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2,3-pentadiene, H 3 C−CH=C=CH−CH 3, with two enantiomers (R and S). [ 5 ] Well known derivatives containing pentadiene groups include hexadienes , cyclopentadiene , and especially three fatty acids linoleic acid , α- linolenic acid , and arachidonic acid as well as their triglycerides (fats).
A mixture of equal amounts of each enantiomer, a racemic mixture or a racemate, does not rotate light. [7] [8] [9] Stereoisomers include both enantiomers and diastereomers. Diastereomers, like enantiomers, share the same molecular formula and are also nonsuperposable onto each other; however, they are not mirror images of each other. [10]
The boiling point of 89.7 °C is 0.3 °C higher than the value of 89.4 °C predicted by Wiener's formula, based on the structure of the molecule and the boiling point of n-heptane. [2] [3] The speed of sound at 3 MHz is 1149.5 m/s at 20 °C and 889.5 m/s at 80 °C. [7] [8] [9]
Constitution formula for isomers of C 5 H 8 with CAS numbers. The molecular formula C 5 H 8 may refer to any of the following hydrocarbons: . Pentynes:; 1-Pentyne; 2-Pentyne; 3-Methyl-1-butyne or isopentyne, CAS 598-23-2
The transatlantic alliance reached a milestone in 2024 when all non-U.S. NATO allies spent the 2% target on average for the first time. Trump says NATO countries are 'taking advantage' and should ...
If you keep a planner, it's time to buy one for 2025. We've tracked down the year's best planners from Amazon, Rifle Paper Co., Plum Paper, and more.
Acetylpropionyl, also known as acetyl propionyl or 2,3-pentanedione, [1] is an organic compound, specifically a diketone. [2] Uses for acetylpropionyl include as a: Solvent for cellulose acetate, paints, inks, and lacquers; Starting material for dyes, pesticides, and drugs
This strong market position generates substantial cash flows that support shareholder returns. Turning to the specifics, the pharmaceutical giant offers investors a 4.3% dividend yield backed by a ...