53889-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53889-25-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,8 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53889-25:
(7*5)+(6*3)+(5*8)+(4*8)+(3*9)+(2*2)+(1*5)=161
161 % 10 = 1
So 53889-25-1 is a valid CAS Registry Number.