CAS No. 1190307-88-0

Batch: Purity:99.92
Sofosbuvir Chemical Structure
Chemical Structure
Check the Sofosbuvir product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name propan-2-yl (2S)-2-[[[(2R,3R,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-4-fluoro-3-hydroxy-4-methyloxolan-2-yl]methoxy-phenoxyphosphoryl]amino]propanoate
CAS Number 1190307-88-0
Molecular Formula

C22H29FN3O9P

Molecular Weight (MW) 529.45
SMILES CC(C)OC(=O)C(C)NP(=O)(OCC1C(C(C(O1)N2C=CC(=O)NC2=O)(C)F)O)OC3=CC=CC=C3
InChIKey TTZHDVOVKQGIBA-IQWMDFIBSA-N

Ordering Information

Biological Activity

Sofosbuvir (PSI-7977) is a nucleotide prodrug and inhibitor of the hepatitis C virus (HCV) NS5B RNA-dependent RNA polymerase. Intracellularly, it is converted to its active triphosphate metabolite, which incorporates into viral RNA by the NS5B polymerase to cause chain termination. This inhibition blocks viral RNA replication across multiple HCV genotypes without displaying significant host cell cytotoxicity. [1][2]

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 (188.87 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 100 mg/mL
Water 11 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.