173318-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173318-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,3,1 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 173318-22:
(8*1)+(7*7)+(6*3)+(5*3)+(4*1)+(3*8)+(2*2)+(1*2)=124
124 % 10 = 4
So 173318-22-4 is a valid CAS Registry Number.