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 Urea CAS#57-13-6When the temperature is below 20℃ and the relative humidity is below 70%, urea not only does not absorb moisture, but also evaporates water to reduce its water content; when the temperature exceeds 20℃ and the relative humidity is higher than 80%, it begins to absorb moisture, and in severe cases, it becomes a paste. When the air turns dry again, it will re-agglomerate, and its degree is second only to ammonium nitrate.
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Products Description of L-Arginine L-glutamate CAS#4320-30-3 White powder; Odorless or slightly odorous; with a special taste. Decomposes when heated to 193-194.6℃. 100ml. 25% aqueous solution contains 13.5g of arginine and 11.5g of glutamic acid.
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Products Description of 6-Methylpyridazin-3(2H)-One CAS#13327-27-06-Methyl-3(2H)-pyridazinone is a yellow crystalline powder with a melting point of 138°C.
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Products Description of Ethyl vinyl ether CAS#109-92-2Colorless flammable liquid with active chemical reaction performance. It is easy to polymerize in liquid or gas phase. Industrial products contain inhibitors to prevent polymerization. Freezing point -115℃, boiling point 35-36℃, melting point -115.8℃, relative density 0.754 (20/20℃), refractive index 1.3767, flash point -45.5℃, autoignition point 201.66℃, viscosity (20℃) 0.22mPa·s. Slightly soluble in water, only 0.9% (by weight).
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Products Description of Ethyl Chloroacetate CAS#105-39-5Ethyl chloroacetate is an organic compound, mainly used as a solvent and can also be used in organic synthesis.Ethyl chloroacetate Chemical PropertiesMelting point -26 °C (lit.)Boiling point 143 °C (lit.)density 1.145 g/mL at 25 °C (lit.)vapor density 4.23 (vs air)vapor pressure 10 mm Hg ( 38 °C)refractive index n20/D 1.421(lit.)Fp 150 °Fstorage temp. Store below +30°C.solubility 12.3g/lform Liquidcolor Clear colorlessOdorExtremely irritating; fruity; pungentexplosive l
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Products Description of NICARBAZINE CAS#330-95-0Nicarbazin is a complex of dinitrocarbamide and hydroxydimethylpyrimidine. It is a yellow or yellow-green powder; odorless, with a slight odor. This product is slightly soluble in dimethylformamide, insoluble in water, ethanol, ethyl acetate, chloroform, and ether.
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Products Description of Titanium tetrachloride CAS#7550-45-0Titanium tetrachloride is the most important titanium halide and an important raw material for the production of titanium sponge and chloride-process titanium dioxide. Pure titanium tetrachloride is a colorless, transparent, high-density, non-conductive liquid with a chemical formula of TiCl4 and a relative density of 1.726. The melting point is -25°C and the boiling point is 136.4°C. It has a pungent sour taste and is easily hydrolyzed, generating white smoke in humid air. It dissolves in water and decomposes at the same time.
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Products Description of Quercetin CAS#117-39-5Yellow needle-shaped crystalline powder. It is heat stable, with a decomposition temperature of 314°C. It can improve the light resistance of pigments in food and prevent the change of food flavor. It will change color when it encounters metal ions. It is slightly soluble in water and easily soluble in alkaline aqueous solution. Quercetin and its derivatives are a class of flavonoid compounds widely found in various vegetables and fruits. Such as onions, sea buckthorn, hawthorn, sophora japonica, tea, etc.
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Products Description of Cobalt Nitrate CAS#10026-22-9Cobalt nitrate hexahydrate is a red crystalline powder. Solubility: easily soluble in water, ethanol, acetone and methyl acetate, slightly soluble in ammonia. It is mainly used to make catalysts, invisible inks, cobalt pigments, ceramics, sodium cobalt hexanitrite, etc. On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens for reference.
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Products Description of Resin epoxy CAS#24969-06-0Epoxy resin is a high-performance polymer widely used in coatings, adhesives, and composite materials due to its superior adhesion, chemical resistance, and electrical insulation. With a robust track record in industrial collaborations, it has been instrumental in automotive, aerospace, and construction projects, enhancing product durability and performance. Academically, it drives innovation in material science, pushing the boundaries of material development.
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Products Description of Glyphosate CAS#1071-83-6Glyphosate is an organophosphorus herbicide, a highly effective, low-toxic, broad-spectrum herbicide with systemic conduction. This product dissolves the wax layer on the surface of the leaves, branches and stems of weeds, and the drug effect quickly enters the plant conduction system to produce effects, causing the weeds to wither and die. It can effectively control annual and biennial grasses, sedges and broad-leaved weeds, and has a good control effect on perennial weeds with bad habits such as thatch, cyperus and bermudagrass.
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Products Description of CALAMINE CAS#8011-96-9Calamine is also known as Lugan Stone, Gan Stone, Lugan Stone, Sheep Liver Stone, Fushui Gan Stone, Luyan Stone, and Dry Stone. It is an irregular block, flat or round, of varying sizes, with a white or light red surface, depressions or small holes, and powdery. It is light and loose, fragile, white or light red in cross section, granular, and has small pores, and is hygroscopic.Calamine is an ore of the carbonate mineral smithsonite. Calamine tastes sweet, flat, warm, and non-toxic.
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Products Description of DecamethylcyclopentasiloxaneCAS#541-02-6Decamethylcyclopentasiloxane (cyclopentasiloxane) is a colorless, odorless, volatile liquid cyclic siloxane. It is safe and environmentally friendly and has been widely used in health and beauty products such as deodorants, antiperspirants, cosmetics, shampoos, body lotions, etc.
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Products Description of Lidocaine CAS#137-58-6Lidocaine exerts its local anesthetic effect by reversibly blocking sodium channels and blocking the transmission of action potentials on nerve fibers. Sensory nerve fibers are blocked earlier than motor nerve fibers, so low doses of lidocaine can exert selective sensory blocking effects. Lidocaine also has antiarrhythmic effects and belongs to Class Ib antiarrhythmic drugs. It can reduce ventricular rate, shorten action potential time and absolute refractory period, and prolong relative refractory period.
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Products Description of Formaldehyde CAS#50-00-0Formaldehyde is the simplest aldehyde molecule with active chemical properties and certain toxicity. At room temperature, it is a colorless gas with a pungent odor, which easily undergoes polymerization to form polyformaldehyde. Formaldehyde is easily soluble in water, alcohol and other organic solvents.
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Products Description of Decanoyl octanoyl-glycerides CAS#65381-09-1Glyceryl caprylate, also known as GTCC, is a mixed triester of glycerol and medium-carbon fatty acids in vegetable oils. It is a colorless, odorless, low-viscosity lipophilic emollient with extremely high antioxidant properties. In cosmetics, GTCC can replace a variety of oils and fats as an emollient and fat-enriching agent, and can also be added as a carrier and diluent to active preparations or conditioners such as sterols.
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Products Description of CARBOMER CAS#9007-20-9 Polyacrylic acid, referred to as PAA, also known as 2-acrylic acid homopolymer, acrylic resin coating, acrylic resin, acrylic monomer polymer, acrylic modified resin, acrylic resin emulsion, is a water-soluble acrylic polymer, and is also soluble in certain polar solvents, such as methanol, dioxane and ethylene glycol. The ionization constant is 4.75. Since the molecule contains a large number of carboxyl groups, it can react with alkali, alcohol, and amine, and can also undergo dehydration, degradation and complexation reactions.
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Products Description of 4-tert-Octylphenol CAS#140-66-9It is widely used in the manufacture of oil-soluble octylphenol-formaldehyde resins, surfactants, medicines, pesticides, additives, adhesives, and ink fixatives.4-tert-Octylphenol Chemical PropertiesMelting point 79-82 °C(lit.)Boiling point 175 °C30 mm Hg(lit.)density 0.95 g/cm3 (20℃)vapor pressure 2Pa at 38℃refractive index 1.5003 (estimate)Fp 145 °Cstorage temp. -20°Csolubility water: slightly soluble0.007g/L at 20°Cpka10.15±0.15(Predicted)color White flakesPH Range6 a
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In the chemical industry, Dichloromethane (CAS#75 - 09 - 2) is a crucial organic compound. This colorless, volatile liquid with a moderately sweet aroma plays a significant role in various industrial applications. Let's take a closer look at the latest market trends, along with some in - depth knowledge about this compound.Market Price and Supply SituationOur recent market research reveals interesting trends in the Dichloromethane market. From 1st to 5th January 2025, the price of Dichloromethane in East China has increased, ranking among the top in terms of weekly average price increase.
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.
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.
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.
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.
Title: Global Dimethyl Disulfide (DMDS) Market: Production, Supply Dynamics, and Industry TrendsIntroduction:The global market for Dimethyl Disulfide (DMDS), chemically known as C2H6S2 with the CAS number 624-92-0, is witnessing a surge in demand across various sectors, driving its production and supply chain to new heights.
Dimethyl disulfide (DMDS, CAS# 624-92-0) has recently witnessed a remarkable increase in market demand and continuous progress in related research.Soaring Market Demand   DMDS is extensively utilized in multiple fields, which is a crucial factor contributing to its rapidly growing market demand.In the agricultural sector, it serves as an effective and eco-friendly soil fumigant, playing a vital role in nematode control.
lycopene: dark red powder, has the unique smell and taste of lycopene.Lycopene (CAS No.: 502-65-8), dark red powder, has the unique smell and taste of lycopene. The lycopene produced by microbial fermentation mainly uses fermented substrates such as corn steep liquor, soybean meal and starch as the medium, and uses Blake Sleatrispora as the strain. After fermentation, filtration, drying, extraction, crystallization and Manufactured by refining and other processes.The main functions of lycopene are as follows:1. Anti-oxidation, delay aging;2. Improve the body’s immunity;3.
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.
2-(Methylamino)pyridine IntroductionIt, also known as MAP, is a chemical compound with the molecular formula C6H8N2. It is commonly used in the pharmaceutical and chemical industries as a building block for various drugs and chemicals. In this article, we will explore the properties, applications, and synthesis of 2-(Methylamino)pyridine.2-(Methylamino)pyridine Properties1. Physical properties: it is a colorless to pale yellow liquid with a pungent odor. It has a boiling point of 208-209°C and a melting point of -35°C.2.
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