123417-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123417-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,1 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123417-71:
(8*1)+(7*2)+(6*3)+(5*4)+(4*1)+(3*7)+(2*7)+(1*1)=100
100 % 10 = 0
So 123417-71-0 is a valid CAS Registry Number.