25222-35-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25222-35-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,2 and 2 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25222-35:
(7*2)+(6*5)+(5*2)+(4*2)+(3*2)+(2*3)+(1*5)=79
79 % 10 = 9
So 25222-35-9 is a valid CAS Registry Number.