13016-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13016-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,1 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13016-99:
(7*1)+(6*3)+(5*0)+(4*1)+(3*6)+(2*9)+(1*9)=74
74 % 10 = 4
So 13016-99-4 is a valid CAS Registry Number.