8807-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 8807-00-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,8,0 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 8807-00:
(6*8)+(5*8)+(4*0)+(3*7)+(2*0)+(1*0)=109
109 % 10 = 9
So 8807-00-9 is a valid CAS Registry Number.