68917-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68917-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,1 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68917-07:
(7*6)+(6*8)+(5*9)+(4*1)+(3*7)+(2*0)+(1*7)=167
167 % 10 = 7
So 68917-07-7 is a valid CAS Registry Number.