247172-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 247172-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,1,7 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 247172-18:
(8*2)+(7*4)+(6*7)+(5*1)+(4*7)+(3*2)+(2*1)+(1*8)=135
135 % 10 = 5
So 247172-18-5 is a valid CAS Registry Number.