247219-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 247219-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,2,1 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 247219-81:
(8*2)+(7*4)+(6*7)+(5*2)+(4*1)+(3*9)+(2*8)+(1*1)=144
144 % 10 = 4
So 247219-81-4 is a valid CAS Registry Number.