CAS No. 58-96-8

Batch: Purity:99.99
Uridine Chemical Structure
Chemical Structure
Check the Uridine product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
CAS Number 58-96-8
Molecular Formula

C9H12N2O6

Molecular Weight (MW) 244.2
SMILES C1=CN(C(=O)NC1=O)C2C(C(C(O2)CO)O)O
InChIKey DRTQHJPVMGBUCF-XVFCMESISA-N

Ordering Information

Biological Activity

Uridine is an endogenous pyrimidine nucleoside that plays a critical role in RNA synthesis and pyrimidine nucleotide metabolism. It acts as an essential precursor for uridine triphosphate (UTP) and uridine diphosphate (UDP) formation via the pyrimidine salvage pathway, maintaining intracellular nucleotide homeostasis. Downstream, uridine supports membrane phospholipid biosynthesis and cellular energy metabolism through conversion into functional nucleotide derivatives. [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 49 mg/mL (200.65 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 49 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).

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