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(Z)-2-Brom-4-methyl-2-penten, also known as (Z)-4-bromo-2-methyl-2-pentene, is an organic compound with the molecular formula C6H11Br. It is a colorless liquid with a pungent odor and is characterized by its geometric isomerism, where the bromine atom and the methyl group are located on the same side of the double bond, giving it the Z-configuration. (Z)-2-Brom-4-methyl-2-penten is used as an intermediate in the synthesis of various organic compounds, particularly in the pharmaceutical and agrochemical industries. It is also employed in the preparation of fragrances and flavorings. Due to its reactive nature, it is important to handle this chemical with care, as it can be harmful if inhaled or absorbed through the skin.

84189-15-1

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84189-15-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84189-15-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,8 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84189-15:
(7*8)+(6*4)+(5*1)+(4*8)+(3*9)+(2*1)+(1*5)=151
151 % 10 = 1
So 84189-15-1 is a valid CAS Registry Number.

84189-15-1Downstream Products

84189-15-1Relevant academic research and scientific papers

Crossover Products from Joint Reactions of Alkenes, Alkynes, and Hydrogen Halides

Griesbaum, Karl,Mach, Helmut

, p. 3818 - 3829 (2007/10/02)

Joint reactions of alkenes, alkynes, and hydrogen bromide or hydrogen chloride were examined.Ethylene was the only olefin which afforded a crossed cycloadduct, viz. 1-bromo-1-methylcyclobutane (3), in its reaction with propyne and HBr.Reactions of propene with propyne/HBr, with 1-butyne/HCl, and with 2-butyne/HCl as well as reactions of 1-butene with propyne/HBr gave only cyclic and/or acyclic crossover products, which are derived from alkylation of the alkyne by the alkene.Dihalotrialkylcyclobutanes were obtained as cyclic crossover products, which had carbon skeletons composed of two molecules of the acetylene and of one molecule of the olefin used.

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