7013-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7013-80-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,1 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7013-80:
(6*7)+(5*0)+(4*1)+(3*3)+(2*8)+(1*0)=71
71 % 10 = 1
So 7013-80-1 is a valid CAS Registry Number.