Florfenicol CAS NO. 73231-34-2

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Florfenicol CAS NO. 73231-34-2

Florfenicolm price

Florfenicol CAS NO. 73231-34-2

Fluide, also known as fluomycin, is currently a commonly used veterinary antibiotic with, a wide antibacterial spectrum, strong antibacterial effect, low minimum antibacterial concentration (MIC), and antibacterial effect is chloramphenicol, methfoomycin 15-20 times, 60 minutes after feed administration, drug concentration in the tissue can reach the peak, can quickly control the condition, high safety, non-toxic, no residue, no potential of aplastic anemia, suitable for large-scale farms.

  • Item NO.:

    CAS NO.73231-34-2
  • Color:

    White to Off-White powder
  • Package:

    25 Kg/Drum


Florfenicol is a white or off-white crystalline powder that is odourless.  It is highly soluble in dimethylformamide, soluble in methanol, slightly soluble in glacial acetic acid, and only very slightly soluble in water or trichloromethane.








White or almost white crystalline powder




very soluble in N,N-Dimethylformamide, soluble in methanol, sparingly soluble in glacial acetic acid, very slightly  soluble in chloroform, Practically insoluble in water


Melting Point

      152.0℃ ~ 156.0℃


Optical rotation

       - 16° ~ - 19°




The retention times of the major peak of the sample solution should correspond to that of the standard solution  as obtained in the assay



The Infrared absorption spectrum obtained from the  test  sample is consistent with that from reference  standard













Related substances

Peak area of single impurity peak should be NMT the reference solution’s main peak 0.5 times( 0.5%)


Peak area of total impurities shoule be NMT the peak area of reference solution 2 times (2.0%)





Residue on Ignition

          ≤0. 1%


Heavy Metals





   C12H14CL2FNO4S(calculated on the anhydrous basis)





Flufenicol  application

Florfenicol can strongly interfere with bacterial protein synthesis, has rapid absorption, has a wide distribution in the body, long half-life, has no side effects, is not easy to produce drug resistance, has no residue, and no cross-resistance. Flufenicol can be used in the treatment of systemic infection in livestock and aquatic animals and has significant effects on respiratory infection and intestinal infection. Poultry: mixed infections caused by Escherichia coli, salmonellosis, infectious rhinitis, chronic respiratory disease, duck fever, and other sensitive bacteria. Livestock: pigs, cattle, sheep, and other infectious pleurisy, asthma, streptococcal disease, Escherichia disease, salmonella disease, infectious pleural pneumonia, asthma disease, piglets paratyphoid fever, yellow dysentery, edema disease, atrophic rhinitis, pig lung disease, piglet red dysentery, matchless syndrome, and other mixed infections. Crab: appendage ulcer disease, yellow gill, rotten gill, red leg, screen inflammatory disease red body syndrome, etc. Turtle: redneck disease, furuncle disease, perforation disease, rot, enteritis, mumps bacterial sepsis, etc. Frogs: cataract syndrome, ascites disease, septicemia, enteritis, etc. Fish: enteritis, ascites disease, vibrio disease, Edwardlosis, etc. Eel: de viscosity sepsis (unique efficacy), Edwardellosis, scab, enteritis, etc.



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