130818-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130818-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,1 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 130818-73:
(8*1)+(7*3)+(6*0)+(5*8)+(4*1)+(3*8)+(2*7)+(1*3)=114
114 % 10 = 4
So 130818-73-4 is a valid CAS Registry Number.