3445-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3445-69-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,4 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3445-69:
(6*3)+(5*4)+(4*4)+(3*5)+(2*6)+(1*9)=90
90 % 10 = 0
So 3445-69-0 is a valid CAS Registry Number.