57856-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57856-97-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,5 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57856-97:
(7*5)+(6*7)+(5*8)+(4*5)+(3*6)+(2*9)+(1*7)=180
180 % 10 = 0
So 57856-97-0 is a valid CAS Registry Number.