1805112-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1805112-73-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,5,1,1 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1805112-73:
(9*1)+(8*8)+(7*0)+(6*5)+(5*1)+(4*1)+(3*2)+(2*7)+(1*3)=135
135 % 10 = 5
So 1805112-73-5 is a valid CAS Registry Number.