13057-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13057-30-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,5 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13057-30:
(7*1)+(6*3)+(5*0)+(4*5)+(3*7)+(2*3)+(1*0)=72
72 % 10 = 2
So 13057-30-2 is a valid CAS Registry Number.