1815618-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1815618-05-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,1,5,6,1 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1815618-05:
(9*1)+(8*8)+(7*1)+(6*5)+(5*6)+(4*1)+(3*8)+(2*0)+(1*5)=173
173 % 10 = 3
So 1815618-05-3 is a valid CAS Registry Number.