100140-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100140-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,4 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 100140-71:
(8*1)+(7*0)+(6*0)+(5*1)+(4*4)+(3*0)+(2*7)+(1*1)=44
44 % 10 = 4
So 100140-71-4 is a valid CAS Registry Number.