1171149-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171149-12-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,1,4 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1171149-12:
(9*1)+(8*1)+(7*7)+(6*1)+(5*1)+(4*4)+(3*9)+(2*1)+(1*2)=124
124 % 10 = 4
So 1171149-12-4 is a valid CAS Registry Number.