68682-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68682-17-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,6,8 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68682-17:
(7*6)+(6*8)+(5*6)+(4*8)+(3*2)+(2*1)+(1*7)=167
167 % 10 = 7
So 68682-17-7 is a valid CAS Registry Number.