685568-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685568-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,6 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 685568-81:
(8*6)+(7*8)+(6*5)+(5*5)+(4*6)+(3*8)+(2*8)+(1*1)=224
224 % 10 = 4
So 685568-81-4 is a valid CAS Registry Number.
685568-81-4Relevant articles and documents
Nitration and Bromination of N-(dimethylphenyl)methanesulfonamides
Al-Khafaji, Sarah,Cardinale, Nina,Hanson, James R.
, p. 701 - 714 (2007/10/03)
The orientation of the products of nitrosation: nitration and bromination of the methanesulfonamides of the six isomeric dimethylanilines have been established by 1H NMR nuclear Overhauser experiments.