8017-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 8017-14-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,1 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 8017-14:
(6*8)+(5*0)+(4*1)+(3*7)+(2*1)+(1*4)=79
79 % 10 = 9
So 8017-14-9 is a valid CAS Registry Number.