1805469-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1805469-84-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,5,4,6 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1805469-84:
(9*1)+(8*8)+(7*0)+(6*5)+(5*4)+(4*6)+(3*9)+(2*8)+(1*4)=194
194 % 10 = 4
So 1805469-84-4 is a valid CAS Registry Number.