1440426-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1440426-67-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,4,2 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1440426-67:
(9*1)+(8*4)+(7*4)+(6*0)+(5*4)+(4*2)+(3*6)+(2*6)+(1*7)=134
134 % 10 = 4
So 1440426-67-4 is a valid CAS Registry Number.