8030-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 8030-25-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,3 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 8030-25:
(6*8)+(5*0)+(4*3)+(3*0)+(2*2)+(1*5)=69
69 % 10 = 9
So 8030-25-9 is a valid CAS Registry Number.