1073544-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1073544-84-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,3,5,4 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1073544-84:
(9*1)+(8*0)+(7*7)+(6*3)+(5*5)+(4*4)+(3*4)+(2*8)+(1*4)=149
149 % 10 = 9
So 1073544-84-9 is a valid CAS Registry Number.