1815618-14-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1815618-14-4 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, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1815618-14:
(9*1)+(8*8)+(7*1)+(6*5)+(5*6)+(4*1)+(3*8)+(2*1)+(1*4)=174
174 % 10 = 4
So 1815618-14-4 is a valid CAS Registry Number.