25509-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25509-01-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,0 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25509-01:
(7*2)+(6*5)+(5*5)+(4*0)+(3*9)+(2*0)+(1*1)=97
97 % 10 = 7
So 25509-01-7 is a valid CAS Registry Number.