25838-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25838-88-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,3 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25838-88:
(7*2)+(6*5)+(5*8)+(4*3)+(3*8)+(2*8)+(1*8)=144
144 % 10 = 4
So 25838-88-4 is a valid CAS Registry Number.