517874-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 517874-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,7,8,7 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 517874-18:
(8*5)+(7*1)+(6*7)+(5*8)+(4*7)+(3*4)+(2*1)+(1*8)=179
179 % 10 = 9
So 517874-18-9 is a valid CAS Registry Number.