Reactive oxygen species (ROS) is O2, with electron products, including oxygen one electron product oxygen anion O2-, two electron product hydrogen peroxide (H2O2), three electron product hydroxyl radical (OH-), nitric oxide, etc., short half-life, fat soluble.
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Salicylic acid, a kind of organic acid, chemical formula C7H6O3, is a white crystalline powder, slightly soluble in cold water, easily soluble in hot water, ethanol, ether and acetone, soluble in hot benzene, mainly used as medicine, spices, dyes, pesticides, rubber additives and other important raw materials of fine chemicals.1.
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N,N-dimethylformamide is an natural compound with the components C3H7NO and is a colorless obvious liquid. It is no longer solely a chemical uncooked fabric with a large vary of uses, however additionally an tremendous solvent with a broad vary of uses.
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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.
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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.
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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.
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apply4-chloropyridine hydrochloride is an important intermediate in organic synthesis, which is widely used in the preparation of new medicines, pesticides, dyes, etc.use4-Chloropyridine hydrochloride can be used as a pharmaceutical intermediate in the process of laboratory organic synthesis and chemical and pharmaceutical research and development, and pyridine base can be used to synthesize more than 50 drugs, including antitumor drugs, penicillin, vasodilators, nicotinate, inositol nicotinate, etc.preparationPyridine is used as the starting material, and 4-chloropyridine hydrochloride is syn
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Pharmacology and toxicologyThis product is an amide neighborhood anesthetic.
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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.
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Experimental characteristicsLogP 2.47600PSA 55.98000Melting factor 153-155°CDensity 1.215Calculate 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 range of atomic stereoscopic facilities 0The wide variety of atomic stereoscopic facilities is unsure 0Determine the quantity of chemical bond stereotactic facilities 0The wide variet
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Anilidine, also known as aminobenzene, is an organic compound, chemical formula C6H7N, is a colorless oily liquid, heated to 370 °C decomposition, slightly soluble in water, soluble in ethanol, ether and other organic solvents.Aniline is one of the most important amines. It is mainly used in the manufacture of dyes, drugs, resins, and can also be used as rubber vulcanization accelerators. It itself can also be used as a black dye.
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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
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Magnesium sulfate solution, volumetric laxatives and choleretic agents. It is used for catharsis, choleretic, duodenal drainage and local swelling.Ingredients BroadcastThe main component of this product is magnesium sulfate.It is a sterilized aqueous solution of magnesium sulfate. Magnesium sulfate (MgSO4.7H2O) should be 95.0%~105.0% of the labeled amount.Molecular formula: MgSO4·7H2OMolecular weight: 246.48Indications BroadcastVolumetric laxatives and choleretics.
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TriacetateGlyceryl triacetate is an organic compound with a C9H14O6 molecular formula, colorless and odorless oily liquid, miscible with ethanol, ether, chloroform and benzene, slightly soluble in water and carbon disulfide. Used as cigarette filter binder and fragrance fixative, solvent, toughening agent. And can be used in cosmetics, casting, medicine, dyes and other industries.
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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
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Chemical propertiesFormaldehyde and resorcinol react under alkaline conditions to form orange-red compounds, which are colorimetric at a maximum absorption wavelength of 460nm to detect low traces of formaldehyde in textile and clothing.Since resorcinol can undergo enol and ketone form tautomerism, it can react with ammonia as follows:Ketone reaction of resorcinolUnder the action of ammonia, m-phenyltriamine is obtained by reaction in ketone, and the amine is hydrolyzed in the aqueous solution of acid to obtain resorcinol.
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Molecular shape dataMolar refractive index: 41.72Molar extent (cm3/mol): 128.4Isotonic unique quantity (90.2K): 338.5Surface tension (dyne/cm): 48.2Polarizability (10-24cm3): 16.54Computational chemical dataHydrophobic parameters calculation reference price (XlogP): 1.7Number of hydrogen bonded donors: 1Number of hydrogen bond receptors: threeNumber of rotatable chemical bonds: 1Number of tautomers:Topological molecular polar floor place (TPSA): 54.4Number of heavy atoms: elevenSurface charge: zeroComplexity:
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Appearance: Yellow needle-like crystals.
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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.
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In 1929, Daim discovered that there are two kinds of vitamin K in nature, K1 and K2, both of which are naphthoquinone compounds. Vitamin K2 is a naturally occurring vitamin containing the basic structure of menaquinone and has anti-bleeding effects, yellow crystal or oily liquid at room temperature, insoluble in water, soluble in organic solvents and vegetable oils, heat-resistant, but easy to be damaged by light. It can promote the synthesis of prothrombin in the liver and regulate the synthesis of coagulation factors VII., IX., and X., thereby accelerating blood clotting.
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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.
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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
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melting point:248 °C (decomp)Density1.3175 (rough estimate)refractive index1.5630 (estimate)Storage conditionsKeep in dark place,Inert atmosphere,Room temperatureSolubility DMSO : 6 mg/mL (19.95 mM)InChIInChI=1S/C12H17N4OS.
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Trehalose, also known as fenose and fungose, is a non-reducing disaccharide composed of two glucose molecules with the molecular formula C12H22O11 [8].
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