Pyridine hydrobromide, also known as Pyridine pyrimidine Pyridine hydrobromide.It is commonly used as the intermediate of cefothiazine, cefpiprin, ceftazidine, etc. It is also sometimes used as the additive for paper making.It is a kind of medicine intermediate which is widely used. Pyridine hydrobromide is a strong acid system, which requires high acid resistance of the

Di-tert-butyl dicarbonate is also known as BOC anhydride, which is abbreviated as diboc in English. It is used to introduce amino acid protection genes in organic synthesis, especially in amino acid protection, widely used in medicine, protein and peptide synthesis, biochemical food, cosmetics and other products. As an intermediate synthetic protective agent, its quality directly

In modern society, protocatechuic acid can play a huge role. So, what do you know about it? How to measure? To this end, Xiaobian specially collected some information. 1) preparation of solution Prepare 2mol / L sulfuric acid solution, 0.5mol/l sodium bromate solution, 2.0mol/l malic acid solution and 1.84 × 10-2mol / L [cul] (ClO4)

Hydroxytyrosol is a natural polyphenolic compound, which mainly exists in olive fruits and branches in the form of esters. Hydroxytyrosol is widely used in health products and food additives, but its extremely high pharmacological effect has been less used. In recent years, scientists began to attach importance to the medicinal value of hydroxy tyrosol, and

Hydroxytyrosol, also known as 3,4-dihydroxyphenyl ethanol, CAS No. 10597-60-1, mainly exists in olive leaves. Olive oil and waste water from olive oil processing also have certain content. The use diversity of hydroxy tyrosol has been widely recognized in recent years. Firstly, it is applied to health care products of beauty products, which is helpful for

Hydroxytyrosol，also called 3,4-dihydroxyphenyl ethanol, molecular formula C8H10O3, is a natural polyphenol compound with strong antioxidant activity, mainly in the form of esters in olive fruits and leaves. Hydroxytyrosol can also be derived from olive oil and wastewater from olive oil processing, and has a variety of biological and pharmacological activities. Hydroxytyrosol has a safe and

Recently, the Central Committee of the Communist Party of China and the State Council issued the Outline for the Construction of a Transport Power, and issued a circular, requiring all departments in various regions to implement it conscientiously in accordance with the actual situation. It mentions: 1. Promote new energy, clean energy, intellectualization, digitization, lightweight,

Protocatechuic acid (PCA), also named 3,4-dihydroxybenzoic acid. It exists in the leaves of Euphorbiaceae ferns, llex and other plants, and it has antimicrobial effect. Protocatechuic acid has a density of 1.54g/cm3 and a melting point of about 200 C. It is soluble in hot water, ethanol, ether, acetone and ethyl acetate, slightly soluble in cold

Protocatechuic acid (PCA), also named 3,4-dihydroxybenzoic acid. It exists in the leaves of Euphorbiaceae ferns, llex and other plants, and it has antimicrobial effect. Protocatechuic acid has a density of 1.54g/cm3 and a melting point of about 200 C. It is soluble in hot water, ethanol, ether, acetone and ethyl acetate, slightly soluble in cold

Protocatechuic acid exists in many vegetables and fruits in nature, and is an effective active ingredient in many traditional Chinese medicines (such as Salvia miltiorrhiza, Hibiscus, etc.). Protocatechuic acid is a water-soluble phenolic acid component and active substance of many traditional Chinese medicines. It not only has pharmacological activities such as anti-platelet agglutination, reducing myocardial