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Cefoxitin Sodium Salt

A second-generation cephalosporin antibiotic
Catalog #: B1892
SKU-Size Size Price Qty
B1892-500 500 mg
B1892-1G 1 g
B1892-5G 5 g
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Product Details

Alternate Name (6R,7S)-3-[[(aminocarbonyl)oxy]methyl]-7-methoxy-8-oxo-7-[(2-thienylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, monosodium salt
Appearance White to of-white solid
CAS # 33564-30-6
Molecular Formula C₁₆H₁₆N₃O₇S₂ • Na
Molecular Weight 449.4
Purity ≥90%
Solubility DMSO (20 mg/ml)
SMILES COC1(C2N(C1=O)C(=C(CS2)COC(=O)N)C(=O)[O-])NC(=O)CC3=CC=CS3.[Na+]
InChi InChI=1S/C16H17N3O7S2.Na/c1-25-16(18-10(20)5-9-3-2-4-27-9)13(23)19-11(12(21)22)8(6-26-15(17)24)7-28-14(16)19;/h2-4,14H,5-7H2,1H3,(H2,17,24)(H,18,20)(H,21,22);/q;+1/p-1/t14-,16+;/m1./s1
PubChem CID 23667300
MDL Number MFCD00079042
Handling Protect from air and moisture
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Cefoxitin is a second-generation cephalosporin antibiotic that has been used to treat a wide range of gram-negative and gram-positive bacteria including anaerobes. It acts by interfering with bacterial cell wall synthesis and has also been shown to induce β-lactamase synthesis.

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