68682-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68682-75-7 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, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 68682-75:
(7*6)+(6*8)+(5*6)+(4*8)+(3*2)+(2*7)+(1*5)=177
177 % 10 = 7
So 68682-75-7 is a valid CAS Registry Number.