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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 ...
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.
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)
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)
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 ...
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Typically, the term is used to describe the larger and characteristic parts of organic molecules, and it should not be used to describe or name smaller functional groups [1] [2] of atoms that chemically react in similar ways in most molecules that contain them. [3] Occasionally, a moiety may contain smaller moieties and functional groups.
2,6-Xylidine is an organic compound with the formula C 6 H 3 (CH 3) 2 NH 2. It is one of several isomeric xylidines. It is a colorless viscous liquid. Commercially significant derivatives are the anesthetics lidocaine, bupivacaine, mepivacaine, and etidocaine. [1]