50839-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50839-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,8,3 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 50839-53:
(7*5)+(6*0)+(5*8)+(4*3)+(3*9)+(2*5)+(1*3)=127
127 % 10 = 7
So 50839-53-7 is a valid CAS Registry Number.
50839-53-7Relevant articles and documents
Preparation of 1λ4,2,4-Benzothiadiazines from N-Arylbenzamidines
Gilchrist, Thomas L.,Rees, Charles W.,Vaughan, David
, p. 49 - 54 (2007/10/02)
N-Arylbenzamidines react with sulphenyl chlorides and N-chlorosuccinimide to give the cyclic sulphimides, 1λ4,2,4-benzothiadiazines (7), as the major products.Two examples of the analogous 1λ4,2,4-benzoselenadiazine system (8) have b
