30168-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30168-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,1,6 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30168-05:
(7*3)+(6*0)+(5*1)+(4*6)+(3*8)+(2*0)+(1*5)=79
79 % 10 = 9
So 30168-05-9 is a valid CAS Registry Number.