78712-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78712-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,1 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78712-69:
(7*7)+(6*8)+(5*7)+(4*1)+(3*2)+(2*6)+(1*9)=163
163 % 10 = 3
So 78712-69-3 is a valid CAS Registry Number.