25306-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25306-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,3,0 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25306-52:
(7*2)+(6*5)+(5*3)+(4*0)+(3*6)+(2*5)+(1*2)=89
89 % 10 = 9
So 25306-52-9 is a valid CAS Registry Number.