25199-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25199-42-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,1,9 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25199-42:
(7*2)+(6*5)+(5*1)+(4*9)+(3*9)+(2*4)+(1*2)=122
122 % 10 = 2
So 25199-42-2 is a valid CAS Registry Number.