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 O,O-Dimethyl phosphoramidothioate CAS#17321-47-0 Spermine is a kind of polyamine, a polyamine substance containing two amino groups and two imino groups. It is a low molecular weight aliphatic nitrogenous base with biological activity produced in the process of biological metabolism.
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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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Products Description of Pancreatin CAS#8049-47-6Pancreatin is a digestive aid, mainly containing trypsin, amylase and lipase. Trypsin can convert protein into peptone, amylase can convert starch into dextrin and sugar, and lipase can decompose fat into glycerol and fatty acids. It is more active under neutral or weakly alkaline conditions.
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Products Description of Color Developing Agent CD-3 CAS#24567-76-8White powder crystalColor Developing Agent CD-3 Chemical PropertiesWater Solubility Soluble in waterform powder to crystalcolor White to Light yellow to Light orangeInChIInChI=1S/2C12H21N3O2S.3H2O4S/c2*1-4-15(8-7-14-18(3,16)17)11-5-6-12(13)10(2)9-11;3*1-5(2,3)4/h2*5-6,9,14H,4,7-8,13H2,1-3H3;3*(H2,1,2,3,4)InChIKeyNPDFXFLCEDDWEG-UHFFFAOYSA-NSMILESC1(=CC=C(N)C(C)=C1)N(CC)CCNS(=O)(=O)C.C1(=CC=C(N)C(C)=C1)N(CC)CCNS(=O)(=O)C.S(=O)(=O)(O)O.S(=O)(=O)(O)O.S(=O)(=O)(O)OSafety InformationHazard Codes Xn;N,N,XnRisk
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1H-Benzotriazole CAS #95-14-71H-Benzotriazole is prepared by the reaction of o-phenylenediamine with nitrous acid in dilute sulfuric acid. Damschrodner and Peterson were able to synthesize the 1H-benzotriazole in a high yield (80%) by nitrosation of o-phenylenediamine with sodium nitrite in glacial acetic acid and water.1H-Benzotriazole is an anticorrosive agent, which is useful in aircraft deicing and antifreeze fluids. It is also employed in dishwasher detergents.
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Calcium beta-hydroxy-beta-methylbutyrate Chemical PropertiesMelting point >215°C (dec.)storage temp. Inert atmosphere,Room Temperaturesolubility Water (Slightly)form Powdercolor WhiteWater Solubility Soluble in water.Stability:HygroscopicInChIInChI=1S/C5H10O3.Ca.2H/c1-5(2,8)3-4(6)7;;;/h8H,3H2,1-2H3,(H,6,7);;;InChIKeyWLJUMPWVUPNXMF-UHFFFAOYSA-LSMILESC(C(=O)O)C(O)(C)C.[Ca]CAS DataBase Reference135236-72-5(CAS DataBase Reference)Safety InformationHS Code 2920907090Product Application of Calcium beta-hydroxy-beta-methylbutyrate CAS#135236-72-5Used as phar
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Urea CAS#57-13-6The urea molecule is planar in the crystal structure, but the geometry around the nitrogens is pyramidal in the gas-phase minimum-energy structure. In solid urea, the oxygen center is engaged in two N-H-O hydrogen bonds. The resulting dense and energetically favourable hydrogen-bond network is probably established at the cost of efficient molecular packing: The structure is quite open, the ribbons forming tunnels with square cross-section.
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Products Description of Tannic acid CAS#1401-55-4This product is a light yellow to light brown powder with a special odor and an extremely astringent taste; soluble in 1 part of water or ethanol, soluble in acetone, and insoluble in chloroform or ether.Tannic acid Chemical PropertiesMelting point 218 °C (lit.)Boiling point 862.78°C (rough estimate)density 1.2965 (rough estimate)refractive index 1.7040 (estimate)FEMA 3042 | TANNIC ACID (QUERCUS SPP.)Fp 198°Cstorage temp. Storage temperature: no restrictions.solubility ethanol: soluble100mg/mL, yellow
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Products Description of Benzenesulfinic Acid Sodium Salt CAS#873-55-2Benzenesulfinic Acid Sodium Salt is white crystal or white powder with a melting point of 300°C. It is stable at room temperature and pressure and avoids contact with oxides.
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Products Description of Isonicotinic acid CAS#55-22-1Isonicotinic acid is also known as pyridine-4-carboxylic acid. White needle-shaped crystals. Odorless, can sublime. Molecular weight 123.11. Melting point 319℃. Slightly soluble in cold water, soluble in hot water, insoluble in alcohol, benzene, ether. It is an amphoteric compound, soluble in both acid and alkali. Soluble in hot water and ethanol, slightly soluble in cold water and ether.
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Products Description of Sebacic acid CAS#111-20-6White flaky crystals. Slightly soluble in water, soluble in alcohol and ether.Sebacic acid Chemical PropertiesMelting point 133-137 °C (lit.)Boiling point 294.5 °C/100 mmHg (lit.)density 1.21vapor pressure 1 mm Hg ( 183 °C)refractive index 1.422Fp 220 °Cstorage temp. Store below +30°C.solubility ethanol: 100 mg/mLform Powder or Granulespka4.59, 5.59(at 25℃)color White to off-whiteOdormonoclinic prismatic tablets, wh.
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Products Description of Formic acid CAS#64-18-6 Formic acid is an important chemical raw material. It was first discovered by Fisher in 1670. A.S.Marggret first produced pure formic acid in 1749.It was first discovered by distilling red ants, hence the name formic acid. Formic acid is widely found in nature, such as in the secretions of red ants, bees, caterpillars, etc., in the leaves and roots of plants, and in fruits. It is the simplest carboxylic acid. Compared with other fatty carboxylic acids, it has a special structure and is more acidic.
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Products Description of Tetrabutylammonium Bromide CAS#1643-19-2 Tetrabutylammonium bromide is a common chemical product on the market.
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Products Description of Sodium chlorite CAS#7758-19-2Liquid sodium chlorite is a white or slightly yellow-green aqueous solution, alkaline, and slightly hygroscopic. It is easily soluble in water and alcohol. Sodium chlorite is relatively stable at room temperature and under normal storage conditions. It is easy to decompose and release chlorine dioxide gas when it comes into contact with acid.
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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 TetrachloroethyleneCAS#127-18-4Tetrachloroethylene, also known as perchloroethylene, is a compound formed by replacing all hydrogen atoms in ethylene with chlorine in terms of molecular structure. It was first produced by Faraday in 1821 when he pyrolyzed hexachloroethane. It is a colorless, transparent liquid with an ether-like odor. It is non-flammable. Its relative molecular mass is 165.85. Its relative density is 1.6220. Its melting point is -22.7℃. Its boiling point is 121.2℃ and 33.2℃ (4.000×103Pa). Its refractive index is 1.5055.
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Methylammonium bromide CAS#6876-37-5Methylammonium bromide Chemical PropertiesMelting point 248.0 to 253.0 °CWater Solubility Soluble in waterform powdercolor White to Almost whiteInChIInChI=1S/CH5N.BrH/c1-2;/h2H2,1H3;1HInChIKeyISWNAMNOYHCTSB-UHFFFAOYSA-NSMILES[NH3+]C.[Br-]Safety InformationHazard Codes XnRisk Statements 22-36/37/38Safety Statements 26-36/37/39-46WGK Germany 3HS Code 29239000Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Dichloromethane  CAS#75-09-2Dichloromethane (DCM), additionally recognized as methylene chloride, is a transparent, colorless, risky halogenated aliphatic hydrocarbon compound with an ether-like mildly candy smell. It is relatively soluble in water as properly as in most natural solvents namely; ether, ethanol, ketones, aldehydes, and phenols (1).
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