103128-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103128-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,2 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 103128-71:
(8*1)+(7*0)+(6*3)+(5*1)+(4*2)+(3*8)+(2*7)+(1*1)=78
78 % 10 = 8
So 103128-71-8 is a valid CAS Registry Number.