89984-30-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89984-30-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,8 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89984-30:
(7*8)+(6*9)+(5*9)+(4*8)+(3*4)+(2*3)+(1*0)=205
205 % 10 = 5
So 89984-30-5 is a valid CAS Registry Number.