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Intermediates of synthetic materials refer to the compounds that participate in the reaction as reactants or intermediates during the preparation of synthetic materials. These compounds usually have certain reactivity and chemical stability, and can play an important role in chemical reactions.
4- chlorophenone is an important intermediate with structural function. It is mainly used as a pharmaceutical intermediate for the synthesis of the new diet drug rimonabant (N-(piperidine)-5-(4-chlorophenyl)-1-(2, 4-dichlorophenyl) -4-methyl-IH-pyrazole-3 formamide). The key intermediates of Chemicalbook, α-bromo4-chlorophenyl and 4-(4-chlorophenyl) -3-methyl-2, Ethyl 4-dioxybutyrate; It can also be used as fine chemical raw materials for the synthesis of fine chemical products containing...
Chloropropyltrialkoxysilane, mainly used as a silane coupling agent product, is an important basic raw material for processing sol-gel, which adds the right amount of organic properties to the polysiloxane mesh.
Sucralose is a white powder product, which is very soluble in water, ethanol and methanol. It is the only functional sweetener produced from sucrose, and its sweetness is 600 times that of sucrose, and its sweetness is pure, and its sweetness characteristics are very similar to sucrose, without any bitter aftertaste; no heat, no dental caries, good stability, especially stable in aqueous solution.
Kojic acid CAS 501-30-4 is an organic acid with antibacterial effect produced by aerobic fermentation of glucose by Candida trituberculatus at 30-32°C. The molecular structure is γ-pyrone with substituent group, among the γ-pyrone compounds existing in nature, the only famous compounds are tric acid and maltol. In 1953, Arnstela (surface fermentation) and in 1971, Makio Kitada (deep fermentation) proved that triglyceride is formed by direct oxidation and dehydration of glucose without carbon...
Dimethyl Sulfone MSM CAS 67-71-0 is an organic sulfide with a molecular formula of C2H6O2S, which is a necessary substance for human collagen synthesis. MSM is contained in human skin, hair, nails, bones, muscles and various organs,it is the main drug to maintain the balance of Substances sulfur in the human body. Sulfur is the most abundant element in the human body besides carbon, oxygen, nitrogen and hydrogen. Studies have shown that the sulfur-containing tissues in the human body, 85% of...
Octyldodecanol 2-Octyl-1-dodecanol cosmetic grade CAS 5333-42-6 ubricants, emulsifiers, solvents and thickeners. Used in cosmetics and external preparations, it has the function of emulsifier and lubricant. Octyldodecanol has a transdermal promoting effect and can promote the transdermal absorption of naproxen. For drugs with poor transdermal performance, microemulsion with octyldodecanol as an auxiliary material can increase the transdermal speed.
Colorless liquid. Freezing point -44.3℃, boiling point 188℃, relative density 0.907 (20/4℃), refractive index 1.4115. flash point 54℃. Miscible with most of alcohols, ketones, ethers, halogenated hydrocarbons, miscible with water at room temperature. Application： 1. Used as organic synthesis solvent, nitro spray paint component for brushing, leveling agent for fiber and leather, leveling agent for photographic printing, etc. 2. High boiling point reaction medium. Solvent. Gas chromatography...
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Pentapeptides have only 13 amino acids and are small in molecular weight and easily absorbed. One of its significant effects is to promote collagen hyperplasia and indirectly repair human oral mucosa. The anti-aging effect of pentapeptide can prevent and improve gingival atrophy. In addition, pentapeptide can promote hyaluronic acid and elastic fiber hyperplasia, can effectively activate hyaluronic acid synthesis, which is essential for maintaining oral moisture and relieving dry mouth.
It is colorless liquid, soluble in water and oil. It is produced by coheating ethylene oxide and ethylene glycol butyl ether under pressure. Application： Mainly used as solvent, used in paints, dyes, resins, etc. Also used as intermediate of plasticizer and diluent of hydraulic brake fluid, in addition, used to produce piperonyl butoxide compounds.
Tris-HCl for short. Tris-HCl buffer is widely used not only as a solvent for nucleic acids and proteins, but also for many other important purposes. Application： 1.The pH of all buffers is temperature and concentration dependent. For Tris buffers, the pH increases by approximately 0.03 units per 1°C increase in temperature and decreases by 0.03-0.05 units per 10-fold dilution. 2.For biological buffers 3.Used as intermediate in organic synthesis
White crystal or crystalline powder, soluble in water, no deliquescence, good fluidity. Application： 1. Preservative. It has diuretic effect. 2.Used in leather tanning. 3. Used as feed additive, suitable for all kinds of animals, with acidification, anti-mold, anti-bacterial and other effects. 4. Calcium formate decomposes in animal gastrointestinal free formic acid, lowering the PH in the gastrointestinal, which is conducive to activating pepsinogen and promoting digestion, and also has...
β -nicotinamide mononucleotide, also known as β -nicotinamide mononucleotide (NMN), is a synthetic substrate of coenzyme I, and NMN is also used in anti-aging studies. Keio University in Japan and the University of Washington in the United States are conducting human clinical trials on the anti-aging effects and safety of β-NMN. Studies have shown that β-NMN can also regulate the secretion of insulin and affect the expression level of mRNA. β -chemical BooKNMn has a wide application prospect in...
Description： Glycolic acid is the smallest alpha-hydroxy acid (AHA). It is mainly supplemented to various skin-care products to improve the skin’s appearance and texture. It can also reduce wrinkles, acne scarring, and hyperpigmentation. In textile industry, it can be used as a dyeing and tanning agent. It can also be used as a flavoring agent in food processing, and as a skin care agent in the pharmaceutical industry. It can also be added into emulsion polymers, solvents and ink additives to...
Ultraviolet Absorbent UV-360 is majorly used as a UV filter in sunscreens and in photo-luminescent dyes for organic electronic based applications.
Ultraviolet Absorbent UV-360 is majorly used as a UV filter in sunscreens and in photo-luminescent dyes for organic electronic based applications.
Denatonium benzoate is now known as the world's most bitter compound. If we set the bitter degree of quinine as datum 1, the degree of bitterness of the product would be 1000. A concentration of 10ppm solution is already too bitter to bear for most people. The vast majority of its applications are related to its bitter flavor. It is an inexpensive and efficient alternative to its counterparts such as strychnine, bitter lignin, quinine, wood song glycosides, saponins grapefruit. Denatonium...
Pharmaceutical intermediates are chemical substances that act as reaction intermediates or synthetic precursors in the process of drug synthesis. They are usually organic compounds that can be converted into final pharmaceutical products through...
Industry sources said last week that due to the lack of investment and the rapid growth of consumption, India will face serious shortage of refined terephthalic acid and ethylene glycol for a long period of time. According to Matthew George, head of...
In recent years, the domestic chlor-alkali industry has been developing rapidly. By the end of 2009, China's production capacity was approximately 25 million tons per year, and the production capacity of chlor-alkali and nearly twenty chlorine...
2023 Shanghai International Pharmaceutical Raw Materials, Intermediates, Fine Chemical Technology and Equipment Exhibition will be held in April 2023 Shanghai pharmaceutical raw materials show fine chemical intermediates exhibition | | Shanghai...
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