1. 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. Put the fresh intestinal mucosa into the reaction pot, add sodium chloride at 3%, and adjust the pH to 9.5 with 40% sodium hydroxide. Gradually heat up to 60-65 ° C within half an hour, continue to hold heat and stir for 2h, then heat up to 95 ° C, maintain for 10min, cool to below 50 ° C and filter.
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Sodium gluconate is a type of natural matter, chemical components C6H11NaO7, in the enterprise is very extensively used, sodium gluconate can be used in construction, fabric printing and dyeing and metallic floor cure and water remedy industries as environment friendly chelating agent, metal floor cleansing agent, glass bottle cleansing agent, electroplating industrial aluminum oxide coloring, in the concrete enterprise as a excessive effectivity
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Sodium hyaluronate, chemical system (C14H20NO11Na)n, is an inherent thing of the human body, is a glucuronic acid, no particular species, it is extensively current in placenta, amniotic fluid, lens, articular cartilage, pores and skin dermis and different tissues and organs. It is disbursed in the cytoplasm and interstitium, which lubricates and nourishes the cells contained in it and the cell organs themselves.It additionally presents a microenvironment for cellphone metabolism.
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Sulfadiazine is an organic compound with a molecular formula of C10H10N4O2S, white or off-white crystals or powders, odorless, tasteless, and gradually darkened when exposed to light. Almost insoluble in water, soluble in boiling water (1:60), slightly soluble in ethanol and acetone, insoluble in chloroform and ether, soluble in dilute hydrochloric acid, sodium hydroxide solution or ammonia solution. Melting point 252~256 °C (simultaneous decomposition). Its sodium salt is white crystalline powder, odorless, slightly bitter taste. Gradient brownish upon light.
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Sodium gluconate is a kind of organic matter, chemical formula C6H11NaO7, in the industry is very widely used, sodium gluconate can be used in construction, textile printing and dyeing and metal surface treatment and water treatment industries as efficient chelating agent, steel surface cleaning agent, glass bottle cleaning agent, electroplating industrial aluminum oxide coloring, in the concrete industry as a high efficiency retarding agent, high efficiency water reducing agent.Used as a cleaning agent for steel surface:Steel surface such as the need for plating bowl, chromium plating, tin pl
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Sulfadiazine is an natural compound with a molecular formulation of C10H10N4O2S, white or off-white crystals or powders, odorless, tasteless, and step by step darkened when uncovered to light. Almost insoluble in water, soluble in boiling water (1:60), barely soluble in ethanol and acetone, insoluble in chloroform and ether, soluble in dilute hydrochloric acid, sodium hydroxide answer or ammonia solution. Melting factor 252~256 °C (simultaneous decomposition).
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Sodium hyaluronate, chemical formula (C14H20NO11Na)n, is an inherent component of the human body, is a glucuronic acid, no specific species, it is widely present in placenta, amniotic fluid, lens, articular cartilage, skin dermis and other tissues and organs. It is distributed in the cytoplasm and interstitium, which lubricates and nourishes the cells contained in it and the cellular organs themselves.It also provides a microenvironment for cell metabolism.
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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
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Chinese aliasBromazepam Impurity A Bromazepam Impurity A(EP) Standard 2-Amino-5-bromophenyl-2-pyridylmethanone 2-(2-amino-5-bromobenzoyl)pyridineEnglish 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-pyridylmethanone2-Amino-5-bromophenyl 2-pyridyl ketone(2-amino-5-bromophenyl)-pyridin-2-ylmethanone2-(2-AMINO-5-BROMOBENZOYL) PYRIDINE4-bromo-2-[(pyridin-2-yl)carbonyl]anilineMethanone, (2-amino-5-bromophenyl)-2-pyridinyl-(2-Amino-5-bromophenyl)(2-pyridinyl)met
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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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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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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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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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Titanium dioxide, is an inorganic compound, chemical formula TiO2, is a white solid or powder amphoteric oxide, molecular weight 79.866, non-toxic, the best opacity, the best whiteness and brightness, is considered to be the best performance white pigment in the world today. Titanium white has strong adhesion, is not easy to chemically change, and is always snow-white. Widely used in coatings, plastics, papermaking, printing inks, chemical fiber, rubber, cosmetics and other industries.
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L-alanine is an natural compound with the system C3H7NO2, is a colorless to white crystalline powder, soluble in water, ethanol, insoluble in ether and acetone. It is commonly used in biochemical research, tissue culture, liver feature determination, taste enhancer, can expand the seasoning impact of condiments, and can additionally be used as a bitter style correction agent to enhance the bitter style of natural acids.Physical data1.
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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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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
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Alprazolam, is an organic compound with the formula C17H13ClN4, mainly used for the treatment of anxiety, depression, insomnia, can be used as an anti-panic drug, but also can relieve acute alcohol withdrawal symptoms, can also have a good therapeutic effect on drug-induced intractable hiccups.Pharmacological actionThis product is a new BDZ class drug, with similar pharmacological effects as diazepam, with anxiolytic, antidepressant, sedative, hypnotic, anticonvulsant and muscle relaxant effects.
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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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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.
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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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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
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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.
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