205810-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205810-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,8,1 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 205810-05:
(8*2)+(7*0)+(6*5)+(5*8)+(4*1)+(3*0)+(2*0)+(1*5)=95
95 % 10 = 5
So 205810-05-5 is a valid CAS Registry Number.