247191-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 247191-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,1,9 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 247191-04:
(8*2)+(7*4)+(6*7)+(5*1)+(4*9)+(3*1)+(2*0)+(1*4)=134
134 % 10 = 4
So 247191-04-4 is a valid CAS Registry Number.