1440957-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1440957-28-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,9,5 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1440957-28:
(9*1)+(8*4)+(7*4)+(6*0)+(5*9)+(4*5)+(3*7)+(2*2)+(1*8)=167
167 % 10 = 7
So 1440957-28-7 is a valid CAS Registry Number.