189884-58-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189884-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,8 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 189884-58:
(8*1)+(7*8)+(6*9)+(5*8)+(4*8)+(3*4)+(2*5)+(1*8)=220
220 % 10 = 0
So 189884-58-0 is a valid CAS Registry Number.