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.
ติดต่อตอนนี้
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
ติดต่อตอนนี้
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
ติดต่อตอนนี้
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.
ติดต่อตอนนี้
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.
ติดต่อตอนนี้
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
ติดต่อตอนนี้
Products Description of Furfural CAS#98-01-1Furfural is a colorless, transparent, oily liquid produced by hydrolysis and dehydration of pentosan in plant fiber raw materials. It is also called furan formaldehyde. It has a special aroma. Under light, heat, air oxidation and the action of inorganic acids, the color quickly changes to yellow-brown, and finally to dark brown. It is also easy to polymerize and become resinous. It should be stored away from light, deoxygenated and sealed.
ติดต่อตอนนี้
Products Description of Polyisobutylene CAS#9003-27-4Calcium phosphate tribasic (C3161) is plant cell culture tested (0.2 mg/ml) and is appropriate for use in plant cell culture experiments. Calcium phosphate tribasic is utilized to engineer new biomaterials for applications such as bone grafts and fillers.    Si-substituted hydroxyapatite (Si-HAp) nanopowder can be incorporated in biodegradable polymer composites or deposited on biocompatible surfaces similar to pure HAp nanopowder (cat. no. 677418).
ติดต่อตอนนี้
Products Description of Polyisobutylene CAS#9003-27-4Ammonium Chloride (CAS#12125-02-9) is a white crystalline salt that is highly soluble in water, with a solubility of 37.2 g/100 g at 20°C. It is a crucial component in agricultural fertilizers, providing essential nitrogen for plant growth. This compound is also used as a feed additive and in various industrial applications due to its versatility. In agriculture, Ammonium Chloride is valued for its ability to enhance soil fertility and promote robust plant development.
ติดต่อตอนนี้
Products Description of Madecassic acid CAS#18449-41-7Madecassoside (MC) is the main active ingredient of triterpenoid saponins in Centella asiatica Urb., a plant of the Umbelliferae family. Studies have shown that MC has a wide range of pharmacological activities in vivo and in vitro, and can reduce collagen-induced arthritis inflammation, promote the proliferation of human fibroblasts cultured in vitro, treat or prevent hypertrophic scars and keloids, and protect myocardial ischemia-reperfusion injury.
ติดต่อตอนนี้
Products Description of Casein CAS#9000-71-9 Casein is the main protein in the milk of mammals, including cows, sheep and humans. The protein in milk is mainly casein, while human milk is mainly albumin. Casein is a large, hard, dense, and extremely difficult to digest and decompose curd.Casein is the highest content protein in milk. It is currently mainly used as a food raw material or microbial culture medium.
ติดต่อตอนนี้
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.
ติดต่อตอนนี้
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.
ติดต่อตอนนี้
Products Description of ForchlorfenuronCAS#68157-60-8Chloropyridin-4-yl [1-(2-chloropyridin-4-yl)-3-phenylurea, CPPU], also known as chlorpyrifos and KT-30, is a plant growth regulator of the cytokinin class. It has the effects of inducing callus growth and promoting bud development before harvest. After harvest, it has a significant effect on controlling post-harvest leaf yellowing and post-harvest diseases of various fruits and vegetables.
ติดต่อตอนนี้
Products Description of Poly(tetrahydrofuran)CAS#25190-06-1Polytetrahydrofuran is a white waxy solid that is easily soluble in alcohols, esters, ketones, aromatic hydrocarbons and chlorinated hydrocarbons, but insoluble in aliphatic hydrocarbons and water.
ติดต่อตอนนี้
POLY(METHYLSTYRENE-CO-INDENE) CAS#69430-35-9It has good thermal stability and chemical stability, and is not prone to chemical reactions under normal conditions. However, under extreme conditions such as high temperature, strong acid, and strong alkali, its chemical structure may be affected to a certain extent.
ติดต่อตอนนี้
Products Description of Poly(dimethylsiloxane)CAS#9016-00-6Depending on the relative molecular mass, the appearance of polydimethylsiloxane ranges from colorless and transparent volatile liquid to extremely high viscosity liquid or silica gel. It has physiological inertness, good chemical stability, electrical insulation and weather resistance, a wide viscosity range, a low freezing point, a high flash point, good hydrophobicity, and high shear resistance. It can be used for a long time at a temperature of 50 to 180°C.
ติดต่อตอนนี้
Products Description of Poly(ethylene glycol) dimethacrylateCAS#25852-47-5 Used in food, medical and health gel materials, etc.Poly(ethylene glycol) dimethacrylate Chemical PropertiesBoiling point >200 °C2 mm Hg(lit.)density 1.11 g/mL at 25 °Crefractive index n20/D 1.467Fp >230 °Fstorage temp. 2-8°Csolubility H2O: solubleform Granular Solidcolor White to off-whiteWater Solubility Soluble in water.Sensitive Moisture & Light SensitiveStability:Stable.
ติดต่อตอนนี้
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
ติดต่อตอนนี้
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).
ติดต่อตอนนี้
Tetrachloroethylene CAS#127-18-4 Tetrachloroethylene (chemical method Cl2C=CCl2) is a chlorinate hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a colorless, volatile, nonflammable liquid with an ether-like odor. The most important section of tetrachloroethylene is produced by means of excessive temperature chlorinolysis of mild hydrocarbons.Tetrachloroethylene is an awesome solvent for natural materials.
ติดต่อตอนนี้
Ethanol  CAS# 64-17-5Ethanol, additionally recognized as ethyl alcohol (or grain spirits, or alcohol), is a clear colorless, volatile, flammable solvent with a attribute odor. The boiling factor of ethanal is 78.5°C. The bio-alcohol is observed in alcoholic beverages. Concentrated alcohol has a sturdy burning taste, however it is truly candy when diluted. It is additionally increasingly more being used as a gas (usually changing or complementing gasoline).
ติดต่อตอนนี้
Products Description of Butyl acetate CAS#123-86-4Butyl acetate is a carboxylic acid ester synthetic fragrance, also known as butyl acetate. It is a colorless transparent liquid with a strong fruity aroma. It can be mixed with ethanol and ether at will, can be dissolved in most organic solvents, and is slightly soluble in water. The solubility in water is 0.05g. Its vapor has a weak anesthetic effect, and the allowable concentration in the air is 0.2g/l. This product has a strong fruity aroma.
ติดต่อตอนนี้
Products Description of Hexadecyl trimethyl ammonium bromide CAS#57-09-0Hexadecyltrimethylammonium bromide is white or light yellow crystals or powder, easily soluble in isopropanol, soluble in water, produces a lot of foam when shaken, and has good compatibility with cationic, nonionic, and amphoteric surfactants. It has excellent penetration, softening, emulsification, antistatic, biodegradability, and bactericidal properties.
ติดต่อตอนนี้
Relate News
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.
Camphor oil is one of the coloring oils used in glaze colors. Made from camphor resin. Light yellow, volatile, with a strong camphor smell. “Ceramic Color Painting”: “Use it to expand the color when painting new colors, it is easy to develop the oil, the brush is loose, and it dries quickly after painting. Pastel is rarely used, only used for freehand color expansion. Sometimes It is also used to develop dry pens, or to wipe off the residue that has consolidated in the dish, or to wipe off the dried waste line on the screen.
Evening primrose (Eveningprimrose) is a willow leaf vegetable native to North America. It gets its name because its flowers only bloom at night. Its roots, stems and leaves are often used as medicine by European nobles, so it is also known as the emperor’s panacea.Modern research has found that evening primrose oil extracted from evening primrose seeds is rich in GLA (gamma-linolenic acid). GLA is an unsaturated fatty acid, which is an important component of human cell membranes.
Recent News Summary on AntioxidantsHealth and Disease Mechanisms: A comprehensive understanding of the mechanisms of antioxidant action in health and disease has been discussed in a recent study, highlighting the role of oxidative stress in various human diseases and the potential of antioxidants as therapeutic agents .Advances in Antioxidant Research: Recent developments in the field of antioxidants have focused on the structure and antioxidant properties of various compounds.
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. .
Global Role of Ethylene GlycolThe global supply chain is intricately linked with the production and distribution of ethylene glycol, also known as mono ethylene glycol (MEG) or simply EG, with the chemical formula C2H6O2 and CAS number 107-21-1 . This clear, viscous liquid is a critical component in various industries, from automotive to textiles, and is commonly recognized for its use in glycol antifreeze solutions .Ethylene glycol is predominantly utilized in the manufacturing of polyester and polyurethane plastics, which are essential in the textile industry.
1. 2024 Production and Sales OverviewBased on the latest available data, the specific global production and sales figures of caustic soda (CAS#1310 - 73 - 2) in 2024 have not been fully compiled yet. However, looking at the situation in China, which is a major player in the global caustic soda market, from January to November 2024, the production of caustic soda (in terms of 100% equivalent) reached 39.805 million tons, showing a year - on - year growth of 5.9%.
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.
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.
Niacinamide, also called nicotinamide, is an amide substance of niacin. White crystalline powder; odorless or nearly odorless, bitter in taste; slightly hygroscopic. Soluble in water or ethanol, soluble in glycerol.Because nicotinamide is a B vitamin derivative, as well as nicotinamide is additionally a component of coenzymes, it is an essential part of the body as a coenzyme of several dehydrogenases.
x

ส่งเรียบร้อยแล้ว

เราจะติดต่อคุณโดยเร็วที่สุด

ปิด