390-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 390-69-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,9 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 390-69:
(5*3)+(4*9)+(3*0)+(2*6)+(1*9)=72
72 % 10 = 2
So 390-69-2 is a valid CAS Registry Number.