68916-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68916-70-1 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 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 68916-70:
(7*6)+(6*8)+(5*9)+(4*1)+(3*6)+(2*7)+(1*0)=171
171 % 10 = 1
So 68916-70-1 is a valid CAS Registry Number.