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CAS RN: 118443-89-3 | Product Number: C3695

Cefquinome Sulfate

Purity: >98.0%(T)(HPLC)
  • 1-[[(6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-5,6,7,8-tetrahydroquinolin-1-ium Hydrogen Sulfate
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Product Number C3695
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__2__3H__2__6N__6O__9S__3 = 626.67  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic,Heat Sensitive
CAS RN 118443-89-3
MDL Number


Appearance White to Light yellow powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Properties (reference)
Melting Point 205 °C
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Transport Information:
HS Number 2941.90.3000
Cefquinome sulfate: A Fourth-Generation Cephalosporin with High Cellular Penetration and a High Stability against beta-Lactamases

Cefquinome sulfate (HR 111V) is a fourth-generation cephalosporin, which has been used for veterinary antibiotic. Cefquinome acts by inhibition of cell wall synthesis, and shows potent bacteriostatic antibacterial activity against a broad spectrum of bacterial species, such as Staphylococcus aureus, streptococci, Pseudomonas aeruginosa, and members of the family Enterobacteriaceae. Cefquinome is also active against any strains of methicillin-resistant staphylococci aureus (MRSA) and enterococci, but in vitro activity against gram-negative anaerobes is very limited. Cefquinome is susceptible to hydrolysis under basic condition, which limiting its employment efficacies to some extent. However, as a fourth generation cephalosporin, it combines high cellular penetration and a high stability against beta-lactamases. (The product is for research purpose only.)


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