857544-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857544-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,4 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 857544-19:
(8*8)+(7*5)+(6*7)+(5*5)+(4*4)+(3*4)+(2*1)+(1*9)=205
205 % 10 = 5
So 857544-19-5 is a valid CAS Registry Number.