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5 days ago · Infobox references. Formaldehyde ( / fɔːrˈmældɪhaɪd / ⓘ for-MAL-di-hide, US also / fər -/ ⓘ fər-) ( systematic name methanal) is an organic compound with the chemical formula CH2O and structure H−CHO, more precisely H2C=O. The compound is a pungent, colourless gas that polymerises spontaneously into paraformaldehyde.
1 day ago · Pyridine is a basic heterocyclic organic compound with the chemical formula C 5 H 5 N. It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom (=N−). It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell.
1 day ago · Paracetamol poisoning is the foremost cause of acute liver failure in the Western world, and accounts for most drug overdoses in the United States, the United Kingdom, Australia, and New Zealand. [42] [43] [44] Paracetamol was first made in 1878 by Harmon Northrop Morse or possibly 1852 by Charles Frédéric Gerhardt.
May 14, 2024 · Ester, any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids. Esters derived from carboxylic acids are the most common. Learn about the different types and reactions of esters and more in this article.
5 days ago · Choline is a quaternary ammonium cation. The cholines are a family of water-soluble quaternary ammonium compounds. [6] [7] Choline is the parent compound of the cholines class, consisting of ethanolamine residue having three methyl groups attached to the same nitrogen atom. [1] Choline hydroxide is known as choline base.
1 day ago · It is related to the Feast of the Exaltation of the Holy Cross, which focuses on the benefits, graces, and merits of the Cross, rather than Jesus Christ's death. Good Friday is a Christian holy day observing the crucifixion of Jesus and his death at Calvary. It is observed during Holy Week as part of the Paschal Triduum.
May 23, 2024 · Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. [1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. [2] Only these 22 appear in the genetic code of life. [3] [4]
