9008-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 9008-99-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 9008-99:
(6*9)+(5*0)+(4*0)+(3*8)+(2*9)+(1*9)=105
105 % 10 = 5
So 9008-99-5 is a valid CAS Registry Number.