200417-49-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200417-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,4,1 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 200417-49:
(8*2)+(7*0)+(6*0)+(5*4)+(4*1)+(3*7)+(2*4)+(1*9)=78
78 % 10 = 8
So 200417-49-8 is a valid CAS Registry Number.