82228-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82228-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,2,2 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82228-57:
(7*8)+(6*2)+(5*2)+(4*2)+(3*8)+(2*5)+(1*7)=127
127 % 10 = 7
So 82228-57-7 is a valid CAS Registry Number.