111761-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111761-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,7,6 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 111761-40:
(8*1)+(7*1)+(6*1)+(5*7)+(4*6)+(3*1)+(2*4)+(1*0)=91
91 % 10 = 1
So 111761-40-1 is a valid CAS Registry Number.