140401-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140401-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,4,0 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 140401-71:
(8*1)+(7*4)+(6*0)+(5*4)+(4*0)+(3*1)+(2*7)+(1*1)=74
74 % 10 = 4
So 140401-71-4 is a valid CAS Registry Number.