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1294519-67-7

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1294519-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1294519-67-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,4,5,1 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1294519-67:
(9*1)+(8*2)+(7*9)+(6*4)+(5*5)+(4*1)+(3*9)+(2*6)+(1*7)=187
187 % 10 = 7
So 1294519-67-7 is a valid CAS Registry Number.

1294519-67-7Downstream Products

1294519-67-7Relevant articles and documents

A general route to unsubstituted N-aryl and heteroarylaminobenzenesulfonamides

Lach, Franck,Pasquet, Marie-Jeanne,Chabanne, Mylène

, p. 1882 - 1887 (2011/04/25)

Starting from suitably protected 3- and 4-aminobenzenesulfonamides, a practical two-step strategy for the synthesis of unsubstituted N-aryl and heteroarylaminobenzenesulfonamides was devised. Strong bases are tolerated during the N-arylation step. Overall moderate to excellent yields are reported.

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