25228-39-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25228-39-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,2 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 25228-39:
(7*2)+(6*5)+(5*2)+(4*2)+(3*8)+(2*3)+(1*9)=101
101 % 10 = 1
So 25228-39-1 is a valid CAS Registry Number.