198208-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198208-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,2,0 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 198208-50:
(8*1)+(7*9)+(6*8)+(5*2)+(4*0)+(3*8)+(2*5)+(1*0)=163
163 % 10 = 3
So 198208-50-3 is a valid CAS Registry Number.