80817-67-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80817-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,1 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80817-67:
(7*8)+(6*0)+(5*8)+(4*1)+(3*7)+(2*6)+(1*7)=140
140 % 10 = 0
So 80817-67-0 is a valid CAS Registry Number.