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1294519-72-4

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1294519-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1294519-72-4 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, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1294519-72:
(9*1)+(8*2)+(7*9)+(6*4)+(5*5)+(4*1)+(3*9)+(2*7)+(1*2)=184
184 % 10 = 4
So 1294519-72-4 is a valid CAS Registry Number.

1294519-72-4Downstream Products

1294519-72-4Relevant academic research and scientific papers

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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