890604-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 890604-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,6,0 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 890604-84:
(8*8)+(7*9)+(6*0)+(5*6)+(4*0)+(3*4)+(2*8)+(1*4)=189
189 % 10 = 9
So 890604-84-9 is a valid CAS Registry Number.