Cas 519060-54-9,C33H34N2O5

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Check Digit Verification of cas no

The CAS Registry Mumber 519060-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,9,0,6 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 519060-54:
(8*5)+(7*1)+(6*9)+(5*0)+(4*6)+(3*0)+(2*5)+(1*4)=139
139 % 10 = 9
So 519060-54-9 is a valid CAS Registry Number.

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519060-54-9Relevant articles and documents

The synthesis of spirooxindole pyrrolidines via an asymmetric azomethine ylide [1,3]-dipolar cycloaddition reaction

Sebahar, Paul R.,Williams, Robert M.

, p. 563 - 575 (2007/10/03)

The asymmetric [1,3] dipolar cycloaddition reactions of azomethine ylides derived from 5,6-diphenylmorpholin-2-one with various aldehydes and ethyl oxindolylideneacetate are described. Addition of an aldehyde to the morpholin-2-one, under essentially neut

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519060-54-9