1306318-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1306318-73-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,6,3,1 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1306318-73:
(9*1)+(8*3)+(7*0)+(6*6)+(5*3)+(4*1)+(3*8)+(2*7)+(1*3)=129
129 % 10 = 9
So 1306318-73-9 is a valid CAS Registry Number.