application scenarios.
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Products Description of OXALIC ACID CAS#68603-87-2Oxalic acid standard solution is mostly used for quantitative detection of oxalic acid content in food and medicine. For example, oxalic acid standard solution can be used to determine the oxalic acid content in edible mushroom broth.
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Products Description of Hexamethylene diacrylate CAS#13048-33-4This product is a bifunctional monomer with low skin irritation, low shrinkage and high activity.
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Products Description of Boron tribromide CAS#10294-33-4Boron tribromide is an inorganic compound, a colorless liquid at room temperature, which reacts with moisture in the air to produce smoke and boric acid and hydrogen bromide.
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Products Description of Trifluoromethanesulfonic anhydride CAS#358-23-6Trifluoromethanesulfonic anhydride is an organic compound with the chemical formula (CF3SO2)2O.
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Products Description of Palatinose CAS#58166-27-1Palatinose is an isomer of sucrose. It is made from sucrose as raw material and converted and refined by α-glucosyltransferase. It is a sweetener that uses biotechnology - enzyme engineering to change the properties of sucrose. It is a natural nutritional sugar that can avoid the disadvantages and diseases of eating too much sucrose. Palatinose is commonly known as isomaltulose, which is a disaccharide of glucose and fructose combined with α-1,6.
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Products Description of Setipiprant CAS#866460-33-5White powder.Setipiprant Chemical PropertiesBoiling point 690.4±55.0 °C(Predicted)density 1.37±0.1 g/cm3(Predicted)storage temp. Store at -20°Csolubility DMSO:48.67(Max Conc. mg/mL);120.94(Max Conc. mM)DMF:50.0(Max Conc. mg/mL);124.25(Max Conc. mM)DMF:PBS (pH 7.2) (1:1):0.5(Max Conc. mg/mL);1.24(Max Conc. mM)Ethanol:3.0(Max Conc. mg/mL);7.45(Max Conc. mM)form A solidpka4.24±0.10(Predicted)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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2-DODECEN-1-YLSUCCINIC ANHYDRIDE CAS#19780-11-1Product Name:2-DODECEN-1-YLSUCCINIC ANHYDRIDESynonyms:2,5-Furandione, 3-(2-dodecenyl)dihydro-;2,5-Furandione, 3-dodecenyl-;3-(2-dodecenyl)dihydro-5-furandione;3-[(2E)-2-Dodecenyl]dihydro-2,5-furandione;3-(2-dodecenyl)succinic anhydride;2-(2-Dodecene-1-yl)succinic anhydride;2-(2-Dodecenyl)succinic anhydride;2-Dodecen-1-yl(-)succinicanhydridCAS:19780-11-1MF:C16H26O3MW:266.38EINECS:243-296-9Product Categories:Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks;Anhydride MonomersUnsaturated fatty acids and derivatives;Monoenoic fatty
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Products Description of POLYIMIDE RESIN CAS#62929-02-6Yellow powderPOLYIMIDE RESIN Chemical PropertiesMelting point >300°Cdensity 1.2Fp >93°(199°F)form PowderSpecific Gravity1.2color YellowWater Solubility Insoluble in water.EPA Substance Registry System1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 1(or 3)-(4-aminophenyl)-2,3-dihydro-1,3,3(or 1,1,3)-trimethyl-1H-inden-5-amine (62929-02-6)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of Salicylaldehyde CAS#90-02-8Salicylaldehyde is a light yellow oily clear liquid with a melting point of -7°C and a boiling point of 197°C. It has a burning and almond smell.
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Vitamin K is an essential fat-soluble nutrient, and also our body needs it to accomplish healthy and balanced blood coagulation and also other functions. It has 2 forms:Vitamin K1, (phylloquinone) is discovered in green leafy vegetables, veggies and some veggie oils.Vitamin K2, (menaquinone) exists in dairy products, fermented foods and pet products.You can likewise obtain vitamin K supplements, but scientific trials reveal that the vitamin K we extract from food is a lot more effective for our body.
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.
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. .
Photoinitiators, also known as photosensitizers or photocuring agents, are a type of energy that can absorb certain wavelengths in the ultraviolet region (250-420nm) or visible region (400-800nm) to generate free radicals, cations, etc., thereby initiating monomer Polymerization crosslinks cured compounds.What is a photoinitiator?In the photocuring system, including UV glue, UV coating, UV ink, etc., after receiving or absorbing external energy, it undergoes chemical changes and decomposes into free radicals or cations, thereby initiating polymerization.All substances that can generate free ra
Sodium Hydroxide, also known as caustic soda or lye, with CAS#1310 - 73 - 2, is a highly significant chemical compound extensively utilized in diverse industries.Production and Market TrendsRecent data indicates notable production figures for Sodium Hydroxide across different regions. In 2023, China's December output of Sodium Hydroxide (equivalent to 100% purity) reached 3.69 million tons. This represented a month - on - month increase of 5.49% and a year - on - year growth of 7.7%.
Vitamin B2 is an essential nutrient for the human body, and it is an essential substance to form the surface of human tissues and organs.Vitamin B2 cannot be stored in the human body, but the human body needs it every day, so it must be supplemented from food every day.A slight deficiency of vitamin B2 will not feel anything in the body, but when it reaches a certain level, obvious symptoms will appearWhat type of nutrient is Vitamin B2?Vitamin B2 is a member of the vitamin B group. It is a water-soluble vitamin. After being absorbed by the human body, there is not much retention in the body.
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 fact, many people are familiar with glucose. This is a very helpful nutrient to the human body. It can effectively enhance the body’s immunity, improve the ability to resist viruses, maintain the balance of intestinal flora, and effectively delay skin aging. To achieve the effect of lowering cholesterol, but if excessive intake can also lead to increased blood sugar.Glucose is a kind of monosaccharide that widely exists in nature. There are many functions and functions of glucose.
The sugar that people often eat in daily life is extracted from sugarcane, sugar beet and other plants. There are also some substances in the plant kingdom that are sweeter than sucrose. Stevia, native to South America, is 200 to 300 times sweeter than sucrose; the West African bamboo skewers in the tropical forests of Africa are 3000 times sweeter than sucrose; there is also a vine plant of Dioscorea nigra with the sweetness of the fruit. 90,000 times that of sucrose.However, these substances, which are thousands of times sweeter than sucrose, are rarely seen.
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.
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