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122969-11-3

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122969-11-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122969-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,9,6 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 122969-11:
(8*1)+(7*2)+(6*2)+(5*9)+(4*6)+(3*9)+(2*1)+(1*1)=133
133 % 10 = 3
So 122969-11-3 is a valid CAS Registry Number.

122969-11-3Relevant articles and documents

Stereochemistry of the Michael Addition of N,N-Disubstituted Amide and Thioamide Enolates to α,β-Unsaturated Ketones

Oare, David A.,Henderson, Mark A.,Sanner, Mark A.,Heathcock, Clayton H.

, p. 132 - 157 (2007/10/02)

A systematic study of the regio- and diastereoselectivity of the kinetic Michael addition of amide and thioamide enolates to a series of α,β-unsaturated ketones has been carried out.Factors that influence the diastereo- and regiochemical outcome of the reaction include the substitution pattern of the enone and enolate, the enolate counterion, and the solvent.Numerous examples of high selectivity have been discovered.In a number of examples, either the syn or the anti addition products can be obtained by varying the nature of the solvent, donor atom, and/or counterion.These results have correlated in terms of a coherent transition-state model.

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