247191-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 247191-05-5 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 247191-05:
(8*2)+(7*4)+(6*7)+(5*1)+(4*9)+(3*1)+(2*0)+(1*5)=135
135 % 10 = 5
So 247191-05-5 is a valid CAS Registry Number.