167103-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167103-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,1,0 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 167103-03:
(8*1)+(7*6)+(6*7)+(5*1)+(4*0)+(3*3)+(2*0)+(1*3)=109
109 % 10 = 9
So 167103-03-9 is a valid CAS Registry Number.