78013-93-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78013-93-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,1 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78013-93:
(7*7)+(6*8)+(5*0)+(4*1)+(3*3)+(2*9)+(1*3)=131
131 % 10 = 1
So 78013-93-1 is a valid CAS Registry Number.