2D Structure
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2D chemical structural formula diagram.

3D Structure
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This 3D model represents a theoretically simulated conformation and is for reference only.

Check the 5-Azacytidine (5-Aza, Azacitidine) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,3,5-triazin-2-one
CAS Number 320-67-2
Molecular Formula

C8H12N4O5

Molecular Weight (MW) 244.2
SMILES C1=NC(=NC(=O)N1C2C(C(C(O2)CO)O)O)N
InChIKey NMUSYJAQQFHJEW-KVTDHHQDSA-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 48 mg/mL (196.56 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
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).

Aliquotting Service

Free Aliquotting Service

Pre-aliquoted for Longevity: Solid-state aliquots offer significantly longer shelf life compared to stock solutions, ensuring maximum stability for every use.

Looking for a specific aliquot size? Reach out to your local sales representative or contact us at orders@selleckchem.com.

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