740842-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740842-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,4 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 740842-24:
(8*7)+(7*4)+(6*0)+(5*8)+(4*4)+(3*2)+(2*2)+(1*4)=154
154 % 10 = 4
So 740842-24-4 is a valid CAS Registry Number.