89813-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89813-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89813-57:
(7*8)+(6*9)+(5*8)+(4*1)+(3*3)+(2*5)+(1*7)=180
180 % 10 = 0
So 89813-57-0 is a valid CAS Registry Number.