1240304-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240304-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,3,0 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1240304-75:
(9*1)+(8*2)+(7*4)+(6*0)+(5*3)+(4*0)+(3*4)+(2*7)+(1*5)=99
99 % 10 = 9
So 1240304-75-9 is a valid CAS Registry Number.