117703-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117703-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,0 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117703-03:
(8*1)+(7*1)+(6*7)+(5*7)+(4*0)+(3*3)+(2*0)+(1*3)=104
104 % 10 = 4
So 117703-03-4 is a valid CAS Registry Number.