240404-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 240404-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,4,0 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 240404-90:
(8*2)+(7*4)+(6*0)+(5*4)+(4*0)+(3*4)+(2*9)+(1*0)=94
94 % 10 = 4
So 240404-90-4 is a valid CAS Registry Number.