1171244-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171244-71-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,2,4 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1171244-71:
(9*1)+(8*1)+(7*7)+(6*1)+(5*2)+(4*4)+(3*4)+(2*7)+(1*1)=125
125 % 10 = 5
So 1171244-71-5 is a valid CAS Registry Number.