α-D-Glucopyranoside-manufacture,factory,supplier from China

Purpose 1used as pharmaceutical raw materials, health care products, intermediates, food additives, etcPurpose 2D-ribose is an important component of nucleic acid, the genetic material in living organisms, which occupies a pivotal position in the metabolism of nucleosides, proteins and fats, and has important physiological functions and broad application prospects. As a natural component of all cells in living organisms, D-ribose is closely related to the formation of adenylate and the regeneration of ATP, and is one of the most basic sources of energy for life metabolism.

Purpose 1Biochemical studies, adrenocorticosteroid drugs.Purpose 2Glucocorticoids have four major effects: anti-inflammatory, anti-allergic, anti-toxin, and anti-shock.Purpose 3The adrenal cortex secretes the main glucocorticoid, which has three times the anti-inflammatory power of corticosterone.Refer to quality standardsThe content is 96%-104%, mp212-220°C, the specific rotation [α] 20D+161°-+169°, the absorbance coefficient (A) is 428-450, and the content of impurities such as loss on drying and burning residue is detected.

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

Appearance: white or off-white crystalline powder, odorless, bitter taste. Deterioration in contact with light. Mp214-220°C (decomposition); Specific rotation [α] 25D+157.5° (dioxane), +176° (chloroform), +162°-+169° (ethanol); The ethanol solution has a maximum absorption at a wavelength of 242 nm. This product is insoluble in water, insoluble in ether, slightly soluble in chloroform, soluble in acetone, ethanol. Soluble in concentrated sulfuric acid solution and green fluorescence.

Appearance: Colorless liquid. The boiling point is 189 °C, the relative density is 1.073 (25/4 °C), the refractive index is 1.4494, and the flash point is 76 °C. Soluble in organic solvents, insoluble in water.Melting point -52 °cBoiling Point: 189 °C(lit.)Density 1.075 g/mL at 20 °CVapor pressure 4.2hPa at 25°CRefractive index n20/D 1.449(lit.)Flash point 169 °FStorage conditions RefrigeratorMorphological liquidThe color is transparentWater solubility: 0.5-1.0 g/100 mL at 20 ºCBRN2506Stability is unstable. Sensitivity to light. MEHQ of about 100 ppm can be used as a stabilizer.

2,3,4,5-TETRAFLUORBENZOYLCHLORID2,3,4,5-TETRAFLUOROBENZOYL CHLORIDEBenzoyl chloride, 2,3,4,5-tetrafluoro- (9CI)2,3,4,5-Tetrafluorobenzoyl2,3,4,5-Tetrafluorobenzoyl chloride 98%2,3,4,5-TETRAFLUOROBEZOYL CHLORIDE2,3,4,5-Tetrafluorobenzoylchloride98%94-24-62,3,4,5-Tetrafluorobenzoic acid chlorideBoiling point 65-66 °C 10mmDensity: 1.58 g/mL at 25 °C(lit.)Refractive index n20/D 1.4787(lit.)Flash point 194 °FSpecific gravity 1.580Sensitivity: Moisture sensitivityBRN5266860InChIKeyXWCKIXLTBNGIHV-UHFFFAOYSA-NCAS DataBase Reference94695-48-4

Boiling Point: 143-144 °C35 mm Hg(lit.)Density: 1.568 g/mL at 25 °C(lit.)Refractive index n20/D 1.572(lit.)Flash point > 230 °FSpecific gravity 1.568Sensitivity: Moisture sensitivityBRN4989077CAS DataBase Reference: 86393-34-2use2,4-Dichloro-5-fluorobenzoyl chloride is the main raw material for the preparation of third-generation quinolones such as trifluoroperidinol, trifluoroguabutenyl, pentafluridol and synthetic broad-spectrum antibiotics such as ciprofloxacin, and can also be used for pesticides, insecticides and ovicides, as well as the identification of plastics and resins.synthesisA

2,3,4,5-TETRAFLUORBENZOYLCHLORID2,3,4,5-TETRAFLUOROBENZOYL CHLORIDEBenzoyl chloride, 2,3,4,5-tetrafluoro- (9CI)2,3,4,5-Tetrafluorobenzoyl2,3,4,5-Tetrafluorobenzoyl chloride 98%2,3,4,5-TETRAFLUOROBEZOYL CHLORIDE2,3,4,5-Tetrafluorobenzoylchloride98%94-24-62,3,4,5-Tetrafluorobenzoic acid chlorideBoiling point 65-66 °C 10mmDensity: 1.58 g/mL at 25 °C(lit.)Refractive index n20/D 1.4787(lit.)Flash point 194 °FSpecific gravity 1.580Sensitivity: Moisture sensitivityBRN5266860InChIKeyXWCKIXLTBNGIHV-UHFFFAOYSA-NCAS DataBase Reference94695-48-4

Psicose is labeled as hexose and ketose, and is the differential isomer of D-fructose carbon role three IUPAC title (3R,4R,5R)-1,3,4,5, 6-Pentahydroxyhexan-2-one. It has the distinctive characteristic of regulating blood sugar and different recommended to human health, and is evaluated as the most attainable sucrose replacement through the US Food Navigation network.

Aspartic acid, also known as aspartic acid, is a α-amino acid, the L-isomer of aspartic acid is one of the 20 protein amino acids, that is, the building unit of protein, its codons are GAU and GAC. It is an acidic amino acid with glutamic acid. It belongs to one of the non-essential amino acids in the human body. Aspartic acid is ubiquitous in biosynthesis. It is a synthetic precursor of amino acids such as lysine, threonine, isoleucine, methionine and purine and pyrimidine bases in living organisms.

Boiling Point: 143-144 °C35 mm Hg(lit.)Density: 1.568 g/mL at 25 °C(lit.)Refractive index n20/D 1.572(lit.)Flash point > 230 °FSpecific gravity 1.568Sensitivity: Moisture sensitivityBRN4989077CAS DataBase Reference: 86393-34-2use2,4-Dichloro-5-fluorobenzoyl chloride is the main raw material for the preparation of third-generation quinolones such as trifluoroperidinol, trifluoroguabutenyl, pentafluridol and synthetic broad-spectrum antibiotics such as ciprofloxacin, and can also be used for pesticides, insecticides and ovicides, as well as the identification of plastics and resins.synthesisA

Appearance: Colorless liquid. The boiling point is 189 °C, the relative density is 1.073 (25/4 °C), the refractive index is 1.4494, and the flash point is 76 °C. Soluble in organic solvents, insoluble in water.Melting point -52 °cBoiling Point: 189 °C(lit.)Density 1.075 g/mL at 20 °CVapor pressure 4.2hPa at 25°CRefractive index n20/D 1.449(lit.)Flash point 169 °FStorage conditions RefrigeratorMorphological liquidThe color is transparentWater solubility: 0.5-1.0 g/100 mL at 20 ºCBRN2506Stability is unstable. Sensitivity to light. MEHQ of about 100 ppm can be used as a stabilizer.

Chinese title nitrobenzeneEnglish title nitrobenzeneEnglish aliases moreNitrobenzene physicochemical propertiesDensity 1.205boiling factor 210-211 °C(lit.)melting factor 5-6 °C(lit.)Molecular Formula C6H5NO2Molecular Weight: 123.10900Flash factor one hundred ninety °FExact mass 123.03200PSA 45.82000LogP 2.11800Appearance qualities yellow liquidVapor density 4.2 (vs air)Vapour stress 0.15 mm Hg ( 20 °C)refractive index n20/D 1.551(lit.)Storage conditionsStorage precautions Store in a cool, ventilated warehouse.

Psicose is classified as hexose and ketose, and is the differential isomer of D-fructose carbon position 3. IUPAC name (3R,4R,5R)-1,3,4,5, 6-Pentahydroxyhexan-2-one. It has the special function of regulating blood sugar and other beneficial to human health, and is evaluated as the most potential sucrose substitute by the US Food Navigation network.

Chinese name nitrobenzeneEnglish name nitrobenzeneEnglish aliases more Nitrobenzene physicochemical propertiesDensity 1.205boiling point 210-211 °C(lit.)melting point 5-6 °C(lit.)Molecular Formula C6H5NO2Molecular Weight: 123.10900Flash point 190 °FExact mass 123.03200PSA 45.82000LogP 2.11800Appearance traits yellow liquidVapor density 4.2 (vs air)Vapour pressure 0.15 mm Hg ( 20 °C)refractive index n20/D 1.551(lit.)Storage conditions Storage precautions Store in a cool, ventilated warehouse. Keep away from tinder, heat sources. Keep the container tightly sealed.

The appearance is colorless and crystalline, and it can be sublimated when it is exposed to light or discoloration in the air.Appearance trait: colorless crystal. Discoloration in case of air and light. Its solution turns tan in the air.

Cloxazon, chemical name 5-chloro-2-benzoxazolidone, molecular formula C7H4ClNO2, is a muscle relaxant acting on the center, used for various acute and chronic soft tissue (muscle, ligament) sprains, contusions, muscle aches after exercise, muscle spasms caused by central neuropathy and chronic fasciitis.【Chinese alias】Muscle relaxant; Chlordobenazole; 5-Chloro-2-hydroxybenzoxazole; Chloroxazolone; Chlordobenazole; Chlordobenazole; 5-Chloro-2-benzoxazolinone; 5-Chloro-2-benzoxazolone; 6-Chlorobenzoxazolone.【Molecular Formula】C7H4ClNO2 【Molecular Weight】169.57 【CAS】95-25-0【Usage and dosage】Oral:

CAS:21739-92-4Product 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-CHLOR

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

CAS 39263-32-6 Purity 98%Molecular weight 197.04 Molecular components C7H5BrN2Leadtime In inventory Size gItem No. 1031675 Application Chemical, bioindustry, pharmaceuticalFor greater product specifications, please seek advice from consumer service; Product Name: 2-Amino-5-bromobenzonitrile_Leyan reagent; CAS：39263-32-6； Molecular Formula: C7H5BrN2; Molecular weight: 197.04; storage conditions: 2-8 °C, guard from light2-Amino-5-bromobenzonitrileCAS No.

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.

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

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

Storage Conditions/Storage methods:Seal away from light and store in a cool place.Stability related:Other information:1. Properties: White or white powder. Almost odorless, tasteless and hygroscopic.2. Solubility: soluble in water and salt water, insoluble in ethanol, acetone, benzene, chloroform and ether. The pH of 1% aqueous solution is 6.0~7.5.Heparin was originally extracted from the liver, and is now mostly extracted from the intestinal mucosa of pigs, sheep, cattle and other animals, and can be extracted from the lungs and liver.