857728-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857728-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,2 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 857728-49:
(8*8)+(7*5)+(6*7)+(5*7)+(4*2)+(3*8)+(2*4)+(1*9)=225
225 % 10 = 5
So 857728-49-5 is a valid CAS Registry Number.