205488-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205488-09-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,8 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 205488-09:
(8*2)+(7*0)+(6*5)+(5*4)+(4*8)+(3*8)+(2*0)+(1*9)=131
131 % 10 = 1
So 205488-09-1 is a valid CAS Registry Number.