409110-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409110-09-4 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 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 409110-09:
(8*4)+(7*0)+(6*9)+(5*1)+(4*1)+(3*0)+(2*0)+(1*9)=104
104 % 10 = 4
So 409110-09-4 is a valid CAS Registry Number.