Keralyt-manufacture,factory,supplier from China

(Total 24 Products for Keralyt)
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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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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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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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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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.
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Cyclohexanone is an organic compound with the formula C6H10O , a saturated cyclic ketone with carbonyl carbon atoms included in a six-membered ring. Colorless transparent liquid with earthy smell, with mint smell when containing trace amounts of phenol. Impurities are light yellow, which develop color with the formation of impurities during storage time, and are water-white to gray-yellow, with a strong pungent odor. Mixed with air, the explosive pole is the same as open-chain saturated ketone.
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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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Cloxazon, chemical identify 5-chloro-2-benzoxazolidone, molecular system C7H4ClNO2, is a muscle relaxant appearing on the center, used for more than a few acute and persistent smooth tissue (muscle, ligament) sprains, contusions, muscle aches after exercise, muscle spasms brought on through central neuropathy and continual fasciitis.【Chinese alias】Muscle relaxant; Chlordobenazole; 5-Chloro-2-hydroxybenzoxazole; Chloroxazolone; Chlordobenazole; Chlordobenazole; 5-Chloro-2-benzoxazolinone; 5-Chloro-2-benzoxazolone; 6
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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.
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In 1929, Daim located that there are two types of diet K in nature, K1 and K2, each of which are naphthoquinone compounds. Vitamin K2 is a naturally going on nutrition containing the simple shape of menaquinone and has anti-bleeding effects, yellow crystal or oily liquid at room temperature, insoluble in water, soluble in natural solvents and vegetable oils, heat-resistant, however effortless to be damaged via light.
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S-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: 88.11Assay: 98%Pro
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Chinese name thiopronin Chinese synonymous N-(2-mercaptopropionyl)-glycine; Thiopron; Tiopronin; N-(2-Mercaptopropionyl)glycine; mercaptopropionylglycine; Thiopronin impurities; (±)-N-(2-mercapto-1-oxopropyl)glycine; TIOPRONIN English name 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 formula C5H9NO3S molecular weight 163.19EINECS217-778-4 related categories of medical raw materials; medica
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CAS 39263-32-6 Purity 98%Molecular weight 197.04 Molecular formula C7H5BrN2Leadtime In stock Size gItem No. 1031675 Application Chemical, bioindustry, pharmaceuticalFor more product specifications, please consult customer 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, protect from light2-Amino-5-bromobenzonitrileCAS No.
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Glycine (Gly), also known as glycine, is a non-essential amino acid with the formula C2H5NO2. Glycine is a constituent amino acid of the endogenous antioxidant reduced glutathione, which is often supplemented exogenously during severe stress in the body, and is sometimes called a semi-essential amino acid. [1] Glycine is one of the simplest amino acids. [4]Solid glycine is a white to off-white crystalline powder, odorless, non-toxic [2]. Soluble in water and almost insoluble in ethanol or ether.
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An organic compound, colorless transparent liquid with a relative density of 0.971, soluble in organic solvents such as alcohols, ethers and ethyl acetate.
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Purpose 1It can be widely used in food, cosmetics, dietary supplements and other industries.Purpose 2Coenzymes. It is also an important antioxidant and immune booster. It is used for the adjuvant treatment of congestive heart failure, arrhythmia, sinus tachycardia, premature contractions, hypertension and cancer, and for the comprehensive treatment of acute and chronic viral hepatitis and subacute liver necrosis. In addition, it is also used for primary and secondary hyperaldosteronism, cerebrovascular disorders and hemorrhagic shock.
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Chemical composition informationINCI: 1,2-Hexanediol (1,2-Hexanediol)CAS No.:6920-22-5Molecular formula: C₆ H₁₄ O₂Molecular weight: 118.18g/molSpecific parametersAppearance: colorless transparent liquidOdor: completely odorlessPurity: >99.8%Water content: <0.2%Relative density (20°C): 0.946-0.956 g/cmRefractive index (25°C): 1.437-1.447pH (25°C): 6.5±0.5Boiling point: 223-224°C (at 760.00mm Hg)Air pressure: 9mbar (at 108°C)Flash point: 122°CMelting point: 45 °cStorage: Sealed storage in a cool place away from light and avoid high temperatures.Product advantages● Excellent grade, high pur
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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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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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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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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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Pharmacology and toxicologyWhen the plasma awareness exceeds 5 μg·mL-1, convulsions can occur, and at low doses, it can promote the outflow of K+ in myocardial cells, minimize the auto-discipline of the myocardium, and have anti-ventricular arrhythmic effect; At therapeutic doses, there is no full-size impact on the electrical endeavor of cardiomyocytes, atrioventricular conduction and contraction of myocardium; Further enlarge in blood awareness can reason slowing of cardiac conduction velocity, atrioventricular block,
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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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Pharmacology and toxicologyThis product is an amide local anesthetic. After blood absorption or intravenous administration, it has obvious excitation and inhibition biphasic effect on the central nervous system, and there can be no precursor excitement, when the blood concentration is low, analgesia and drowsiness, and the pain threshold is increased; With the increase of dose, the effect or toxicity increases, and there is an anticonvulsant effect at the concentration of subtoxic blood drugs; When the blood concentration exceeds 5 mg·mL-1, convulsions can occur.
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Medicine intermediate refers to a compound generated as an intermediate step in the process of synthetic drugs. It has high purity and activity, which can synthesize target drugs through further chemical reactions. Medicine intermediates are widely used in the pharmaceutical industry, covering multiple fields. The classification of pharmaceutical intermediates and its application areas will be introduced below.1. Carboxylic acid intermediate:The intermediate of the carboxylic acid refers to the compound of the carboxylic acid group, and the common ones are benzoic acid and propylic acid.
I. Overview of chemical and pharmaceutical intermediatesChemical pharmaceutical intermediates are a very important part of the pharmaceutical industry, referring to raw materials or semi-finished products in the pharmaceutical industry. These substances undergo a series of chemical reactions to eventually form pharmaceutical products. These chemicals usually exist in liquid or solid form and belong to various types of organic compounds such as acids, alcohols, carboxylic acids, phenols, cork and so on.
April 23, 2020. Customized in the middle of Shandong Pharmaceutical. The so -called Shandong pharmaceutical intermediate is actually some chemical raw materials or chemical products for drug synthesis process. This kind of chemical product does not require the production license of drugs. It can be produced in ordinary chemical plants. As long as it reaches some levels, it can be used for the synthesis of drugs.There are more than 2,000 raw materials and intermediates that need to be matched with chemicals each year, with more than 2.5 million tons.
May 13, 2020. Pharmaceutical intermediate body fluorine customized. Pharmaceutical fluorine: colorless liquid. The melting point -42 ℃. Boiling point 85 ° C. Refractive index (ND20) 1.4650. Relators (D420) 1.024. Insuvenate in water and mixes with ethanol, ether, acetone, and benzene. Apineine reacts through Schiemann (G. Schiemann).Ah. After the aniline was descended to -8 ° C after 31%hydrochloride, and the sodium nitrite solution was nitroded.
Intermediate production of chemical medicine is a work involving a large number of chemicals. If it is not managed and controlled correctly, it may bring serious risks and pollution to the environment. In order to reduce environmental risks in the production of chemical medicine, we need to improve and control from the following aspects.First, establish a scientific and standardized production process. The production of chemical medicine needs to go through multiple steps and reactions. Each step needs to carefully evaluate and formulate corresponding operating procedures.
Shandong is one of the important pharmaceutical production bases in the country, and the production production is relatively concentrated. The treatment of Shandong Pharmaceutical Intermediate waste is essential for protecting the environment, human health, and sustainable enterprise. This article will discuss how to properly handle waste in the production of Shandong pharmaceutical intermediates.First, reasonable classification and storage wasteReasonable classification and storage waste are the first step in waste treatment.