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F 2 S 2: thiothionyl fluoride: 101947-30-2 F 2 S 2 W: tungsten difluoride disulfide: 41831-81-6 F 2 Sc: scandium difluoride: 14017-34-6 F 2 Se: selenium difluoride: 70421-43-1 F 2 Si: difluorosilylene: 13966-66-0 F 2 Sn: tin difluoride: 7783-47-3 F 2 Sr: strontium fluoride: 7783-48-4 F 2 Th: thorium difluoride: 28844-11-3 F 2 Ti: titanium ...
The main structure of chemical names according to IUPAC nomenclature. The International Union of Pure and Applied Chemistry (IUPAC) has published four sets of rules to standardize chemical nomenclature. There are two main areas: IUPAC nomenclature of inorganic chemistry (Red Book) IUPAC nomenclature of organic chemistry (Blue Book)
In organic chemistry, an ethynyl group is a functional group with the formula −C≡CH. It is the acetylene molecule with one fewer hydrogen atom.. Ethynyl group (HC≡C–), also designated as acetylenic group (from acetylene), and referred to in IUPAC chemical nomenclature as -yne suffix.
junior synonym, (zoology): any later name; homotypic synonym (botany) heterotypic synonym (botany): (or "taxonomic synonym") a synonym that comes into being when a taxon is reduced in status ("reduced to synonymy") and becomes part of a different taxon; the zoological equivalent is "subjective synonym" objective synonym (zoology)
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The systematic IUPAC name is not always the preferred IUPAC name, for example, lactic acid is a common, and also the preferred, name for what systematic rules call 2-hydroxypropanoic acid. This list is ordered by the number of carbon atoms in a carboxylic acid.
The binomial name often reflects limited knowledge or hearsay about a species at the time it was named. For instance Pan troglodytes, the chimpanzee, and Troglodytes troglodytes, the wren, are not necessarily cave-dwellers. Sometimes a genus name or specific descriptor is simply the Latin or Greek name for the animal (e.g. Canis is Latin for ...
Two Indian chemical companies have been indicted for allegedly importing ingredients for the highly addictive opioid fentanyl into the United States and Mexico, the U.S. Department of Justice said ...