6780-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6780-73-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,8 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6780-73:
(6*6)+(5*7)+(4*8)+(3*0)+(2*7)+(1*3)=120
120 % 10 = 0
So 6780-73-0 is a valid CAS Registry Number.