200499-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200499-52-1 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 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 200499-52:
(8*2)+(7*0)+(6*0)+(5*4)+(4*9)+(3*9)+(2*5)+(1*2)=111
111 % 10 = 1
So 200499-52-1 is a valid CAS Registry Number.