64319-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64319-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,3,1 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 64319-69:
(7*6)+(6*4)+(5*3)+(4*1)+(3*9)+(2*6)+(1*9)=133
133 % 10 = 3
So 64319-69-3 is a valid CAS Registry Number.