64451-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64451-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,4,5 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 64451-68:
(7*6)+(6*4)+(5*4)+(4*5)+(3*1)+(2*6)+(1*8)=129
129 % 10 = 9
So 64451-68-9 is a valid CAS Registry Number.