57308-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57308-63-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,0 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57308-63:
(7*5)+(6*7)+(5*3)+(4*0)+(3*8)+(2*6)+(1*3)=131
131 % 10 = 1
So 57308-63-1 is a valid CAS Registry Number.