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Hydroquinone, also known as benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, a derivative of benzene, having the chemical formula C 6 H 4 (OH) 2. It has two hydroxyl groups bonded to a benzene ring in a para position. It is a white granular solid. Substituted derivatives of this parent compound are also ...
There are three structural isomers: 1,2-dihydroxybenzene (the ortho isomer) is commonly known as catechol, 1,3-dihydroxybenzene (the meta isomer) is commonly known as resorcinol, and 1,4-dihydroxybenzene (the para isomer) is commonly known as hydroquinone.
Lawsone is a 1,4-naphthoquinone derivative, an analog of hydroxyquinone containing one additional ring. Lawsone isolation from Lawsonia inermis can be difficult due to its easily biodegradable nature. Isolation involves four steps: extraction with an extraction solution, usually NaOH; column filtration using a macroporous adsorption resin
1728 18104 Ensembl ENSG00000181019 ENSMUSG00000003849 UniProt P15559 Q64669 RefSeq (mRNA) NM_001286137 NM_000903 NM_001025433 NM_001025434 NM_008706 RefSeq (protein) NP_000894 NP_001020604 NP_001020605 NP_001273066 NP_032732 Location (UCSC) Chr 16: 69.71 – 69.73 Mb Chr 8: 108.11 – 108.13 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse NAD(P)H dehydrogenase [quinone] 1 is an ...
Amazon Prime Air is an experimental drone delivery service that delivers packages via drones to Amazon Prime subscribers in select cities. Amazon directly employs people to work at its warehouses, bulk distribution centers, staffed "Amazon Hub Locker+" locations, and delivery stations where drivers pick up packages.
Amazon Cash (in the United States and Canada) and Amazon Top Up (in the United Kingdom) are services allowing Amazon shoppers to add money to their Amazon account at a physical retail store. [136] The service, launched in April 2017, allows users to add between $5 and $500 (£5 and £250) to their accounts by paying with cash at a participating ...
The People's Republic of China defines a VOC as those compounds that have "originated from automobiles, industrial production and civilian use, burning of all types of fuels, storage and transportation of oils, fitment finish, coating for furniture and machines, cooking oil fume and fine particles (PM 2.5)", and similar sources. [12]
Left: The 1,4-benzodiazepine ring system. Right: 5-phenyl-1H-benzo[e] [1,4]diazepin-2(3H)-one forms the skeleton of many of the most common benzodiazepine pharmaceuticals, such as diazepam (7-chloro-1-methyl substituted). A pharmacophore model of the benzodiazepine binding site on the GABA A receptor. [196]