390-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 390-08-9 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, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 390-08:
(5*3)+(4*9)+(3*0)+(2*0)+(1*8)=59
59 % 10 = 9
So 390-08-9 is a valid CAS Registry Number.