85739-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85739-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,7,3 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85739-21:
(7*8)+(6*5)+(5*7)+(4*3)+(3*9)+(2*2)+(1*1)=165
165 % 10 = 5
So 85739-21-5 is a valid CAS Registry Number.
85739-21-5Relevant 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
