25911-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25911-42-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,9,1 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25911-42:
(7*2)+(6*5)+(5*9)+(4*1)+(3*1)+(2*4)+(1*2)=106
106 % 10 = 6
So 25911-42-6 is a valid CAS Registry Number.