1040724-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040724-49-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,7,2 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1040724-49:
(9*1)+(8*0)+(7*4)+(6*0)+(5*7)+(4*2)+(3*4)+(2*4)+(1*9)=109
109 % 10 = 9
So 1040724-49-9 is a valid CAS Registry Number.