409111-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409111-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,1,1 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 409111-49:
(8*4)+(7*0)+(6*9)+(5*1)+(4*1)+(3*1)+(2*4)+(1*9)=115
115 % 10 = 5
So 409111-49-5 is a valid CAS Registry Number.