SMILES:

C1CC(OC1)N2C=C(C(=O)NC2=O)F
Tegafur (FT-207) Chemical Structure
Chemical Structure
Check the Tegafur (FT-207) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 5-fluoro-1-(oxolan-2-yl)pyrimidine-2,4-dione
CAS Number 17902-23-7
Molecular Formula

C8H9FN2O3

Molecular Weight (MW) 200.17
SMILES C1CC(OC1)N2C=C(C(=O)NC2=O)F
InChIKey WFWLQNSHRPWKFK-UHFFFAOYSA-N

How to Prepare Stock Solution?

Concentration Volume Mass
🧮 Molarity Calculator

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 40 mg/mL (199.83 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 8 mg/mL
Ethanol 7 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.