716-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 716-67-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,1 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 716-67:
(5*7)+(4*1)+(3*6)+(2*6)+(1*7)=76
76 % 10 = 6
So 716-67-6 is a valid CAS Registry Number.