167103-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167103-71-1 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, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 167103-71:
(8*1)+(7*6)+(6*7)+(5*1)+(4*0)+(3*3)+(2*7)+(1*1)=121
121 % 10 = 1
So 167103-71-1 is a valid CAS Registry Number.