Molecular Weight: 545.54 g/mol

Ceftiofur sodium Chemical Structure
Chemical Structure
Check the Ceftiofur sodium product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 100 mg/mL (183.3 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 100 mg/mL
Ethanol Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

Chemical Information

IUPAC Name sodium (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(furan-2-carbonylsulfanylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
CAS Number 104010-37-9
Molecular Formula

C19H16N5NaO7S3
Molecular Weight (MW) 545.54
SMILES [Na+].CO\N=C(/C(=O)NC1C2SCC(=C(N2C1=O)C([O-])=O)CSC(=O)C3=CC=CO3)C4=CSC(=N4)N
InChIKey RFLHUYUQCKHUKS-JUODUXDSSA-M

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Note: Technical data last updated: Sep 1, 2026.