1173105-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1173105-49-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,1,0 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1173105-49:
(9*1)+(8*1)+(7*7)+(6*3)+(5*1)+(4*0)+(3*5)+(2*4)+(1*9)=121
121 % 10 = 1
So 1173105-49-1 is a valid CAS Registry Number.