200211-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200211-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,2,1 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 200211-50:
(8*2)+(7*0)+(6*0)+(5*2)+(4*1)+(3*1)+(2*5)+(1*0)=43
43 % 10 = 3
So 200211-50-3 is a valid CAS Registry Number.