1031703-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1031703-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,7,0 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1031703-54:
(9*1)+(8*0)+(7*3)+(6*1)+(5*7)+(4*0)+(3*3)+(2*5)+(1*4)=94
94 % 10 = 4
So 1031703-54-4 is a valid CAS Registry Number.