43057-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43057-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,0,5 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 43057-66:
(7*4)+(6*3)+(5*0)+(4*5)+(3*7)+(2*6)+(1*6)=105
105 % 10 = 5
So 43057-66-5 is a valid CAS Registry Number.