57730-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57730-32-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,3 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57730-32:
(7*5)+(6*7)+(5*7)+(4*3)+(3*0)+(2*3)+(1*2)=132
132 % 10 = 2
So 57730-32-2 is a valid CAS Registry Number.