57857-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57857-63-3 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 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57857-63:
(7*5)+(6*7)+(5*8)+(4*5)+(3*7)+(2*6)+(1*3)=173
173 % 10 = 3
So 57857-63-3 is a valid CAS Registry Number.