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Benzene, 1-ethyl-4-(1-methylpropyl)-, also known as 1-ethyl-4-(1-methylpropyl)benzene or 1-ethyl-4-tert-pentylbenzene, is an organic compound with the molecular formula C??H??. It is a derivative of benzene, featuring an ethyl group at the 1st carbon and a 1-methylpropyl (also known as tert-pentyl) group at the 4th carbon. This aromatic hydrocarbon is a colorless liquid with a distinctive aromatic odor. It is primarily used as a solvent and as an intermediate in the synthesis of various chemicals, including pharmaceuticals and agrochemicals. Due to its chemical structure, it is also a component in the production of certain polymers and resins. However, it is important to note that, like many benzene derivatives, it may have potential health and environmental concerns, and its use is subject to safety regulations.

6565-57-7

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6565-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6565-57-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,6 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6565-57:
(6*6)+(5*5)+(4*6)+(3*5)+(2*5)+(1*7)=117
117 % 10 = 7
So 6565-57-7 is a valid CAS Registry Number.

6565-57-7Downstream Products

6565-57-7Relevant academic research and scientific papers

Perfluorooctanesulfonic acid catalyzed Friedel-Crafts alkylation with alkyl halides

Fu,He,Lei,Luo

, p. 1273 - 1279 (2007/10/02)

A new procedure to prepare superacid perfluorooctanesulfonic acid (POSA) is reported. POSA catalyzed Friedel-Crafts alkylation of aromatic compounds with alkyl halides in liquid-phase reactions. Alkylation gave higher total yields than the corresponding reactions with Nafion-H, without the need of any complex decomposition or work-up. The reactions do not need to be carried out under absolutely anhydrous condition. The catalyst POSA can be easily separated from the reaction mixture and reused or recovered. The reactivity of the alkylation reagents and the mechanism of the reaction are discussed.

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