64989-82-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64989-82-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,8 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 64989-82:
(7*6)+(6*4)+(5*9)+(4*8)+(3*9)+(2*8)+(1*2)=188
188 % 10 = 8
So 64989-82-8 is a valid CAS Registry Number.