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 Tetramethylammonium hydroxide CAS#75-59-2Tetramethylammonium hydroxide (TMAH), also known as tetramethylammonium hydroxide, is a colorless to light yellow liquid. It is the strongest organic base, very easy to absorb moisture, has a certain ammonia smell, can quickly absorb carbon dioxide in the air, has a low vapor pressure at room temperature, and is completely decomposed and gasified at 135~145°C. High-purity products are treated at 140°C without trace residue. The tetramethylammonium hydroxide solution is colorless, transparent, and has a slight ammonia smell.
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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 Barium acetate CAS#543-80-6Barium acetate, chemical formula Ba(C2H3O2)2. Molecular weight 255.43. White crystal. Relative density 2.468. Easily weathered in the air. Toxic! Soluble in water and ethanol.
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Products Description of 2-Amino-6-chlorobenzoic acid CAS#2148-56-32-Amino-6-chlorobenzoic acid is a reactive compound that can be used as an antimicrobial agent. It binds to the active site of enzymes and inhibits their function, thereby preventing bacterial growth. It has acidic properties, which may be due to its ability to act as a dehydrating agent to hydrolyze esters.
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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 6-Chloropyridazin-3-amine CAS#5469-69-23-Amino-6-chloropyridazine is a novel pharmaceutical intermediate with great medical value and is difficult to synthesize. 3-Amino-6-chloropyridazine compounds are a class of heterocyclic compounds with good biological activity and occupy an important position in pesticide research. In pesticide production, structural modification using pyridazinone ring as the parent has opened up a new field for the creation of new pesticides.
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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 3-Pyridazinecarboxylic Acid CAS#2164-61-63-Carboxypyridazine is a heterocyclic derivative that can be used as a pharmaceutical intermediate in pharmaceutical experimental research and pharmaceutical synthesis.3-Pyridazinecarboxylic Acid CAS#2164-61-6  Chemical PropertiesMelting point 200-209 °CBoiling point 404.2±18.0 °C(Predicted)density 1.403±0.06 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperatureform solidpka3.65±0.10(Predicted)Safety InformationHazard Codes XiRisk Statements 36/37/38Safet
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Products Description of Iminodibenzyl CAS#494-19-9Iminodibenzyl is a chemical substance with the molecular formula C14H13N.Iminodibenzyl Chemical PropertiesMelting point 105-108 °C (lit.)Boiling point 321.94°C (rough estimate)density 1.0778 (rough estimate)refractive index 1.6353 (estimate)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform (Slightly), Ethyl Acetate (Slightly, Heated), Methanol (Slightly)form Crystalline Powderpka0.83±0.20(Predicted)color Yellow to beigeBRN 152732LogP4.27CAS DataBase Reference49
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Products Description of Antioxidant 1330 CAS#1709-70-2Hindered phenol antioxidant 330 is a white crystalline powder with a melting point above 244°C. It is insoluble in water. Its solubility in some solutions at 18°C (g/100g solvent) is: benzene 20, dichloromethane 31.9, methylcyclohexane 1.7, methanol 0.2, isopropanol 0.1.
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Products Description of Benzyl alcohol CAS#100-51-6Benzyl alcohol, also known as benzyl alcohol, has a molecular formula of C6H5CH2OH and a density of 1.045 g/mL at 25°C (lit.). It is the simplest fatty alcohol containing phenyl groups and can be regarded as hydroxymethyl-substituted benzene or phenyl-substituted methanol. It is a colorless, transparent, viscous liquid with a faint aromatic odor. Sometimes, after being left for a long time, benzyl alcohol will have a slight smell of bitter almonds due to oxidation.
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Products Description of Antioxidant 1330 CAS#1709-70-2Hindered phenol antioxidant 330 is a white crystal powder with a melting point above 244°C and is insoluble in water. The solubility (g/100g solvent) in certain solutions at 18°C is: benzene 20, methylene chloride 31.9, methylcyclohexane Alkane 1.7, methanol 0.2, isopropyl alcohol 0.1.
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Products Description of METHYL LAURATE CAS#111-82-0Obtained by esterification of lauric acid and methanol. Heat the mixture of lauric acid, anhydrous methanol and concentrated sulfuric acid to reflux for 18 hours, pour the reaction into water, and separate the ester layer. Wash with water, saturated sodium bicarbonate solution and water in turn.
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Products Description of Phosphorous acidCAS#13598-36-2Colorless crystals. Easily soluble in water and alcohol.Phosphorous acid Chemical PropertiesMelting point 73 °CBoiling point 200 °Cdensity 1.651 g/mL at 25 °C(lit.)vapor pressure 0.001Pa at 20℃Fp 200°Cstorage temp. 0-6°Csolubility DMSO (Slightly), Methanol (Slightly), Water (Sparingly)form CrystalspkapK1 1.29; pK2 6.74(at 25℃)Specific Gravity1.651color WhiteWater Solubility SOLUBLESensitive Air Sensitive & HygroscopicMerck 14,7346Stability:Stable.
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Products Description of 3-MERCAPTOPROPIONIC ACID CAS#107-96-03-Thiopropionic acid is a direct raw material in organic chemicals and is used in pharmaceutical intermediates and electronic chemicals; it is used as an intermediate in the pharmaceutical Fenal, and it is also used as a stabilizer for polyvinyl chloride.
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Ethylene glycol  CAS#107-21-1It is colorless obvious viscous liquid with candy style and moisture absorption capability. It is additionally miscible with water, low-grade aliphatic alcohols, glycerol, acetic acid, acetone, ketones, aldehydes, pyridine and comparable coal tar bases.
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Products Description of 2-Bromoethanol CAS#540-51-22-Bromoethanol is a colorless or light yellow hygroscopic liquid with relatively stable and toxic chemical properties.
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Products Description of Magnesium carbonate hydroxide CAS#39409-82-0This product is white monoclinic crystal with a relative density of 2.254. It is slightly soluble in water and easily soluble in dilute acid. It will foam and decompose in acid to release carbon dioxide. It will generate magnesium oxide and carbon dioxide when heated and calcined.Magnesium carbonate hydroxide Chemical Propertiesdensity 2.16RTECS FG1797000storage temp. 2-8°Cform Solidcolor WhiteOdorat 100.00?%. odorlessWater Solubility Soluble in water.
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Relate News
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.
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 .
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.
As a core product in the basic chemical raw materials sector, phosphoric acid (CAS#7664-38-2) has regained global industry attention due to surging demand from downstream sectors including new energy and electronic chemicals. According to Grand View Research's latest report, the global phosphoric acid market is projected to exceed USD 52 billion in 2023, with a CAGR of 4.8%. Major phosphoric acid producers such as China, Morocco, and the U.S.
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.
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
2-ACP Introduction2-ACP, is a chemical compound with the molecular formula C6H6ClN2. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals. In this article, we will discuss the properties, applications, and synthesis of 2-ACP.2-ACP Properties1. Physical Properties: 2-ACP is a white to off-white crystalline powder with a melting point of 110-114℃. It is soluble in organic solvents such as ethanol, methanol, and acetone, but insoluble in water.2. Chemical Properties: 2-ACP is a heterocyclic compound containing a pyridine ring and an amino group.
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.
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.
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.
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