200343-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200343-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,3,4 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 200343-79:
(8*2)+(7*0)+(6*0)+(5*3)+(4*4)+(3*3)+(2*7)+(1*9)=79
79 % 10 = 9
So 200343-79-9 is a valid CAS Registry Number.