403805-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403805-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,8,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 403805-89:
(8*4)+(7*0)+(6*3)+(5*8)+(4*0)+(3*5)+(2*8)+(1*9)=130
130 % 10 = 0
So 403805-89-0 is a valid CAS Registry Number.