6579-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6579-43-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,7 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6579-43:
(6*6)+(5*5)+(4*7)+(3*9)+(2*4)+(1*3)=127
127 % 10 = 7
So 6579-43-7 is a valid CAS Registry Number.