1440972-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1440972-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,9,7 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1440972-81:
(9*1)+(8*4)+(7*4)+(6*0)+(5*9)+(4*7)+(3*2)+(2*8)+(1*1)=165
165 % 10 = 5
So 1440972-81-5 is a valid CAS Registry Number.