1440545-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1440545-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,5,4 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1440545-57:
(9*1)+(8*4)+(7*4)+(6*0)+(5*5)+(4*4)+(3*5)+(2*5)+(1*7)=142
142 % 10 = 2
So 1440545-57-2 is a valid CAS Registry Number.