40180-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40180-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,8 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40180-54:
(7*4)+(6*0)+(5*1)+(4*8)+(3*0)+(2*5)+(1*4)=79
79 % 10 = 9
So 40180-54-9 is a valid CAS Registry Number.