205055-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205055-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,0,5 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 205055-80:
(8*2)+(7*0)+(6*5)+(5*0)+(4*5)+(3*5)+(2*8)+(1*0)=97
97 % 10 = 7
So 205055-80-7 is a valid CAS Registry Number.