117712-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117712-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,1 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117712-19:
(8*1)+(7*1)+(6*7)+(5*7)+(4*1)+(3*2)+(2*1)+(1*9)=113
113 % 10 = 3
So 117712-19-3 is a valid CAS Registry Number.