205386-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205386-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,3,8 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 205386-16:
(8*2)+(7*0)+(6*5)+(5*3)+(4*8)+(3*6)+(2*1)+(1*6)=119
119 % 10 = 9
So 205386-16-9 is a valid CAS Registry Number.