18116-02-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18116-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,1 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18116-02:
(7*1)+(6*8)+(5*1)+(4*1)+(3*6)+(2*0)+(1*2)=84
84 % 10 = 4
So 18116-02-4 is a valid CAS Registry Number.