405278-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 405278-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,2,7 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 405278-90:
(8*4)+(7*0)+(6*5)+(5*2)+(4*7)+(3*8)+(2*9)+(1*0)=142
142 % 10 = 2
So 405278-90-2 is a valid CAS Registry Number.