857559-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857559-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,5 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 857559-56:
(8*8)+(7*5)+(6*7)+(5*5)+(4*5)+(3*9)+(2*5)+(1*6)=229
229 % 10 = 9
So 857559-56-9 is a valid CAS Registry Number.
857559-56-9Relevant academic research and scientific papers
ANTIBACTERIAL COMPOUNDS
-
Page/Page column 89, (2013/04/24)
The present Invention relates to cephalosporin antibacterial compounds of Formula (!): corresponding pharmaceutically acceptable salts thereof, corresponding pharmaceutical compositions, compound preparation and treatment methods for bacterial infections, especially those caused by gram-negative bacteria.