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1261594-23-3

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1261594-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1261594-23-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,5,9 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1261594-23:
(9*1)+(8*2)+(7*6)+(6*1)+(5*5)+(4*9)+(3*4)+(2*2)+(1*3)=153
153 % 10 = 3
So 1261594-23-3 is a valid CAS Registry Number.

1261594-23-3Downstream Products

1261594-23-3Relevant articles and documents

1,3-dipolar cycloaddition-decarboxylation reactions of an azomethine ylide with isatoic anhydrides: Formation of novel benzodiazepinones

D'Souza, Asha M.,Spiccia, Nadia,Basutto, Jose,Jokisz, Pawel,Wong, Leon S.-M.,Meyer, Adam G.,Holmes, Andrew B.,White, Jonathan M.,Ryan, John H.

supporting information; experimental part, p. 486 - 489 (2011/03/23)

A nonstabilized azomethine ylide reacts with a wide range of substituted isatoic anhydrides to afford novel 1,3-benzodiazepin-5-one derivatives, which are generally isolated in high yield. The transformations involve 1,3-dipolar cycloaddition reactions of the ylide with the anhydrides to give transient, and in a representative case spectroscopically observable, oxazolidine intermediates that undergo ring-opening-decarboxylation-ringclosing reaction cascades to yield the 1,3-benzodiazepin-5-one products.

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