647024-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 647024-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,7,0,2 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 647024-04:
(8*6)+(7*4)+(6*7)+(5*0)+(4*2)+(3*4)+(2*0)+(1*4)=142
142 % 10 = 2
So 647024-04-2 is a valid CAS Registry Number.