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1,2,4,5-Tetrachloro-3-nitrobenzene (tecnazene) is an organic compound with the formula HC 6 Cl 4 NO 2. It is a colorless solid. A related isomer is 1,2,3,4-tetrachloro-5-nitrobenzene. It is used as a standard for quantitative analysis by nuclear magnetic resonance. [4] [5]
1,2,4,5-Tetrazines are very well known and myriad 3,6-disubstituted 1,2,4,5-tetrazines are known. [2] These materials are of use in the area of energetic chemistry. The compound 3,6-di-2-pyridyl-1,2,4,5-tetrazine' [ 3 ] has two pyridine substituents and is of importance as a reagent in Diels-Alder reactions .
[1] [2] [3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are composed of at least one cell that processes hereditary information encoded in genes , which can be transmitted to future generations.
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Bioinorganic chemistry is a field that examines the role of metals in biology.Bioinorganic chemistry includes the study of both natural phenomena such as the behavior of metalloproteins as well as artificially introduced metals, including those that are non-essential, in medicine and toxicology.
2,4,5-Trichlorophenol (TCP) is an organochloride with the molecular formula C 6 H 3 Cl 3 O.It has been used as a fungicide and herbicide. [2] Precursor chemical used in the production of 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) and hexachlorophene involves the intermediate production of 2,4,5-trichlorophenol (TCP) and the formation of 2,3,7,8-Tetrachlorodibenzodioxin (TCDD, commonly ...
A book with chapters (not to be confused with the chapter book) may have multiple chapters that respectively comprise discrete topics or themes. In each case, chapters can be numbered, titled, or both. An example of a chapter that has become well known is "Down the Rabbit-Hole", which is the first chapter from Alice's Adventures in Wonderland.
After a bombshell lawsuit against Jay-Z, he stepped out with wife Beyoncé to support their daughter Blue Ivy's role in Disney’s "Lion King" prequel.