25409-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25409-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,4,0 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25409-32:
(7*2)+(6*5)+(5*4)+(4*0)+(3*9)+(2*3)+(1*2)=99
99 % 10 = 9
So 25409-32-9 is a valid CAS Registry Number.