CAS No. 157-03-9

Batch: Purity:99.91
6-Diazo-5-oxo-L-norleucine (Diazooxonorleucine) Chemical Structure
Chemical Structure
Check the 6-Diazo-5-oxo-L-norleucine (Diazooxonorleucine) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (2S)-2-amino-6-diazo-5-oxohexanoic acid
CAS Number 157-03-9
Molecular Formula

C6H9N3O3

Molecular Weight (MW) 171.15
InChIKey YCWQAMGASJSUIP-YFKPBYRVSA-N

Ordering Information

Biological Activity

6-Diazo-5-oxo-L-norleucine (DON) is a glutamine antagonist and glutaminase inhibitor originally isolated from Streptomyces. By targeting glutamine-utilizing enzymes and disrupting glutamine metabolic pathways, DON suppresses downstream nucleotide biosynthesis, cellular energy production, and cell proliferation. Furthermore, this compound exhibits broad biological activities, including antibacterial, antiviral, and anticancer effects, serving as a key tool for investigating cancer metabolism.[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
Water 34 mg/mL
DMSO Insoluble
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)
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.