117042-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117042-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,0,4 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117042-54:
(8*1)+(7*1)+(6*7)+(5*0)+(4*4)+(3*2)+(2*5)+(1*4)=93
93 % 10 = 3
So 117042-54-3 is a valid CAS Registry Number.