548775-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 548775-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,8,7,7 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 548775-84:
(8*5)+(7*4)+(6*8)+(5*7)+(4*7)+(3*5)+(2*8)+(1*4)=214
214 % 10 = 4
So 548775-84-4 is a valid CAS Registry Number.