200571-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200571-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,5,7 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 200571-11:
(8*2)+(7*0)+(6*0)+(5*5)+(4*7)+(3*1)+(2*1)+(1*1)=75
75 % 10 = 5
So 200571-11-5 is a valid CAS Registry Number.