548774-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 548774-58-9 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 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 548774-58:
(8*5)+(7*4)+(6*8)+(5*7)+(4*7)+(3*4)+(2*5)+(1*8)=209
209 % 10 = 9
So 548774-58-9 is a valid CAS Registry Number.