20188-03-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20188-03-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,8 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20188-03:
(7*2)+(6*0)+(5*1)+(4*8)+(3*8)+(2*0)+(1*3)=78
78 % 10 = 8
So 20188-03-8 is a valid CAS Registry Number.