117746-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117746-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,4 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117746-80:
(8*1)+(7*1)+(6*7)+(5*7)+(4*4)+(3*6)+(2*8)+(1*0)=142
142 % 10 = 2
So 117746-80-2 is a valid CAS Registry Number.