Organic Chemicals. Chemicals, Organic . Organic Substances . A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form. . 1.00
Chemistry, Inorganic. Chemistries, Inorganic . Inorganic Chemistries . Inorganic Chemistry . A field of chemistry which pertains to chemical compounds or ions that do not contain the element carbon (with the exception of carbon dioxide and compounds containing a carbonate radical, e.g., calcium carbonate). . 0.42
Carbon. Carbon-12 . Vitreous Carbon . Carbon 12 . Carbon, Vitreous . A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel. . 0.41
Fatty Acids, Unsaturated. Polyunsaturated Fatty Acids . Acids, Polyunsaturated Fatty . Acids, Unsaturated Fatty . Unsaturated Fatty Acids . Fatty Acids, Polyunsaturated . FATTY ACIDS in which the carbon chain contains one or more double or triple carbon-carbon bonds. . 0.39
Bicarbonates. Bicarbonate Ion . Carbonic Acid Ions . Hydrogen Carbonate . Carbonate, Hydrogen . Carbonates, Hydrogen . Ions, Bicarbonate . Ions, Carbonic Acid . Bicarbonate Ions . Hydrogen Carbonates . Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity. . 0.38
Estrenes. 19 Norandrostenes . 19-Norandrostenes . Unsaturated derivatives of the ESTRANES with methyl groups at carbon-13, with no carbon at carbon-10, and with no more than one carbon at carbon-17. They must contain one or more double bonds. . 0.37
Organothiophosphates. Organodithiophosphates . Thiophosphoric Acid Esters . Acid Esters, Thiophosphoric . Esters, Thiophosphoric Acid . Thiophosphoric Acid Esters . Carbon-containing thiophosphoric acid derivatives. Included under this heading are compounds that have carbon bound to either SULFUR atom, or the OXYGEN atom of the SPO3 core structure. . 0.37
