1181707-26-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1181707-26-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,1,7,0 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1181707-26:
(9*1)+(8*1)+(7*8)+(6*1)+(5*7)+(4*0)+(3*7)+(2*2)+(1*6)=145
145 % 10 = 5
So 1181707-26-5 is a valid CAS Registry Number.