CAS No. 3366-95-8

Batch: Purity:99.89
Secnidazole  Chemical Structure
Chemical Structure
Check the Secnidazole product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 3366-95-8
Molecular Formula

C7H11N3O3

Molecular Weight (MW) 185.18
SMILES CC1=NC=C(N1CC(C)O)[N+](=O)[O-]

Ordering Information

Biological Activity

Secnidazole is a synthetic nitroimidazole anti-infective agent that targets anaerobic bacteria and protozoan parasites. Upon intracellular reduction, secnidazole generates reactive free radical intermediates that interact with bacterial DNA, leading to strand breakage, inhibition of nucleic acid synthesis, and cell death. It exhibits potent antimicrobial activity against pathogens including Atopobium vaginae and Dientamoeba fragilis, making it effective for treating bacterial vaginosis and parasitic infections. [1]

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 37 mg/mL (199.8 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 37 mg/mL
Ethanol 37 mg/mL
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).

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