1040308-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040308-56-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,3,0 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1040308-56:
(9*1)+(8*0)+(7*4)+(6*0)+(5*3)+(4*0)+(3*8)+(2*5)+(1*6)=92
92 % 10 = 2
So 1040308-56-2 is a valid CAS Registry Number.