2 Ethyl Imidazole-manufacture,factory,supplier from China

Imidazole, molecular formula C3H4N2, is an organic compound, a type of diazole, a five-membered aromatic heterocyclic compound containing two meta-nitrogen atoms in its molecular structure.

Chinese name Ethyl trifluoroacetoacetateEnglish name Ethyl 4,4,4-trifluoroacetoacetateChinese alias ethyl 4,4,4-trifluoroacetoacetate | 4,4,4-TrifluoroacetylEnglish aliases more Ethyl trifluoroacetoacetate physicochemical propertiesDensity 1.3±0.1 g/cm3boiling point 129.5±0.0 °C at 760 mmHgMelting point -39 °CMolecular Formula C6H7F3O3Molecular weight 184.113flash point 28.9±0.0 °CExact Mass 184.034729Chinese name Ethyl trifluoroacetoacetateEnglish name Ethyl 4,4,4-trifluoroacetoacetateChinese alias ethyl 4,4,4-trifluoroacetoacetate | 4,4,4-TrifluoroacetylWear antistatic overalls and rubb

Imidazole, molecular formulation C3H4N2, is an natural compound, a kind of diazole, a five-membered fragrant heterocyclic compound containing two meta-nitrogen atoms in its molecular structure.

Chinese name Ethyl trifluoroacetoacetateEnglish name Ethyl 4,4,4-trifluoroacetoacetateChinese alias ethyl 4,4,4-trifluoroacetoacetate | 4,4,4-TrifluoroacetylEnglish aliases more Ethyl trifluoroacetoacetate physicochemical propertiesDensity 1.3±0.1 g/cm3boiling point 129.5±0.0 °C at 760 mmHgMelting point -39 °CMolecular Formula C6H7F3O3Molecular weight 184.113flash point 28.9±0.0 °CExact Mass 184.034729Chinese name Ethyl trifluoroacetoacetateEnglish name Ethyl 4,4,4-trifluoroacetoacetateChinese alias ethyl 4,4,4-trifluoroacetoacetate | 4,4,4-TrifluoroacetylEnglish alias  Ethyl trifluo

Chinese name: 1-[[2-(4-chlorophenyl)ethyl]amino]-2-chloropropane hydrochloride Chinese synonymous with inexperienced casserin intermediate; Lorcaserin intermediate 2; Lorcaserin Impurity B; 1-[[2-(4-chlorophenyl)ethyl]amino]-2-chloropropane hydrochloride; Lorcaserin hydrochloride intermediate 2; 2-Chloro-N-(4-chlorophenethyl)propan-1-amine chloride; Lorcaserin impurity B (EP); Chlorocasein Impurity B English title 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropane English synonym 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropane; 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloro

An organic compound, colorless transparent liquid with a relative density of 0.971, soluble in organic solvents such as alcohols, ethers and ethyl acetate.

Fields of applicationPurpose 1It is suitable for vitamin B1 deficiency, has the function of maintaining normal glucose metabolism and nerve conduction, and is also used for the adjuvant treatment of dyspepsia and neuritisPreparation method:Method 1Thiamine hydrochloride is usually obtained by condensation, hydrolysis, neutralization, oxidation, and acidification of excess acetamidine hydrochloride with α-dimethoxy β-methoxypropionitrile.Upstream and downstream product informationUpstream raw materialsEthanol, hydrogen peroxide, dimethyl sulfate, ethyl chlorosulfonate, acrylonitrile, carboxylat

Chinese name: 1-[[2-(4-chlorophenyl)ethyl]amino]-2-chloropropane hydrochloride Chinese synonymous with green casserin intermediate; Lorcaserin intermediate 2; Lorcaserin Impurity B; 1-[[2-(4-chlorophenyl)ethyl]amino]-2-chloropropane hydrochloride; Lorcaserin hydrochloride intermediate 2; 2-Chloro-N-(4-chlorophenethyl)propan-1-amine chloride; Lorcaserin impurity B (EP); Chlorocasein Impurity B English name 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropane English synonym 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropane; 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropaneHydrochloride; Benzene

An natural compound, colorless obvious liquid with a relative density of 0.971, soluble in natural solvents such as alcohols, ethers and ethyl acetate.

Chinese aliaso-Aminobenzonitrile 2-aminobenzonitrile 2-cyanoaniline-o-cyanoaniline 2-aminobenzonitrile 50G2-aminobenzonitrile 2-aminobenzonitrile 2-amino-benzonitrile 2-aminophenylhydrazine 2-aminobenzonitrileEnglish aliasO-AMINOBENZONITRILE2-Aminobenzonitrile, (AnthranilonitrileO-CYANOANILINE2-amino-benzonitrilBenzonitrile,  o-amino-Aminobenzonitrile2-Cyano-1-aminobenzene2-amino-benzonitrile1-amino-2-cyanobenzene2-CyanoanilineEINECS 217-549-92- cyano-anilineAnthranilonitrileortho-cyanoaniline2-AminobenzolcarbonitrilBenzonitrile, 2-amino-amino benzonitrileBenzonitrile,2-amino2-Amino Benzo

Chinese identify thiopronin Chinese synonymous N-(2-mercaptopropionyl)-glycine; Thiopron; Tiopronin; N-(2-Mercaptopropionyl)glycine; mercaptopropionylglycine; Thiopronin impurities; (±)-N-(2-mercapto-1-oxopropyl)glycine; TIOPRONIN English identify Tiopronin English synonym A-MERCAPTOPROPIONYL GLYCINE; ALPHA-MERCAPTO PROPIONYL GLYCINE; LABOTEST-BB LT00451995; TIOPRONIN; N-(2-MERCAPTOPROPIONYL)GLYCINE; TOPRONIN; (2-Mercaptopropionamido)acetic acid; (2-Mercaptopropionyl)glycineCAS1953-02-2Molecular system C5H9NO3S molecular weight 163.19EINECS217-778-4 associate

Brief introductionAE-active ester, chemical title 2-methoxyimino-2-(2-amino-4-thiazolyl)-(z)-thioacetic acid benzothiazole ester. Appearance: white or mild yellow crystalline powder, melting factor 128130 °C.

Character description: colorless obvious liquid. Melting factor -90.2C, boiling factor 117.7 °C, relative density 0.8098 (20/4C), refractive index 1.3993, flash factor 35.35.5 °C, spontaneous ignition factor 365 °C. The solubility in water at 20 °C is 7.7% (mass), and the solubility of water in n-butanol is 20.1% (mass). Miscible with ethanol, ethyl and different natural solvents. Vapor varieties an explosive combination with air, with an explosion restrict of 1.45-11.25 (volume).

2-Amino-3-hydroxypyridine properties, uses and production processPhysical and chemical properties 2-Amino-3-hydroxypyridine is gray-white to brown powder at room temperature and pressure, and has a certain alkalineness. It is insoluble in water, but has good solubility in alcoholic organic solvents, and can also be soluble in dimethyl sulfoxide with strong polarity. The chemical reaction 2-amino-3-hydroxypyridine structure contains a pyridine ring unit, the active hydroxyl group and amino group structure, and has good chemical reaction activity.

Character description: colorless transparent liquid. Melting point -90.2C, boiling point 117.7 °C, relative density 0.8098 (20/4C), refractive index 1.3993, flash point 35.35.5 °C, spontaneous ignition point 365 °C. The solubility in water at 20 °C is 7.7% (mass), and the solubility of water in n-butanol is 20.1% (mass). Miscible with ethanol, ethyl and other organic solvents. Vapor forms an explosive mixture with air, with an explosion limit of 1.45-11.25 (volume). It can form an azeotropic mixture with water, its boiling point is 92 °C, and the water content is 37%.

Appearance characteristicsThis product is white crystal, m.p.138~140 °C, insoluble in water, soluble in alcohol, ether, etc.Melting Point: 134-136 °C (lit.)Melting Point: 134-136 °C(lit.)Boiling Point: 272.96°C (rough estimate)Density 1.35Density 1.35refractive index1.4500 (estimate)Flash point 250 °CFlash point 250 °CStorage conditions: 2-8 °CStorage conditionsStore at RT.Solubility H2O: 10 mg/mL at 37 °CSolubility in water Solubility 10 mg/mLat 37 °CMorphological crystallineThe color is whiteAcidity coefficient (pKa): 3.5 (at 25°C)Water solubility: 3.3 g/L (20 ºC)Merck14,851BRN779271Exposure

 Experimental characteristicsLogP2.47600PSA55.98000Melting point 153-155°CDensity 1.215 Calculate the characteristicsExact molecular weight 198.07900Number of hydrogen bonded donors 1Number of hydrogen bond receptors 3Number of rotatable chemical bonds 2Number of heavy atoms 15Complexity 230Number of isotope atoms 0Determine the number of atomic stereoscopic centers 0The number of atomic stereoscopic centers is uncertain 0Determine the number of chemical bond stereotactic centers 0The number of chemical bond stereotactic centers is uncertain 0Number of covalent bond units 1Hydrophobi

Chinese Name: 2-[(6-chloro-3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidine]methyl]butyronitrileEnglish title 2-((6-Chloro-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrileChinese alias alogliptin-B | 2-[(6-Chloro-3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl)methyl]benzonitrile | Alogliptin intermediate | Alogliptin benzoate intermediate 1English aliases morePhysicochemical propertiesDensity 1.4±0.1 g/cm3boiling factor 418.0±55.0 °C at 760 mmHgMolecular formulation C13H10ClN3O2Molecular Weight: 275.690flash factor 206.6±31.5 °CExact

Chemical and physical properties of benzophenone hydrazoneDensity 1.1±0.1 g/cm3Boiling point 328.0±11.0 °C at 760 mmHgmelting point 95-98 °C(lit.)Molecular Formula C13H12N2Molecular weight 196.248Flash point 152.1±19.3 °CExact mass 196.100052PSA 38.38000LogP 2.79Appearance: White crystalline powderVapor pressure 0.0±0.7 mmHg at 25°CThe refractive index is 1.584Storage conditionsProtect from light, cool and dry place, sealed and storedstability Stable at room temperature and pressure, white crystalline powder.Molecular Molecular property data:1. Molar refractive index: 62.322.

Purpose 1Salicylic acid and acetic acid. Slightly soluble in water, soluble in ethanol, ether, chloroform, also soluble in hydroxide alkali solution or carbonic acid solution, and decompose at the same time. Commonly used antipyretic analgesics.

CAS1563-56-0InchiInChI=1S/C12H9BrN2O/c13-8-4-5-10(14)9(7-8)12(16)11-3-1-2-6-15-11/h1-7H,14H2InChIkeyKHVZPFKJBLTYCC-UHFFFAOYSA-NChinese aliasBromazepam Impurity A Bromazepam Impurity A(EP) Standard 2-Amino-5-bromophenyl-2-pyridylmethanone 2-(2-amino-5-bromobenzoyl)pyridineCanonical SmilesC1=CC=NC(=C1)C(=O)C2=C(C=CC(=C2)Br)NInternationalization joint naming(2-amino-5-bromophenyl)-pyridin-2-ylmethanoneEnglish alias2-(5-Bromo-2-aminobenzoyl)pyridine(2-Amino-5-bromophenyl)-2-pyridinylmethanone2-(2-Amino-5-bromobenzoyl)pyridineKetone, 2-amino-5-bromophenyl 2-pyridyl2-Amino-5-bromophenyl-2-pyridylmet

Product Category: Chemical Intermediates - Other Intermediates Cas Number: 21739-92-4Product Specifications: 99% Packing: 25 kg Brand: Runde Detailed Description:5-Bromo-2-chlorobenzoic acidChinese synonyms: 2-Chloro-5-bromobenzoic acid; 5-Bromo-2-chlorobenzoic acid; 5-Bromo-2-chlorobenzoic acid; 5-BroMo-2-chlorobenzoic acid, 98+%; 5-Bromo-2-chlorobenzoic acid; 2-Chloro-5-bromobenzoic acid, 99.86%; 5-Bromo-2-chlorobenzoic acid/2-chloro-5-bromobenzoic acid; 5-BroMo-2-chlorobenzoic acid, 98+%Name: 5-Bromo-2-chlorobenzoic acidEnglish synonyms:Benzoic acid, 5-bromo-2-chloro-; 2-CHLORO-5-BROMOBENZO

CAS:86087-23-2S-3-Hydroxytetrahydrofuran [1]English name: S-3-hydroxytetrahydrofuranChinese aliases: (S)-(+)3-hydroxy-tetrahydrofuran; (S)-(+)-3-Hydroxytetrahydrofuran; (S)-3-Hydroxytetrahydrofuran;S-3-Hydroxytetrahydrofuran; Afatinib intermediatesSYNONYMS: (S)-(+)-3-HYDROXY TETAHYDRO FURAN; (S)-(-)-3-HYDROXY TETRAHYDRO FURAN； S-(+)-3-HYDROXYTETRAHYDROFURAN； (S)-3-Hydroxyterthydrofurane； S-(+)-3-Hydroxytetrahydofuran； (2S)-2-Hydroxy-1,4-epoxybutane； (3S)-3-Hydroxytetrahydrofuran； (2S)-1,4-Epoxy-2-hydroxybutane； Afatinib intermediatesCAS：86087-23-2Molecular formula: C4H8O2Molecular weight: 88.1

Appearance: Light yellow crystalline powderMelting Point: 128-130 °C(lit.)Boiling Point:563.2±42.0 °C(Predicted)Density 1.63refractive index1.6200 (estimate)Storage conditions: Refrigerator, Under Inert AtmosphereSolubility soluble in chloroform (a little), methanol (a little)pKa1.22±0.10(Predicted)Morphological solidsThe color is pale yellowStability: Moisture sensitiveInChIKeyCOFDRZLHVALCDU-YVLHZVERSA-NCAS DataBase Reference80756-85-0Brief introductionAE-active ester, chemical name 2-methoxyimino-2-(2-amino-4-thiazolyl)-(z)-thioacetic acid benzothiazole ester.