77255-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77255-84-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,5 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77255-84:
(7*7)+(6*7)+(5*2)+(4*5)+(3*5)+(2*8)+(1*4)=156
156 % 10 = 6
So 77255-84-6 is a valid CAS Registry Number.