64809-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64809-53-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,0 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64809-53:
(7*6)+(6*4)+(5*8)+(4*0)+(3*9)+(2*5)+(1*3)=146
146 % 10 = 6
So 64809-53-6 is a valid CAS Registry Number.