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77228-18-3

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77228-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77228-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,2 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77228-18:
(7*7)+(6*7)+(5*2)+(4*2)+(3*8)+(2*1)+(1*8)=143
143 % 10 = 3
So 77228-18-3 is a valid CAS Registry Number.

77228-18-3Relevant articles and documents

Nitroxide Chemistry. Part 15. Reactions between Bistrifluoromethyl Nitroxide and Benzyl Alcohol, Azide, Chloride, and Cyanide

Banks, Ronald E.,Birchall, J. Michael,Haszeldine, Robert N.,Hughes, Raymond A.,Nona, Shmaiel N.,Stephens, Christopher W.

, p. 455 - 456 (2007/10/02)

Bistrifluoromethyl nitroxide readily attacks benzyl cyanide and benzyl chloride at room temperature to give the α-bistrifluoromethylamino-oxy-derivatives PhCHRCN and PhCHRCl respectively; treatment of the former product with the nitroxide yields benzoyl cyanide and the di-substituted derivative PhCR2CN.Abstraction of a benzylic hydrogen atom by the nitroxide from benzyl alcohol and benzyl azide leads, respectively, to the formation of benzaldehyde (and hence PhCOR) and benzonitrile.

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