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1262302-57-7

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1262302-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262302-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,3,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1262302-57:
(9*1)+(8*2)+(7*6)+(6*2)+(5*3)+(4*0)+(3*2)+(2*5)+(1*7)=117
117 % 10 = 7
So 1262302-57-7 is a valid CAS Registry Number.

1262302-57-7Downstream Products

1262302-57-7Relevant articles and documents

Bronsted acid catalyzed cascade reactions of 2-[(2-Aminophenyl) ethynyl]phenylamine derivatives with aldehydes: A new approach to the synthesis of 2,2′-disubstituted 1 H,1′ H -3,3′-biindoles

Arcadi, Antonio,Chiarini, Marco,D'Anniballe, Gaetano,Marinelli, Fabio,Pietropaolo, Emanuela

supporting information, p. 1736 - 1739 (2014/04/17)

An unusual Bronsted acid catalyzed cascade reaction of 2-[(2-aminophenyl)ethynyl]phenylamine derivatives with aryl(heteroaryl)aldehydes to afford an efficient alternative entry into 2,2′-disubstituted-1H, 1′H-3,3′-biindoles under metal-free conditions is reported.

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