117760-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117760-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,6 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117760-61:
(8*1)+(7*1)+(6*7)+(5*7)+(4*6)+(3*0)+(2*6)+(1*1)=129
129 % 10 = 9
So 117760-61-9 is a valid CAS Registry Number.