140681-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140681-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,8 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 140681-44:
(8*1)+(7*4)+(6*0)+(5*6)+(4*8)+(3*1)+(2*4)+(1*4)=113
113 % 10 = 3
So 140681-44-3 is a valid CAS Registry Number.