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80754-13-8

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80754-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80754-13-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,5 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80754-13:
(7*8)+(6*0)+(5*7)+(4*5)+(3*4)+(2*1)+(1*3)=128
128 % 10 = 8
So 80754-13-8 is a valid CAS Registry Number.

80754-13-8Downstream Products

80754-13-8Relevant articles and documents

Electron Delocalisation and Stabilisation in Heptatrienyl and Polyenyl Radicals

Green, Iain G.,Walton, John C.

, p. 1253 - 1258 (2007/10/02)

Heptatrienyl radicals were generated by hydrogen abstraction from hepta-1,3,6-triene with t-butoxyl radicals and observed by e.s.r. spectroscopy.The hyperfine splittings of heptatrienyl and other polyenyl radicals indicate that spin density is not uniformly distributed along the chain but more concentrated around the central region of the structure.Semi-empirical SCF MO calculations agree with this result and also show that most radical character is associated with the central region.The stabilisation energies (SE) of polyenyl radicals increase with chain lenght and are related to the hydrogen hyperfine splittings (G) of SEESR/kJ mol-1 = 375 +/- 4 - (272+/-)log101)/G> (i) the terminal methylene groups

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