854833-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854833-61-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,8,3 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 854833-61:
(8*8)+(7*5)+(6*4)+(5*8)+(4*3)+(3*3)+(2*6)+(1*1)=197
197 % 10 = 7
So 854833-61-7 is a valid CAS Registry Number.