Cefoxitin sodium salt
(40351828 | 33564-30-6)

CAS: 33564-30-6
Molecular Formula: C16H16N3NaO7S2
Molecular Weight: 449.44
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
Cefoxitin sodium salt Chemical Structure

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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 40351828
Product Name Cefoxitin sodium salt
Categories Antibiotics APIs
CAS 33564-30-6
Molecular Formula C16H16N3NaO7S2
Molecular Weight 449.44
Storage Details 2 to 8 °C
Harmonised Tariff Code 29419000

Product Specification
Water <1.0%
Specific rotation +206 ° C~+214 ° C
Conclusion This product complies with USP Standard
Heavy metals <0.002%
pH 4.2~7.0
Bacterial endotoxin <0.2EU/mg
Solubility Very soluble in water. Soluble in methanol. Sparingly soluble in DMF and acetone. Insoluble in ether and chloroform
Sterility Meets the requirement
Retest Date 2 years from previous retest
Crystallinity Meets the requirement
Appearance White to off-white, granules or powder
Manufacturing Date 18/05/2012
Assay (Anhydrous) 92.7~97.0% (As C16H16N3O7S2); 97.5~102.0% (As C16H16N3NAO7S2)
Identifcation A: The chromatogram of the assay preparation obtained as directed in the assay exhibits a major peak for cefoxitin, the retention time of which corresponds to that exhibited in the chromatogram of the standard preparation obtained as directed in the Assay. B: UV. C: It responds to tests for sodium.
Limit of Acetone <0.7%
Limit of Methanol <0.1%

Safety Information
Exclamation Mark
Signal word warning
Hazard statements
  • H317: May cause an allergic skin reaction
Precautionary statements
  • P261: Avoid breathing dust/fume/gas/mist/vapours/spray

  • P280: Wear protective gloves/protective clothing/eye protection/face protection

  • P308+313: IF exposed or concerned: Get medical advice/attention