857541-03-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857541-03-8 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 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857541-03:
(8*8)+(7*5)+(6*7)+(5*5)+(4*4)+(3*1)+(2*0)+(1*3)=188
188 % 10 = 8
So 857541-03-8 is a valid CAS Registry Number.