857823-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857823-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,8,2 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857823-04:
(8*8)+(7*5)+(6*7)+(5*8)+(4*2)+(3*3)+(2*0)+(1*4)=202
202 % 10 = 2
So 857823-04-2 is a valid CAS Registry Number.