1440338-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1440338-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,3,3 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1440338-75:
(9*1)+(8*4)+(7*4)+(6*0)+(5*3)+(4*3)+(3*8)+(2*7)+(1*5)=139
139 % 10 = 9
So 1440338-75-9 is a valid CAS Registry Number.