25881-33-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25881-33-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,8 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25881-33:
(7*2)+(6*5)+(5*8)+(4*8)+(3*1)+(2*3)+(1*3)=128
128 % 10 = 8
So 25881-33-8 is a valid CAS Registry Number.