40055-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40055-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,5 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40055-90:
(7*4)+(6*0)+(5*0)+(4*5)+(3*5)+(2*9)+(1*0)=81
81 % 10 = 1
So 40055-90-1 is a valid CAS Registry Number.