740810-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740810-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,1 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 740810-54:
(8*7)+(7*4)+(6*0)+(5*8)+(4*1)+(3*0)+(2*5)+(1*4)=142
142 % 10 = 2
So 740810-54-2 is a valid CAS Registry Number.