6429-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6429-78-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,2 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6429-78:
(6*6)+(5*4)+(4*2)+(3*9)+(2*7)+(1*8)=113
113 % 10 = 3
So 6429-78-3 is a valid CAS Registry Number.