200490-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200490-80-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,4,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 200490-80:
(8*2)+(7*0)+(6*0)+(5*4)+(4*9)+(3*0)+(2*8)+(1*0)=88
88 % 10 = 8
So 200490-80-8 is a valid CAS Registry Number.