65228-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65228-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,2,2 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 65228-63:
(7*6)+(6*5)+(5*2)+(4*2)+(3*8)+(2*6)+(1*3)=129
129 % 10 = 9
So 65228-63-9 is a valid CAS Registry Number.