18301-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18301-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,3,0 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18301-72:
(7*1)+(6*8)+(5*3)+(4*0)+(3*1)+(2*7)+(1*2)=89
89 % 10 = 9
So 18301-72-9 is a valid CAS Registry Number.