857005-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857005-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,0,0 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857005-80:
(8*8)+(7*5)+(6*7)+(5*0)+(4*0)+(3*5)+(2*8)+(1*0)=172
172 % 10 = 2
So 857005-80-2 is a valid CAS Registry Number.