218913-73-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 218913-73-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,1 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 218913-73:
(8*2)+(7*1)+(6*8)+(5*9)+(4*1)+(3*3)+(2*7)+(1*3)=146
146 % 10 = 6
So 218913-73-6 is a valid CAS Registry Number.