40906-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40906-68-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,0 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40906-68:
(7*4)+(6*0)+(5*9)+(4*0)+(3*6)+(2*6)+(1*8)=111
111 % 10 = 1
So 40906-68-1 is a valid CAS Registry Number.