712-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 712-17-4 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 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 712-17:
(5*7)+(4*1)+(3*2)+(2*1)+(1*7)=54
54 % 10 = 4
So 712-17-4 is a valid CAS Registry Number.