107454-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107454-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,4,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 107454-81:
(8*1)+(7*0)+(6*7)+(5*4)+(4*5)+(3*4)+(2*8)+(1*1)=119
119 % 10 = 9
So 107454-81-9 is a valid CAS Registry Number.