8008-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 8008-89-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 8008-89:
(6*8)+(5*0)+(4*0)+(3*8)+(2*8)+(1*9)=97
97 % 10 = 7
So 8008-89-7 is a valid CAS Registry Number.