103298-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103298-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,9 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103298-57:
(8*1)+(7*0)+(6*3)+(5*2)+(4*9)+(3*8)+(2*5)+(1*7)=113
113 % 10 = 3
So 103298-57-3 is a valid CAS Registry Number.