57063-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57063-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,6 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57063-91:
(7*5)+(6*7)+(5*0)+(4*6)+(3*3)+(2*9)+(1*1)=129
129 % 10 = 9
So 57063-91-9 is a valid CAS Registry Number.