A-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.

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.

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

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.

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

Methylamine has a wide range of industrial uses.

Also known as fluorenoneSpecification or purity 99%The English name is 9-FluorenoneApplication It is a raw material for the preparation of a variety of fine chemicals, mainly used in functional polymers, and it can also be used in medicine, pesticides, and dyes. 9-fluorenone has been widely used as a precursor for the synthesis of various organic electronic materials. Some general examples are: · • Synthesis of the bodies of blue and green phosphorescent organic light-emitting diodes (PHOLEDs). Synthesis of fluorenyl molecular motors.

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.

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

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

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.

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.

Rare earth chitosamine chelated saltsRare earth chitosamine integration salts are special compounds that are composed of rare earth elements and chitosamine formed integrators. In chemistry, integration refers to the combination of one or more coordination groups (usually dominated by oxygen and ammonia atoms) with metal ions to form a stable complex.

Also recognized as fluorenoneSpecification or purity 99%The English identify is 9-FluorenoneApplication It is a uncooked fabric for the practise of a range of first-class chemicals, commonly used in purposeful polymers, and it can additionally be used in medicine, pesticides, and dyes. 9-fluorenone has been extensively used as a precursor for the synthesis of a number natural digital materials.

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.

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.

Hydrazine hydrate, additionally recognised as hydrazine hydrate, is a colorless and obvious oily liquid with a mild ammonia smell, smoke in humid air, and is exceedingly alkaline and hygroscopic.

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.

Methylamine has a wide range of industrial uses.

Formic acid is an natural substance with the chemical system HCOOH and a molecular weight of 46.03 , usually recognized as formic acid, which is the easiest carboxylic acid. A colorless liquid with a pungent odor. Formic acid is a susceptible electrolyte, however its aqueous answer is weakly acidic and corrosive, which can stimulate pores and skin blistering. It is typically determined in the secretions of bees, positive ants, and caterpillars.

Quality standardsOff-white to light yellow crystalline appearanceContent 299% (HPLC)Melting point 216-220°C(s2C)Moisture S21.5%Ignition residue S0.2%The ethanol water dissolution test (thousand products) is qualifiedUses: used in pharmaceuticals, biological reagents, dyes, can also be used to synthesize 5,7-dimeryl flavonoids.As a medicine, resorcinol directly acts on the smooth muscle of the gastrointestinal tract and genitourinary tract, and is a prophilic non-atropine non-sinosynergine pure smooth muscle antispasmodic drug Compared with other smooth muscle spasmodics, resorcinol is characte

Hydrazine hydrate, also known as hydrazine hydrate, is a colorless and transparent oily liquid with a light ammonia smell, smoke in humid air, and is highly alkaline and hygroscopic.

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.