200355-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200355-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,3,5 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 200355-11:
(8*2)+(7*0)+(6*0)+(5*3)+(4*5)+(3*5)+(2*1)+(1*1)=69
69 % 10 = 9
So 200355-11-9 is a valid CAS Registry Number.