65964-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65964-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,9,6 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 65964-43:
(7*6)+(6*5)+(5*9)+(4*6)+(3*4)+(2*4)+(1*3)=164
164 % 10 = 4
So 65964-43-4 is a valid CAS Registry Number.