25417-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25417-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,4,1 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 25417-80:
(7*2)+(6*5)+(5*4)+(4*1)+(3*7)+(2*8)+(1*0)=105
105 % 10 = 5
So 25417-80-5 is a valid CAS Registry Number.