668460-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 668460-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,8,4,6 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 668460-71:
(8*6)+(7*6)+(6*8)+(5*4)+(4*6)+(3*0)+(2*7)+(1*1)=197
197 % 10 = 7
So 668460-71-7 is a valid CAS Registry Number.