900449-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900449-97-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,4,4 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 900449-97:
(8*9)+(7*0)+(6*0)+(5*4)+(4*4)+(3*9)+(2*9)+(1*7)=160
160 % 10 = 0
So 900449-97-0 is a valid CAS Registry Number.