205499-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205499-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,9 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 205499-11:
(8*2)+(7*0)+(6*5)+(5*4)+(4*9)+(3*9)+(2*1)+(1*1)=132
132 % 10 = 2
So 205499-11-2 is a valid CAS Registry Number.