71103-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71103-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,0 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71103-92:
(7*7)+(6*1)+(5*1)+(4*0)+(3*3)+(2*9)+(1*2)=89
89 % 10 = 9
So 71103-92-9 is a valid CAS Registry Number.