82057-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82057-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,0,5 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82057-57:
(7*8)+(6*2)+(5*0)+(4*5)+(3*7)+(2*5)+(1*7)=126
126 % 10 = 6
So 82057-57-6 is a valid CAS Registry Number.