441018-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 441018-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,1,0,1 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 441018-57:
(8*4)+(7*4)+(6*1)+(5*0)+(4*1)+(3*8)+(2*5)+(1*7)=111
111 % 10 = 1
So 441018-57-1 is a valid CAS Registry Number.