including: Polycyclic musks Polycyclic aromatic hydrocarbon Chlorinated polycyclic aromatic hydrocarbon Contorted polycyclic aromatic hydrocarbon Polycyclic group...

A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. Most are produced by the incomplete...

a polycyclic group is a solvable group that satisfies the maximal condition on subgroups (that is, every subgroup is finitely generated). Polycyclic groups...

In the field of organic chemistry, a polycyclic compound is an organic compound featuring several closed rings of atoms, primarily carbon. These ring substructures...

and five-membered pyridine, both of which have a substituted nitrogen Polycyclic aromatic hydrocarbons, also known as polynuclear aromatic compounds (PAHs)...

called sperm storage thereby increasing the duration of their fertility. Polycyclic animals reproduce intermittently throughout their lives. Semelparous organisms...

detergents led to its common use, which spurred further development of other polycyclic musks including Galaxolide. 3a,6,6,9a-Tetramethyldodecahydronaphtho-[2...

anions are encountered in organic chemistry as reduced derivatives of polycyclic aromatic compounds, e.g. sodium naphthenide. An example of a non-carbon...

chemical compounds to the mesh structure commonly seen in real chicken wire. Polycyclic aromatic hydrocarbons or graphenes—including fullerenes, carbon nanotubes...

called a polycycle or polycyclic ring system. A simple ring contains the same number of sigma bonds as atoms, and a polycyclic ring system contains more...

Naphthalene is an organic compound with formula C 10H 8. It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic...

more atoms. The term polycyclic is used when more than one ring appears in a single molecule. Naphthalene is formally a polycyclic compound, but is more...

Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic...

described by some as a polycyclic musk, it is neither primarily a musk odour ingredient, nor does it belong to the polycyclic musk group as defined by...

They can be divided into three major classes: aromatic nitro musks, polycyclic musk compounds, and macrocyclic musk compounds. The first two groups have...

[better source needed] Most of the chemical compounds are polycyclic aromatic hydrocarbon: polycyclic aromatic hydrocarbons (4-rings: chrysene, fluoranthene...

polycyclic aromatic hydrocarbons as precursors to the RNA world. The PAH world hypothesis is a speculative hypothesis that proposes that polycyclic aromatic...

Cassini–Huygens space probe. Hydrocarbons are also abundant in nebulae forming polycyclic aromatic hydrocarbon compounds. Burning hydrocarbons as fuel, which produces...

involves smoking them and for this reason they contain a high number of polycyclic aromatic hydrocarbons (PAHs), such as benzo(a)pyrene, which are carcinogenic...

connected to airborne fine particles are linked to cardiopulmonary disease. Polycyclic Aromatic Hydrocarbons (PAHs): a group of aromatic compounds formed from...

Science Organic compound Outer space PAH world hypothesis Pseudo-panspermia Polycyclic aromatic hydrocarbon (PAH) RNA world hypothesis Spectroscopy Tholin...

Territory. (The Ngan'gi name for the plant is yerrwuwu.) Asparagamine A, a polycyclic alkaloid was isolated from the dried roots and subsequently synthesized...

wood, and petroleum coke classified as cokes or char. It can include polycyclic aromatic hydrocarbons and heavy metals like mercury. Soot causes various...

"indirect-acting" carcinogens. Examples of activation-dependent carcinogens include polycyclic aromatic hydrocarbons (PAHs), heterocyclic aromatic amines, and mycotoxins...

Science Organic compound Outer space PAH world hypothesis Pseudo-panspermia Polycyclic aromatic hydrocarbon (PAH) RNA world hypothesis Spectroscopy Tholin...

Science Organic compound Outer space PAH world hypothesis Pseudo-panspermia Polycyclic aromatic hydrocarbon (PAH) RNA world hypothesis Spectroscopy Tholin...

Science Organic compound Outer space PAH world hypothesis Pseudo-panspermia Polycyclic aromatic hydrocarbon (PAH) RNA world hypothesis Spectroscopy Tholin...

Science Organic compound Outer space PAH world hypothesis Pseudo-panspermia Polycyclic aromatic hydrocarbon (PAH) RNA world hypothesis Spectroscopy Tholin...

Science Organic compound Outer space PAH world hypothesis Pseudo-panspermia Polycyclic aromatic hydrocarbon (PAH) RNA world hypothesis Spectroscopy Tholin...

and coronene contains 24 conjugated electrons (12 bonds). Both of these polycyclic molecules are aromatic, even though they fail the 4n + 2 rule. Indeed...