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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.
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 ...
Oil additives are chemical compounds that improve the lubricant performance of base oil (or oil "base stock"). The manufacturer of many oils can use the same base stock for each formulation and can choose different additives for each use. Additives comprise up to 5% by weight of some oils. [1]
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 ...
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
Argan oil is a plant oil produced from the kernels of the argan tree (Argania spinosa L.), which is indigenous to Morocco and southwestern Algeria. [ 1 ] [ 2 ] In Morocco, argan oil is used to dip bread at breakfast or to drizzle on couscous or pasta.